Zone 197, Master Map +06°00' Normal View Zone Master, Normal View, 10 deg FOV θ1 θ2 e c +02°00' δ +04°00' σ η +00°00' ν d Aquila Scu λ η 20h 00m 19h 52m 19h 44m 19h 36m 19h 28m 19h 20m 19h 12m 19h 04m -04°00' f -02°00' ι Zone 197, Map 1 Normal Image +05°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. Schjellerup 21 NGC 6756 PK 38- 2.1 +04°00' NGC 6755 STF 2498 Baillaud 2506 +03°00' STF 2531 Delta Aql δ STF 2532 Baillaud 1973 STF 2476 PK 36- 1.1 H VI 47 H VI 48 +02°00' STF 2513 NGC 6749 NGC 6760 23 Aql Baillaud 1202 ν 19h 30m Nu 1 Aql 19h 25m +01°00' NGC 6790 Schjellerup 19 24 Aql 19h 20m 19h 15m 19h 10m 19h 05m 19h 00m Zone 197, Map 1 Mirror Image Schjellerup 21 +05°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. PK 38- 2.1 Baillaud 2506 +04°00' NGC 6755 STF 2498 STF 2531 Delta Aql δ +03°00' NGC 6756 STF 2476 PK 36- 1.1 H VI 47 NGC 6749 +02°00' STF 2513 Baillaud 1973 H VI 48 NGC 6760 Schjellerup 19 +01°00' NGC 6790 23 Aql Baillaud 1202 ν 24 Aql Nu 1 Aql 19h 00m 19h 05m 19h 10m 19h 15m 19h 20m 19h 25m 19h 30m Zone 197, Map 2 Normal Image +00°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. NGC 6741 STF 2533 h874 h5508 -01°00' STF 2434 Baillaud 595 STF 2447 Baillaud 594 -02°00' NGC 6778 -03°00' NGC 6772 Schjellerup 20 15 Aql -04°00' A 97 Jonckheere 1639 A 103 STF 2477 rej STF 2501 λ 19h 30m 19h 25m 19h 20m 19h 15m 19h 10m Lambda Aql 19h 05m 19h 00m Zone 197, Map 2 Mirror Image Nu 1 Aql +00°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. h5508 -01°00' h874 NGC 6741 STF 2434 Baillaud 595 STF 2447 Baillaud 594 -02°00' NGC 6778 -03°00' NGC 6772 -04°00' A 97 Schjellerup 20 15 Aql Jonckheere 1639 A 103 STF 2477 rej STF 2501 Lambda Aqlλ 19h 00m 19h 05m 19h 10m 19h 15m 19h 20m 19h 25m 19h 30m Zone 197, Map 3 Normal Image Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. STF 2566 rej +05°00' Baillaud 2956 Howe 50 Baillaud 2946 Baillaud 2949 Bur 977 +04°00' Bur 1301 OS 381 rej Bur 468 STF 2587 h2878 h2895 Jonckheere 2567 STF 2601 +02°00' STF 2532 +03°00' Howe 49 Hertzsprung 14 η +01°00' h895 Engelmann 67 h2892 STF 2589 Bur 249 A 1188 20h 00m 19h 55m 19h 50m 19h 45m 19h 40m 19h 35m 19h 30m Zone 197, Map 3 Mirror Image Baillaud 2956 STF 2566 rej Howe 50 +05°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. Baillaud 2949 Bur 468 Bur 1301 OS 381 rej Bur 977 +04°00' Baillaud 2946 STF 2587 h2878 h2895 STF 2532 STF 2532 Hertzsprung 14 STF 2601 Engelmann 67 +01°00' h895 +02°00' +03°00' Howe 49 η STF 2589 h2892 Bur 249 A 1188 19h 30m 19h 35m 19h 40m 19h 45m 19h 50m 19h 55m 20h 00m Zone 197, Map 4 Normal Image +00°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. A 1188 -01°00' STF 2533 ι h2882 -02°00' Baillaud 605 AC 12 STF 2535 -03°00' h899 -04°00' A 105 STF 2582 STF 2537 20h 00m 19h 55m 19h 50m 19h 45m 19h 40m 19h 35m 19h 30m Zone 197, Map 4 Mirror Image +00°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. A 1188 -01°00' STF 2533 ι STF 2535 h899 -04°00' A 105 -03°00' AC 12 -02°00' Baillaud 605 h2882 STF 2582 STF 2537 19h 30m 19h 35m 19h 40m 19h 45m 19h 50m 19h 55m 20h 00m Zone 197 2 Reference Stars, 55 Double Stars, 6 Planetary Nebulae 2 Open Clusters, 2 Globular Clusters Flamsteed H VI 48 .................................................. 8 h2878 ................................................... 35 h2882 ................................................... 36 h2892 ................................................... 30 h2895 ................................................... 25 h5508 ................................................... 20 h874 ..................................................... 21 h895 ..................................................... 30 h899 ..................................................... 37 Hertzsprung 14..................................... 32 Howe 49............................................... 28 15 Aql .................................................. 15 23 Aql .................................................... 9 24 Aql .................................................... 6 A A 103 ................................................... 16 A 105 ................................................... 38 A 1188 ................................................. 27 A 97 ..................................................... 16 AC 12................................................... 39 B J Baillaud 1202......................................... 4 Baillaud 1973......................................... 5 Baillaud 2946....................................... 34 Baillaud 2949....................................... 25 Baillaud 594......................................... 20 Baillaud 595......................................... 19 Baillaud 605......................................... 37 Bur 1301 .............................................. 26 Bur 249 ................................................ 28 Bur 468 ................................................ 31 Bur 977 ................................................ 29 Jonckheere 1639 .................................. 