Zone 156, Master Map +16°00' Normal View Zone Master, Normal View, 10 deg FOV ο +14°00' σ c +12°00' e µ Cetus λ +10°00' ξ Pisces ξ1 d +06°00' f +08°00' ξ2 ν α Menkar 02h 56m 02h 48m 02h 40m 02h 32m 02h 24m 02h 16m 02h 08m 02h 00m Zone 156, Map 1 Normal Image +15°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. NGC 820 NGC 820 NGC 774 +14°00' A. G. 39 IC 196 IC 195 NGC 871 NGC 877 NGC 877 NGC 876 +13°00' STF 224 NGC 781 IC 1791 A. G. 33 +12°00' NGC 927 Paloque 24 STF 261 NGC 821 OSS 27 +11°00' STF 206 IC 193 NGC 821 ξ h21 STF 237 Pisces Cetus 02h 30m 02h 25m 02h 20m 02h 15m 02h 10m Paloque 23 02h 05m 02h 00m Zone 156, Map 1 Mirror Image +15°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. IC 196 IC 195 NGC 871 NGC 877 NGC 877 NGC 876 +14°00' NGC 820 NGC 820 A. G. 39 +13°00' STF 224 IC 1791 +12°00' A. G. 33 NGC 927 Paloque 24 STF 261 IC 193 +11°00' STF 206 NGC 821NGC 821 ξ h21 Paloque 23 02h 00m 02h 05m OSS 27 STF 237 Pisces Cetus 02h 10m 02h 15m 02h 20m 02h 25m 02h 30m Zone 156, Map 2 Normal Image Cetus Xi 1 Cet NGC 791 Xi 2 Cet +08°00' ξ2 ξ1 Paloque 23 +09°00' Bur 8 +10°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. NGC 827 NGC 840 +07°00' h647 Paloque 30 STF 198 rej IC 1776 NGC 864NGC 864 +06°00' IC 208 NGC 825 IC 214 02h 30m 02h 25m 02h 20m 02h 15m 02h 10m 02h 05m 02h 00m Zone 156, Map 2 Mirror Image Cetus ξ1 +09°00' Paloque 23 +10°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. Bur 8 Xi 1 Cet NGC 791 ξ2 +08°00' Xi 2 Cet NGC 827 NGC 840 Paloque 30 +07°00' h647 STF 198 rej STF 198 rej +06°00' IC 208 NGC 825 IC 1776 NGC 864 NGC 864 IC 214 02h 00m 02h 05m 02h 10m 02h 15m 02h 20m 02h 25m 02h 30m Zone 156, Map 3 Normal Image σ +15°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. A. G. 47 STF 287 A. G. 60 Bur 1315 Gallo 322 NGC 1134NGC 1134 IC 267 IC 238 +12°00' A. G. 57 Gallo 327 +13°00' +14°00' A. G. 59 A. G. 54 NGC 990 +11°00' A. G. 48 NGC 1024 NGC 1029 A. G. 56 h655 µ 03h 00m 02h 55m 02h 50m Mu Cet 02h 45m 02h 40m 02h 35m 02h 30m Zone 156, Map 3 Mirror Image +15°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. σ A. G. 47 STF 287 Bur 1315 +14°00' A. G. 59 NGC 1134 +13°00' Gallo 322 NGC 1134 IC 267 IC 238 +12°00' A. G. 57 Gallo 327 A. G. 54 NGC 990 +11°00' A. G. 48 NGC 1024 NGC 1029 A. G. 56 h655 µ 02h 30m 02h 35m 02h 40m Mu Cet 02h 45m 02h 50m 02h 55m 03h 00m Zone 156, Map 4 Normal Image Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. µ +10°00' h655 Mu Cet NGC 975 h652 STF 313 OSS 30 +08°00' λ +09°00' IC 1867 NGC 1107 +07°00' A. G. 45 Paloque 32 A. G. 55 STF 334 NGC 1026 STF 323 +06°00' STF 276 STF 309 rej ν Nu Cet Paloque 31 NGC 1070 NGC 1070 03h 00m 02h 55m NGC 1095 02h 50m 02h 45m 02h 40m 02h 35m 02h 30m Zone 156, Map 4 Mirror Image Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. +10°00' h655 µ Mu Cet NGC 975 h652 λ +08°00' STF 313 OSS 30 +09°00' IC 1867 NGC 1107 +07°00' A. G. 45 Paloque 32 A. G. 55 NGC 1026 STF 323 +06°00' STF 276 STF 309 rej ν Nu Cet Paloque 31 NGC 1070NGC 1070 02h 30m 02h 35m 02h 40m NGC 1095 02h 45m 02h 50m 02h 55m 03h 00m Zone 156 3 Reference Stars, 36 Double Stars, 5 Galaxies A Nu Cet .................................................. 17 A. G. 33 ................................................. 5 A. G. 39 ................................................. 6 A. G. 45 ............................................... 21 A. G. 48 ............................................... 16 A. G. 54 ............................................... 14 A. G. 55 ............................................... 20 A. G. 56 ............................................... 13 A. G. 57 ............................................... 15 A. G. 59 ............................................... 15 O OSS 27 ................................................... 2 OSS 30 ................................................. 17 P Paloque 23.............................................. 5 Paloque 24.............................................. 4 Paloque 30............................................ 10 Paloque 31............................................ 18 Paloque 32............................................ 21 B Bur 1315 .............................................. 13 Bur 8 .................................................... 11 S STF 198 rej ............................................ 9 STF 206.................................................. 3 STF 224.................................................. 2 STF 237.................................................. 4 STF 261.................................................. 6 STF 276................................................ 22 STF 287................................................ 12 STF 309 rej .......................................... 19 STF 313................................................ 19 STF 323................................................ 20 STF 334................................................ 22 H h21 ......................................................... 7 h647 ..................................................... 10 h652 ..................................................... 18 h655 ..................................................... 14 M Mu Cet ................................................. 12 N NGC 1134............................................ 16 NGC 820................................................ 8 NGC 821................................................ 8 NGC 864