17 L Lambda Aql ......................................... 15 N E NGC 6741 ............................................ 22 NGC 6749 ............................................ 13 NGC 6755 ............................................ 12 NGC 6756 ............................................ 11 NGC 6760 ............................................ 13 NGC 6772 ............................................ 23 NGC 6778 ............................................ 22 NGC 6790 ............................................ 12 Nu 1 Aql................................................. 7 Engelmann 67 ...................................... 31 O H OS 381 rej ............................................ 34 D Delta Aql................................................ 3 H VI 47 .................................................. 6 -1- Zone 197 P STF 2501.............................................. 19 STF 2513................................................ 9 STF 2531................................................ 5 STF 2532.............................................. 24 STF 2533.............................................. 35 STF 2535.............................................. 37 STF 2537.............................................. 36 STF 2566 rej ........................................ 24 STF 2582.............................................. 39 STF 2587.............................................. 33 STF 2589.............................................. 33 STF 2601.............................................. 27 PK 36- 1.1............................................ 14 PK 38- 2.1............................................ 14 S Schjellerup 19 ........................................ 3 Schjellerup 20 ...................................... 18 Schjellerup 21 ........................................ 7 STF 2434 ............................................. 17 STF 2447 ............................................. 15 STF 2476 ............................................. 10 STF 2477 rej ........................................ 21 STF 2498 ............................................... 4 -2- Zone 197 Zone 197, Map 1 Reference Star Delta Aql (30 Aql; Bpm 190; HD 182640; SAO 124603) Position: 1926+0307 Mag : 3.36 Spectrum : F0 IV Color : W Assumed distance: 50 light years Assumed luminosity (suns): 8.53 Notes: 1879: 101.3 @ 272. 2 measurements. Star A is a spectroscopic binary with an orbital period of 0.1571 days and is an infrared source and a Delta Sct variable. There is also an invisible companion with a period of 3.42 years (detected by wobbles in the PM). Double Stars Easy Schjellerup 19 Rating: 3 E HD 179316; SAO 124375 Position: 1912+0055 A B Magnitude 8.63 10.28 Separation PA — — 48.0 254 - Notes: 1904: 50.4 @ 257. 8 measurements. Observations: C8 at 104x. -3- Year — 1991 Spectra B8 Colors bW Y Zone 197 Baillaud 1202 Rating: 3 E HD 181387; SAO 124517 Position: 1920+0056 A B Magnitude 9.50 10.00 Separation PA — — 8.2 = 15 - Year — 1957 Spectra G0 Colors Y W Notes: 1895: 8.2 @ 21. 7 measurements. Observations: C11 at 115x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 18.4 inches. Separation: AB = 7.67 miles. Distance (LY): 600 Total luminosity (Suns): 7.28 STF 2498 Rating: 3 E ADS 12322; HD 181386; SAO 124516 Position: 1920+0403 A B C Magnitude 8.10 8.90 9.50 Separation — 12.0 171.7 +!! PA — 66 101 - Year — 1958 1958 Spectra G5 II F8 Colors W O W Notes: AB 1827: 12.2 @ 67. 35 measurements. The stars share a small common proper motion. AC 1910: 134.2 @ 113. 3 measurements. Observations: C8 at 83x. Webb: Y, V. -4- Zone 197 Scale model (in which the Sun is the size of a baseball): Diameter: A = 13.5 feet; C = 16.3 inches. Separation: AB = 29.0 miles; AC = 415 miles. Distance (LY): 1,550 Total luminosity (Suns): 152 STF 2531 Rating: 3 E ADS 12508; HD 183442; SAO 124685 Position: 1930+0305 A B Magnitude 8.10 10.15 Separation PA — — 31.8 + 28 - Year — 1998 Spectra B7 V Colors bW dB Notes: 1830: 31.4 @ 30. 19 measurements. Aitken found a 13.00m companion to A in 1910, at 2.5 @ 241. 6 measurements. Observations: C8 at 83x. Webb: A pretty pair, very unequal. Rich field. Scale model (in which the Sun is the size of a baseball): Diameter: A = 10.8 inches. Separation: AB = 58.1 miles. Distance (LY): 1,170 Total luminosity (Suns): 109 Baillaud 1973 Rating: 4 E HD 176849; SAO 124177 Position: 1903+0230 A B Magnitude 9.45 11.09 Separation PA — — 10.9 + 189 - Notes: 1909: 10.6 @ 190. 5 measurements. -5- Year — 1991 Spectra A2 Colors W W Zone 197 The stars share a small common proper motion although Hipparcos gives different distances (251 and 56 light years). Observations: C8 at 104x. Two bright stars (both 7m) lie about 12 min E of this pair and are a good pair of skymarks to work from. H VI 47 Rating: 4 E HD 182519; SAO 124596 Position: 1925+0150 A B Magnitude 7.99 8.86 Separation PA — — 96.7 +! 95 = Year — 1991 Spectra B5 K0 Colors bW yW Notes: 1904: 86.7 @ 95. 16 measurements. The stars share common proper motion. Observations: C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 2.72 inches; B = 25.6 inches. Separation: AB = 125 miles. Distance (LY): 830 Total luminosity (Suns): 40 24 Aql SI 40; HD 181053; SAO 124492 Rating: 5 E Position: 1919+0020 A B Magnitude 6.50 6.70 Separation PA — — 423 136 Notes: The stars show similar proper motions. -6- Year — 1986 Spectra K0 III Colors Y yW Zone 197 Observations: C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 46.2 inches. Separation: AB = 322 miles. Distance (LY): 488 Total luminosity (Suns): 86 Nu 1 Aql 32 Aql; HD 182835; SAO 124628 Rating: 5 E Position: 1926+0020 A B Magnitude 4.63 9.44 Separation PA — — 201 288 Year — 1912 Spectra F2 Ib Colors W B Notes: The primary is an infra-red source. Observations: C8 at 104x. I doubt if this pair is truly at 11,600 light years distance-- if it were, the components would be at least 11.3 light years apart. Either this pair is optical, or there is an error in the parallax for A. Scale model (in which the Sun is the size of a baseball): Diameter: A = 16.3 feet. Separation: AB = 3,639 miles. Distance (LY): 11,600 Total luminosity (Suns): 161,500 Schjellerup 21 Rating: 5 E HD 182639; SAO 124606 Position: 1926+0450 A B Magnitude 8.52 10.92 Separation PA — — 41.8 + 214 + -7- Year — 1991 Spectra A0 Colors W B Zone 197 Notes: 1899: 40.9 @ 213. 9 measurements. The stars have different proper motions. Hipparcos/Tycho data show different distances for these stars; they may be optical. Observations: C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 6.32 inches. Separation: AB = 163 miles. Distance (LY): 2,500 Total luminosity (Suns): 222 H VI 48 Rating: 5 E HD 182811; SAO 124625 Position: 1926+0149 A B Magnitude 8.10 10.60 Separation PA — — 153.5 174 Year — 1904 Spectra K2 Notes: 1 measurement. Observations: C8 at 104x. It lies at the NE end of a three-star chain of 8.5m stars. Scale model (in which the Sun is the size of a baseball): Diameter: A = 27.0 inches. Separation: AB = 44.1 miles. Distance (LY): 184 Total luminosity (Suns): 1.7 -8- Colors Y W? Zone 197 23 Aql STF 2492; ADS 12289; HD 180972 Rating: 4 M Position: 1919+0105 A B C Magnitude 5.09 8.55 13.50 Separation — 3.0 11.3 - PA — 066 + Year — 1994 1958 Spectra G9 III Colors Y W No Notes: AB 1830: 3.4 @ 11. 40 measurements. AC 1905 (Burnham): 12.5 @ 61. 5 measurements. Observations: C8 at 280x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 2.85 inches. Separation: AB = 1.78 miles; AC = 6.71 miles. Distance (LY): 381 Total luminosity (Suns): 108 Moderate STF 2513 Rating: 4 M ADS 12414; SAO 124601 Position: 1925+0227 A B Magnitude 8.61 9.61 Separation PA — — 2.0 328 + Notes: 1829: 2.2 @ 313. 61 measurements. Observations: C8 at 280x. Webb: yW. Moderate field. -9- Year — 1997 Spectra F8 Colors Y Y Zone 197 Scale model (in which the Sun is the size of a baseball): Diameter: A = 15.5 inches. Separation: AB = 1.00 mile. Distance (LY): 308 Total luminosity (Suns): 7 Difficult STF 2476 Bur 1204 (B, C, D, E); ADS 12147; HD 179343; SAO 124376 Rating: 4 D Position: 1912+0237 A B C D E F Magnitude 6.94 11.24 13.90 13.10 13.10 10.20 Notes: AB 1890: AC 1890: AD 1890: AE 1890: AF 1830: 12.9 @ 195. 21.2 @ 160. 26.3 @ 317. 27.8 @ 293. 31.4 @ 215. Separation — 13.1 + 21.4 + 26.6 + 27.4 30.1 - PA — 194 159 317 = 292 212 - Year — 1916 1916 1916 1916 1999 Spectra B9 III Colors bW No No No No B 3 measurements. 3 measurements. 3 measurements. 3 measurements. 9 measurements. Observations: C8 at 83x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 18.6 inches. Separation: AB = 15.3 miles; AC = 25.0 miles; AD = 31.1 miles; AE = 32.1 miles; AF = 35.2 miles. Distance (LY): 750 Total luminosity (Suns): 83 - 10 - Zone 197 Deep Sky Objects Moderate NGC 6756 Other Names: Collinder 398, H VII 62 Astronomical League Program: Herschel 400 Club Rating: 2 M Position: 1909+0441 Type: Oc Dimensions: 4' Class: I 1m Cluster population: 40 Magnitude: 10.7 Notes: It is 62 million years old. The earliest spectral class is B3. The brightest star is 13m. It lies 24,000 light years from the galactic center and 150 light years below the galactic plane. Observations: C8 at 206x. Semi-resolved, it magnifies well and looks a little like a globular cluster. Note the wall of 11m12m stars to the SE. Model (where the Sun is a baseball): Its diameter would be 2,020 miles with stars 282 miles apart. NGC 6756 Open cluster Observed with C-8 on 9/18/95; s7, t7 Magnification: 100x Distance (LY): 5,400 Luminosity (suns): 120 - 11 - Zone 197 NGC 6790 Other Names: PK 37-6.1 Rating: 3 M Position: 1923+0131 Type: Pn Dimensions: 7" Class: 2 Magnitude: 10.2 Observations: C8 at 206x. Small but bright; high power does not reveal any details, but does confirm it as a planetary nebula. (At low powers, it looks like one of the field stars.) A 9m star is 15 min NW. Model (where the Sun is a baseball): Its diameter would be 57 miles. Distance (LY): 5,200 Luminosity (suns): 176 NGC 6755 Other Names: Collinder 397, H VII 19 Astronomical League Program: Herschel 400 Club Rating: 4 M Position: 1908+0414 Type: Oc Dimensions: 14' Class: II 2r Cluster population: 100 Magnitude: 7.5 Notes: It is 52 million years old, with the earliest spectral type being B2. The brightest star is 11m. 157 stars belong to this group, which lies 23,700 light years from the galactic center and 160 light years below the galactic plane. Observations: C8 at 83x. This is a double cluster, but nothing like h-Chi Persei (only 30 or so stars in one group, 20 in another)! Nebulous looking. The E lobe is kidney shaped; the W lobe is oval. - 12 - Zone 197 Model (where the Sun is a baseball): Its diameter would be 6,420 miles with stars 694 miles apart. Distance (LY): 4,630 Luminosity (suns): 1,670 NGC 6749 Position: 1905+0147 Type: Gc Rating: 5 M Magnitude: 11.1 Dimensions: 6' Notes: The horizontal branch is 19.2m. It is dimmed 7 magnitudes by dust and gas. Observations: C8 at 65x. This globular has a starlike core and a halo, but was not resolvable. SAO 124203 (23 min W; 5.8m A4V, 16 times brighter than the Sun and 212 light years away) is tough on the seeing! (It is a spectroscopic binary and rotates at 160 kps.) A pair of 10m stars 50" @ 70 lies 15 min NW. C11 at 98x. Large, very faint, but not resolved. Model (where the Sun is a baseball): Its diameter would be 14,610 miles. Distance (LY): 26,000 Luminosity (suns): 1,200,000 Difficult NGC 6760 Other Names: Melotte 219 Rating: 4 D Position: 1911+0102 Type: Gc Dimensions: 2' Class: 9 Cluster population: 15 Magnitude: 10.7 Notes: The brightest stars are 15.6m and the horizontal branch is 17.5m. Edward Pickering discovered it in 1882. - 13 - Zone 197 Observations: C8 at 206x. Faint, it looks grainy at high powers. There is an orange star on the N edge and a yellow one to the east. Note the doublet to the SE. C11 at 98x. Semi-resolved, it has a small range in magnitudes. A 12m star lies on the N side. Model (where the Sun is a baseball): Its diameter would be 2,430 miles with stars 496 miles apart. Distance (LY): 5,200 PK 36- 1.1 Other Names: Sharpless 2-71 Rating: 5 D Position: 1902+0209 Type: Pn Dimensions: 124'' x 75'' Class: 3b Magnitude: 13.2 Notes: The central star is 13.8m. Observations: C8 at 104x. It is an extremely faint smudge seen only with averted vision and tube movement. PK 38- 2.1 Other Names: Minkowski 2-47 Rating: 5 D Position: 1914+0438 Type: Pn Dimensions: 9.7'' x 6.9'' Class: 2 Magnitude: 13.0 Observations: C8 at 206x. Faint and featureless. A 12m star lies 4 min E. - 14 - Zone 197 Zone 197, Map 2 Reference Star Lambda Aql (16 Aql; HD 177756; SAO 143021) Position: 1906-0453 Mag : 3.43 Spectrum : B9 V Color : B Assumed distance: 125 light years Assumed luminosity (suns): 54 Notes: This star is an infra-red source. Double Stars Easy 15 Aql Sh 286; ADS 12007; HD 177463; SAO 142996 Rating: 2 E Position: 1905-0402 A B Magnitude 5.40 7.00 Separation PA — — 39.0 + 210 + Year — 1991 Spectra K0 IV Colors Y! B Notes: 1823: 35.6 @ 207. 34 measurements. May be optical because Hipparcos gives different distances (325 and 550 light years). Observations: C11 at 98x. STF 2447 Rating: 3 E ADS 12038; HD 177880; SAO 143029 Position: 1907-0121 A B Magnitude 6.84 9.70 Separation PA — — 12.8 345 = - 15 - Year — 1991 Spectra B5 V A0 V Colors W O Zone 197 Notes: 1829: 13.8 @ 345. 23 measurements. The stars share common proper motion. Burnham found a 14m companion to A in 1905, 13.9 @ 190. Observations: C8 at 83x. Moderate field. Scale model (in which the Sun is the size of a baseball): Diameter: A = 11.4 inches; B = 9.00 inches. Separation: AB = 32.0 miles. Distance (LY): 1,600 Total luminosity (Suns): 427 A 97 Rating: 3 E ADS 12167; HD 179567; SAO 143149 Position: 1913-0328 A B Magnitude 8.98 11.05 Separation PA — — 93.2 + 222 = Year — 1991 Spectra A0 Colors W bW? Notes: 1895: 92.4 @ 222. 6 measurements. May be optical because Hipparcos gives different distances (940 and 92 light years). B has two faint and very close companions. Observations: C8 at 104x. This pair is the S vertex of a triangle of 8.9m and 9.1m stars. A 103 Rating: 3 E ADS 12380 Position: 1924-0424 A B Magnitude 9.65 10.16 Separation PA — — 3.4 + 4= Notes: 1900: 3.3 @ 4. 16 measurements. - 16 - Year — 1999 Spectra Colors W W Zone 197 Observations: C11 at 98x! Distance (LY): 487 Total luminosity (Suns): 4.00 STF 2434 Rating: 4 E ADS 11971; HD 176982 Position: 1903-0043 A B C BC Magnitude 8.36 9.10 10.40 Separation PA — — 26.0 96 -! 0.5 -! 295 +!! Year — 1991 Spectra G5 Colors yW yW ? 1997 Notes: AB 1822: 26.1 @ 149. 74 measurements. BC 1831: 1.9 @ 80. 87 measurements. An orbit has been computed, with period of 292 years, a semi-major axis of 1.53" and retrograde motion. Observations: C8 at 163x and mask. Measured with the MicroGuide and obtained 26.9" @ 91. C not noted. Scale model (in which the Sun is the size of a baseball): Diameter: A = 19.8 inches. Separation: AB = 12.6 miles; BC = 1,276 feet. Distance (LY): 310 Total luminosity (Suns): 0 Jonckheere 1639 Rating: 4 E HD 178170; SAO 143050 Position: 1908-0421 A B Magnitude 9.62 10.95 Separation PA — — 6.5 = 338 + - 17 - Year — 1991 Spectra A0 Colors W W Zone 197 Notes: 1895: 6.5 @ 334. 7 measurements. Observations: C11 at 98x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 6.71 inches. Separation: AB = 9.02 miles. Distance (LY): 890 Total luminosity (Suns): 11.4 Schjellerup 20 Rating: 4 E HD 179513; SAO 143142 Position: 1913-0333 A B Magnitude 8.36 9.72 Separation PA — — 62.6 + 229 - Year — 1982 Spectra K5 K5 Colors Y yO Notes: 1895: 60.4 @ 230. 10 measurements. The stars have different proper motions. Observations: C8 at 104x. It lies in the center of the planetary nebula PK 32-6.1 (1 min to the NE). Scale model (in which the Sun is the size of a baseball): Diameter: A = 35.1 inches; B = 37.9 inches. Separation: AB = 32.8 miles. Distance (LY): 336 Total luminosity (Suns): 5 - 18 - Zone 197 Baillaud 595 Rating: 4 E HD 180894 Position: 1918-0102 A B Magnitude 9.96 11.60 Separation PA — — 8.2 115 - Year — 1902 Spectra G0 Colors Y W Notes: 1892: 8.3 @ 118. 2 measurements. Observations: C11 at 98x. It is the east end of a 3-star dogleg. STF 2501 Rating: 4 E ADS 12347; HD 181806; SAO 143315 Position: 1922-0444 A B Magnitude 7.69 10.20 Separation PA — — 20.0 + 21 = Year — 1991 Spectra F5 Colors W O Notes: 1825: 19.5 @ 21. 27 measurements. The stars share common proper motion. Observations: C8 at 83x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 12.8 inches. Separation: AB = 9.26 miles. Distance (LY): 297 Total luminosity (Suns): 6.4 - 19 - Zone 197 Baillaud 594 Rating: 5 E HD 180106 Position: 1915-0130 A B Magnitude 9.65 11.30 Separation PA — — 14.8 121 Year — 1894 Spectra K0 Colors Y ? Notes: 1 measurement. Observations: C11 at 98x. It is part of a small triangle. h5508 Rating: 5 E ADS 12281; HD 180783; SAO 143235 Position: 1918-0057 A B Magnitude 7.34 11.70 Separation PA — — 19.5 96 Year — 1903 Notes: 1 measurement. Observations: C8 at 83x. Moderate field. Scale model (in which the Sun is the size of a baseball): Diameter: A = 9.15 inches. Separation: AB = 20.7 miles. Distance (LY): 680 Total luminosity (Suns): 41 - 20 - Spectra A5 IV Colors W ? Zone 197 Moderate h874 Rating: 4 M ADS 11927; HD 176531; SAO 142915 Position: 1901-0027 A B C Magnitude 7.20 13.40 11.95 Separation — 9.7 23.0 + PA — 1 304 + Year — 1901 1901 Spectra G5 IV Colors W No ? Notes: AB 1 measurement. AC 1895: 22.3 @ 303. 2 measurements. Bloch measures 1923.7, 260@, 16.96", which may belong to STF 2426. Observations: C8 at 206x. It took averted vision to pick up star B. Scale model (in which the Sun is the size of a baseball): Diameter: A = 9.00 inches. Separation: AB = 9.08 miles; AC = 21.5 miles. Distance (LY): 600 Total luminosity (Suns): 40.54 STF 2477 rej Rating: 5 M HD 179345; SAO 143131 Position: 1912-0428 A B Magnitude 8.63 11.77 Separation PA — — 25.3 44 - Year — 1991 Spectra K0 Colors Y ? Notes: 1848: 30.1 @ 45. 7 measurements. Hipparcos/Tycho data show different distances for these stars; they may be optical. Observations: C8 at 104x. - 21 - Zone 197 Scale model (in which the Sun is the size of a baseball): Diameter: A = 25.2 inches. Separation: AB = 2,132 miles. Distance (LY): 54,000 Total luminosity (Suns): 90,500 Deep Sky Objects Difficult NGC 6778 Other Names: PK 34-6.1 Rating: 3 D Position: 1919-0136 Type: Pn Dimensions: 19'' x 13'' Class: 3 Magnitude: 13.3 Notes: The central star is 14.8m. It was discovered in 1863 by Albert Marth. Observations: C8 at 206x. It was easy to confirm at 104x, where it showed a slight disk. At 200x, the suggestion of a ring comes across. A dark area lies about 10 min north and an 8.5m star is about 5 min east. Distance (LY): 13,000 Total luminosity (Suns): 63 NGC 6741 Other Names: PK 33-2.1; The Phantom Streak Nebula Rating: 5 D Position: 1903-0027 Type: Pn Dimensions: 9" x 7" Class: 4 Magnitude: 11.7 - 22 - Zone 197 Observations: C8 at 206x. Starlike at low powers, use high powers and note that it has an E-W axis. Otherwise, it is featureless, but does show a strong green cast. An 11m star lies just off the W edge. Model (where the Sun is a baseball): Its diameter would be 73 miles. Distance (LY): 5,200 Luminosity (suns): 44 NGC 6772 Other Names: PK 33-6.1 Astronomical League Program: Herschel II Club Rating: 5 D Position: 1915-0242 Type: Pn Magnitude: 12.7 Dimensions: 62" Observations: C11 at 98x + O-III filter. Very, very faint and round, and even in appearance. NGC 6772 Planetary nebula Observed with C11 on 7/5/03; s7, t7 Magnification: 98x + O-III - 23 - Zone 197 Zone 197, Map 1 Double Stars Easy STF 2532 Rating: 2 E ADS 12520; HD 183589; SAO 124698 Position: 1930+0254 A B C Magnitude 6.09 10.60 10.91 Separation — 32.7 119.8 + PA — 3197 = Year — 1983 1991 Spectra M1 IIII Colors dO!! W No Notes: AB 1829: 34.9 @ 5. 15 measurements. The primary is an infra-red source. AC 1909: 119.5 @ 197. 6 measurements. Observations: C8 at 206x. Webb: D, O or G. Scale model (in which the Sun is the size of a baseball): Diameter: A = 1.20 inches. Separation: AB = 84.7 miles; AC = 310 miles. Distance (LY): 1,660 Total luminosity (Suns): 820 STF 2566 rej Rating: 3 E HD 186490; SAO 125008 Position: 1945+0459 A B Magnitude 7.73 10.15 Separation PA — — 26.5 + 233 - - 24 - Year — 1991 Spectra K5 Colors O!! Zone 197 Notes: 1879: 25.0 @ 235. 6 measurements. Observations: C8 at 83x. Moderate field. Scale model (in which the Sun is the size of a baseball): Diameter: A = 33.8 inches. Separation: AB = 45.5 miles. Distance (LY): 1,100 Total luminosity (Suns): 105 Baillaud 2949 Rating: 4 E Position: 1940+0431 A B Magnitude 10.55 11.01 Separation PA — — 18.1 + 238 - Year — 1991 Spectra Colors W W Notes: 1908: 18.0 @ 239. 4 measurements. Observations: C8 at 104x. h2895 Rating: 4 E ADS 12876; HD 186680; SAO 125030 Position: 1946+0340 A B C Magnitude 9.16 10.20 12.12 Separation — 9.4 = 40.7 + PA — 307 + 15 = Notes: AB 1904: 9.4 @ 306. 8 measurements. AC 1905: 40.3 @ 15. 2 measurements. The stars share common proper motion. - 25 - Year — 1957 1911 Spectra F8 Colors W O W? Zone 197 Observations: C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 16.0 inches. Separation: AB = 1.70 miles; AC = 7.36 miles. Distance (LY): 116 Total luminosity (Suns): 0.4 Bur 1301 Rating: 4 E ADS 12896; SAO 125041 Position: 1947+0418 A B C BC Magnitude 9.05 11.05 9.60 Separation PA — — 56.9 + 64 101.3 -! 139 - Year — 1991 1999 Notes: AB 1900: 56.8 @ 67. 8 measurements. BC 1901: 137.4 @ 151. 4 measurements. Observations: C8 at 104x. A 6.5m star 10 min WSW is a good skymark. Scale model (in which the Sun is the size of a baseball): Diameter: A = 7.51 inches; B = 40.6 inches. Separation: AB = 12.5 miles. Distance (LY): 141 Total luminosity (Suns): 0.6 - 26 - Spectra A2 K6 V Colors W W No Zone 197 STF 2601 A 2391 (B); ADS 13147; HD 188802 Rating: 4 E Position: 1957+0155 A B Magnitude 8.71 10.14 Separation PA — — 6.9 + 162 - Year — 1991 Spectra A0 Colors W W? Notes: 1831: 6.6 @ 166. 20 measurements. Aitken doubled A with a 9.40m star in 1910, 0.2 @ 22. 11 measurements. Observations: C11 at 115x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 6.39 inches. Separation: AB = 9.79 miles. Distance (LY): 910 Total luminosity (Suns): 67 A 1188 Rating: 5 E ADS 12644; HD 184768; SAO 143582 Position: 1936+0005 A B Magnitude 7.55 13.44 Separation PA — — 109.1 228 Notes: 1 measurement. A has a 13.7m companion at 3.2 @ 358 (1926). Observations: C8 at 104x. - 27 - Year — 1909 Spectra G5 Colors yW ? Zone 197 Scale model (in which the Sun is the size of a baseball): Diameter: A = 18.8 inches. Separation: AB = 21.6 miles; Aa = 3,348 feet. Distance (LY): 127 Total luminosity (Suns): 1.23 Howe 49 Rating: 5 E ADS 12635; HD 184599 Position: 1936+0332 A B C Magnitude 9.51 11.80 12.03 Separation — 6.6 32.6 = PA — 25 = 306 = Year — 1927 1908 Spectra G5 Colors Y No B? Notes: AB 1879: 6.8 @ 25. 6 measurements. AC 1879: 32.6 @ 306. 3 measurements. Observations: C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 21.1 inches. Separation: AB = 6.59 miles; AC = 32.6 miles. Distance (LY): 640 Total luminosity (Suns): 10.38 Bur 249 Leavenworth 22 (D); ADS 12708; HD 185297; SAO 124878 Rating: 5 E Position: 1938+0021 A B C Magnitude 7.22 9.39 12.03 Separation — 1.0 38.5 PA — 111 56 - 28 - Year — 1997 1916 Spectra A2 IV Colors W No ? Zone 197 Notes: AB 1875: 1.3 @ 142. 43 measurements. AC 1 measurement. Observations: C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 10.8 inches. Separation: AB = 2,693 feet; AC = 19.6 miles. Distance (LY): 327 Total luminosity (Suns): 11.28 Bur 977 Rating: 5 E ADS 12764; HD 185700; SAO 124919 Position: 1940+0420 A B C Magnitude 8.40 12.40 12.45 Separation — 4.0 + 49.0 PA — 59 = 289 Year — 1933 1914 Notes: AB 1880: 3.8 @ 59. 7 measurements. AC 1 measurement. Observations: C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 13.4 inches. Separation: AB = 6.80 miles; AC = 83.3 miles. Distance (LY): 1,090 Total luminosity (Suns): 43 - 29 - Spectra F5 Colors W! No ? Zone 197 h2892 Rating: 5 E HD 186296; SAO 124991 Position: 1943+0040 A B Magnitude 8.30 11.49 Separation PA — — 13.3 + 88 - Year — 1991 Spectra B5 Colors W ? Notes: 1896: 12.9 @ 90. 8 measurements. Scale model (in which the Sun is the size of a baseball): Diameter: A = 2.77 inches. Separation: AB = 91.3 miles. Distance (LY): 4,400 Total luminosity (Suns): 774 h895 Rating: 5 E ADS 12811; SAO 124967 Position: 1943+0114 A B C Magnitude 8.55 10.50 9.55 Separation — 14.1 29.9 + PA — 209 + 24 + Year — 1988 1988 Spectra G0 Colors W W W Notes: AB 1901: 14.2 @ 208. 2 measurements. AC 1893: 28.6 @ 16. 13 measurements. The stars have different proper motions. Observations: C8 at 104x. Faint. Webb: Three pairs here in a line, and three more further off, all 9m, white. Scale model (in which the Sun is the size of a baseball): Diameter: A = 17.5 inches. Separation: AB = 2.04 miles; AC = 4.33 miles. - 30 - Zone 197 Distance (LY): 93 Total luminosity (Suns): 0.33 Bur 468 Rating: 5 E ADS 12882; HD 186704; SAO 125036 Position: 1946+0415 A B Magnitude 7.02 12.60 Separation PA — — 10.0 + 182 = Year — 1961 Spectra G0 V Colors Y ? Notes: AB 1876: 9.6 @ 182. 11 measurements. B is the flare star V1406 Aql. Observations: C8 at 83x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 3.45 inches. Separation: AB = 1.54 miles. Distance (LY): 99 Total luminosity (Suns): 1.24 Engelmann 67 Bpm 199 (C); HD 187003; SAO 125069 Rating: 5 E Position: 1948+0105 A B C BC Magnitude 6.77 10.62 12.20 Separation PA — — 95.4 110 30.4 - 196 = Notes: AB 1893: 102.0 @ 123. 7 measurements. BC 1908: 30.6 @ 196. 2 measurements. - 31 - Year — 1990 1924 Spectra G0 IV Colors Y! W ? Zone 197 Observations: C11 at 115x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 8.55 inches. Separation: AB = 24.0 miles; BC = 7.64 miles. Distance (LY): 161 Total luminosity (Suns): 4.11 Hertzsprung 14 Abetti 14 (C); HD 188268; SAO 125206 Rating: 5 E Position: 1954+0157 A B C BC Magnitude 8.78 8.93 11.50 Separation PA — — 161.9 + 93 = 77.2 38 Year — 1991 1921 Notes: AB 1907: 162 @ 93. 3 measurements. BC 1 measurement. Observations: C11 at 115x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 25.5 inches; B = 25.7 inches. Separation: AB = 37.4 miles. Distance (LY): 148 Total luminosity (Suns): 1.06 - 32 - Spectra K0 K0 Colors Y W W Zone 197 Moderate STF 2587 Rating: 2 M ADS 13019; HD 187734; SAO 125141 Position: 1951+0405 A B Magnitude 6.47 9.35 Separation PA — — 3.9 100 + Year — 1991 Spectra K0 III A5 V Colors Y B Notes: 1828: 4.1 @ 99. 44 measurements. Observations: C8 at 206x. Star B is very difficult. Webb: D, W. STF 2589 Rating: 3 M ADS 13046; HD 187930; SAO 125162 Position: 1953+0039 A B Magnitude 8.04 8.29 Separation PA — — 4.9 = 294 - Year — 1997 Spectra A0 A3 Colors W W Notes: 1825: 4.9 @ 297. 50 measurements. The stars show similar proper motions. Observations: C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 6.14 inches; B = 7.52 inches. Separation: AB = 4.05 miles. Distance (LY): 530 Total luminosity (Suns): 14 - 33 - Zone 197 Baillaud 2946 Rating: 5 M HD 184043; SAO 124751 Position: 1932+0429 A B Magnitude 8.41 11.40 Separation PA — — 10.5 66 Year — 1910 Spectra K0 Colors Y rO Notes: 1 measurement. Observations: C8 at 104x. Moderate field. OS 381 rej Rating: 5 M ADS 12825; HD 186278; SAO 124987 Position: 1944+0411 A B Magnitude 7.68 11.20 Separation PA — — 15.1 5- Year — 1929 Notes: 1843: 15.8 @ 8. 8 measurements. Scale model (in which the Sun is the size of a baseball): Diameter: A = 7.97 inches. Separation: AB = 11.61 miles. Distance (LY): 493 Total luminosity (Suns): 17 - 34 - Spectra A5 Colors W ? Zone 197 Difficult h2878 Rating: 5 D SAO 124738 Position: 1932+0345 A B Magnitude 9.46 12.89 Separation PA — — 21.3 + 161 - Year — 1996 Spectra M0 Colors O W? Notes: 1906: 18.9 @ 164. 3 measurements. Observations: C8 at 104x. A wonderful field, measuring about 15 min EW by 30 min NS lies 30 min W. Zone 197, Map 4 Double Stars Easy STF 2533 Rating: 3 E ADS 12518; HD 183518; SAO 143469 Position: 1930-0027 A B Magnitude 7.30 9.90 Separation PA — — 22.0 212 = Year — 1982 Spectra A3 V Colors W R Notes: 1831: 23.2 @ 212. 17 measurements. The stars have a small difference in proper motion. - 35 - Zone 197 Observations: C8 at 83x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 8.10 inches. Separation: AB = 11.8 miles. Distance (LY): 344 Total luminosity (Suns): 12 STF 2537 Position: 1934-0416 A B Magnitude 9.38 9.58 Rating: 4 E Separation PA — — 20.2 + 140 + Year — 1991 Spectra Colors Y dB Notes: 1825: 19.0 @ 130. 20 measurements. The stars share common proper motion. Distance (LY): 132 Total luminosity (Suns): 0.5 h2882 Rating: 4 E ADS 12612; HD 184430; SAO 143548 Position: 1935-0129 A B Magnitude 9.02 11.00 Separation PA — — 9.9 + 132 = Notes: 1879: 9.3 @ 132. 6 measurements. Observations: C11 at 98x. - 36 - Year — 1959 Spectra A2 Colors W O Zone 197 Baillaud 605 Jonckheere 1683 Rating: 4 E Position: 1941-0128 A B Magnitude 10.24 11.00 Separation PA — — 7.3 + 282 = Year — 1948 Spectra Colors W W Notes: 1896: 7.2 @ 282. 3 measurements. Observations: C11 at 98x. Distance (LY): 70 Total luminosity (Suns): 0.061 h899 Position: 1953-0248 A B Magnitude 10.37 10.61 Rating: 4 E Separation PA — — 11.7 = 207 - Year — 1922 Spectra Colors W W Notes: 1894: 11.7 @ 210. 2 measurements. Observations: C11 at 98x. It lies 21 min N of 5.6m SAO 143883. STF 2535 V822 Aql; Dembowski 20; ADS 12538; HD 183794; SAO 143494 Rating: 5 E Position: 1931-0207 A B Magnitude 7.24 10.27 Separation PA — — 24.9 299 + - 37 - Year — 1991 Spectra B5 V Colors W ? Zone 197 Notes: 1831: 27.8 @ 298. 18 measurements. Hipparcos/Tycho data show different distances for these stars; they may be optical. The primary is an Algol type variable with a period of 5.3 days. Dembowski found a companion to A in 1869, 9.70m, at 1.2 @ 70. 23 measurements. Observations: C8 at 206x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 11.4 inches. Separation: AB = 163 miles. Distance (LY): 4,200 Total luminosity (Suns): 2,097 A 105 Rating: 5 E ADS 12640; SAO 143578 Position: 1936-0304 A B Magnitude 8.78 11.93 Separation PA — — 53.3 187 + Year — 1983 Notes: 1893: 54.3 @ 185. 7 measurements. A has an 11.0m companion at 2.8 @ 338 (1943). Observations: C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 20.3 inches. Separation: AB = 15.2 miles; Aa = 4,221 feet. Distance (LY): 183 Total luminosity (Suns): 0.9 - 38 - Spectra G5 Colors Y W? Zone 197 Moderate STF 2582 Rating: 3 M ADS 12984; SAO 143827 Position: 1950-0355 A B Magnitude 8.26 9.51 Separation PA — — 2.4 = 260 - Year — 1991 Spectra G5 Colors Y W Notes: 1829: 2.4 @ 265. 22 measurements. Observations: C11 at 339x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 19.7 inches. Separation: AB = 3.22 miles. Distance (LY): 860 Total luminosity (Suns): 37 Difficult AC 12 Rating: 5 D ADS 13178; HD 189073 Position: 1958-0214 A B Magnitude 7.08 8.41 Separation PA — — 1.5 + 300 - Year — 1997 Notes: 1854: 0.9 @ 334. Over 100 measurements. Observations: C8 at 280x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 12.3 inches. Separation: AB = 3,960 feet. Distance (LY): 324 Total luminosity (Suns): 13 - 39 - Spectra F5 Colors W W Zone 197 Zone 197 Mini-Catalog Double Stars Designation Position Rating Map 15 Aql 1905-0402 2E 2 STF 2532 1930+0254 2E 3 STF 2447 1907-0121 3E 2 Schjellerup 19 1912+0055 3E 1 A 97 1913-0328 3E 2 STF 2498 1920+0403 3E 1 Baillaud 1202 1920+0056 3E 1 A 103 1924-0424 3E 2 STF 2531 1930+0305 3E 1 STF 2533 1930-0027 3E 4 STF 2566 rej 1945+0459 3E 3 STF 2434 1903-0043 4E 2 Baillaud 1973 Jonckheere 1639 1903+0230 4E 1 1908-0421 4E 2 Schjellerup 20 1913-0333 4E 2 Baillaud 595 1918-0102 4E 2 STF 2501 1922-0444 4E 2 H VI 47 1925+0150 4E 1 STF 2537 1934-0416 4E 4 h2882 1935-0129 4E 4 Baillaud 2949 1940+0431 4E 3 Baillaud 605 1941-0128 4E 4 Component A B A B C A B A B A B A B C A B A B A B A B A B A B C BC A B A B A B A B A B A B A B A B A B A B - 40 - Mag 5.40 7.00 6.09 10.60 10.91 6.84 9.70 8.63 10.28 8.98 11.05 8.10 8.90 9.50 9.50 10.00 9.65 10.16 8.10 10.15 7.30 9.90 7.73 10.15 8.36 9.10 10.40 9.45 11.09 9.62 10.95 8.36 9.72 9.96 11.60 7.69 10.20 7.99 8.86 9.38 9.58 9.02 11.00 10.55 11.01 10.24 11.00 Separation — 39.0 + — 32.7 119.8 + — 12.8 — 48.0 — 93.2 + — 12.0 171.7 +!! — 8.2 = — 3.4 + — 31.8 + — 22.0 — 26.5 + — 26.0 - PA — 210 + — 3119.8 + — 345 = — 254 — 222 = — 66 171.7 +!! — 15 — 4= — 28 — 212 = — 233 — 96 -! 0.5 -! — 10.9 + — 6.5 = — 62.6 + — 8.2 — 20.0 + — 96.7 +! — 20.2 + — 9.9 + — 18.1 + — 7.3 + 295 +!! — 189 — 338 + — 229 — 115 — 21 = — 95 = — 140 + — 132 = — 238 — 282 = Zone 197 Designation Position Rating Map h2895 1946+0340 4E 3 Bur 1301 1947+0418 4E 3 h899 1953-0248 4E 4 STF 2601 1957+0155 4E 3 Baillaud 594 1915-0130 5E 2 h5508 1918-0057 5E 2 24 Aql 1919+0020 5E 1 Nu 1 Aql 1926+0020 5E 1 H VI 48 1926+0149 5E 1 Schjellerup 21 1926+0450 5E 1 STF 2535 1931-0207 5E 4 Howe 49 1936+0332 5E 3 A 1188 1936+0005 5E 3 A 105 1936-0304 5E 4 Bur 249 1938+0021 5E 3 Bur 977 1940+0420 5E 3 h895 1943+0114 5E 3 h2892 1943+0040 5E 3 Bur 468 1946+0415 5E 3 Engelmann 67 1948+0105 5E 3 Hertzsprung 14 1954+0157 5E Component A B C A B C BC A B A B A B A B A B A B A B A B A B A B C A B A B A B C A B C A B C A B A B A B C BC A B C BC 3 - 41 - Mag 9.16 10.20 12.12 9.05 11.05 9.60 10.37 10.61 8.71 10.14 9.65 11.30 7.34 11.70 6.50 6.70 4.63 9.44 8.10 10.60 8.52 10.92 7.24 10.27 9.51 11.80 12.03 7.55 13.44 8.78 11.93 7.22 9.39 12.03 8.40 12.40 12.45 8.55 10.50 9.55 8.30 11.49 7.02 12.60 6.77 10.62 12.20 8.78 8.93 11.50 Separation — 9.4 = 40.7 + — 56.9 + PA — 307 + 40.7 + — 64 - 101.3 -! — 11.7 = — 6.9 + — 14.8 — 19.5 — 423 — 201 — 153.5 — 41.8 + — 24.9 — 6.6 32.6 = — 109.1 — 53.3 — 1.0 38.5 — 4.0 + 49.0 — 14.1 29.9 + — 13.3 + — 10.0 + — 95.4 - 139 — 207 — 162 — 121 — 96 — 136 — 288 — 174 — 214 + — 299 + — 25 = 32.6 = — 228 — 187 + — 111 38.5 — 59 = 49.0 — 209 + 29.9 + — 88 — 182 = — 110 - 30.4 — 161.9 + 196 = — 93 = 77.2 38 Zone 197 Designation Position Rating Map STF 2587 1951+0405 2M 3 STF 2582 1950-0355 3M 4 STF 2589 1953+0039 3M 3 h874 1901-0027 4M 2 23 Aql 1919+0105 4M 1 STF 2513 1925+0227 4M 1 STF 2477 rej 1912-0428 5M 2 Baillaud 2946 1932+0429 5M 3 OS 381 rej 1944+0411 5M 3 STF 2476 1912+0237 4D 1 h2878 1932+0345 5D 3 AC 12 1958-0214 5D 4 Component A B A B A B A B C A B C A B A B A B A B A B C D E F A B A B Mag 6.47 9.35 8.26 9.51 8.04 8.29 7.20 13.40 11.95 5.09 8.55 13.50 8.61 9.61 8.63 11.77 8.41 11.40 7.68 11.20 6.94 11.24 13.90 13.10 13.10 10.20 9.46 12.89 7.08 8.41 Separation — 3.9 — 2.4 = — 4.9 = — 9.7 23.0 + — 3.0 11.3 — 2.0 — 25.3 — 10.5 — 15.1 — 13.1 + 21.4 + 26.6 + 27.4 – 30.1 — 21.3 + — 1.5 + PA — 100 + — 260 — 294 — 1 23.0 + — 011.3 — 328 + — 44 — 66 — 5— 194 21.4 + 26.6 + 292 – 212 — 161 — 300 - Deep Sky Objects Object NGC 6756 NGC 6790 NGC 6755 NGC 6749 NGC 6778 NGC 6760 PK 36- 1.1 NGC 6741 PK 38- 2.1 NGC 6772 Position 1909+0441 1923+0131 1908+0414 1905+0147 1919-0136 1911+0102 1902+0209 1903-0027 1914+0438 1915-0242 Rating 2M 3M 4M 5M 3D 4D 5D 5D 5D 5D Map 1 1 1 1 2 1 1 2 1 2 Type Oc (I 1m) Pn (2) Oc (II 2r) Gc Pn (3) Gc (9) Pn (3b) Pn (4) Pn (2) Pn - 42 - Specifications Surface Mag Br 10.7 10.2 7.5 11.1 13.3 10.7 13.2 11.7 13.0 12.7 Population 40 100 15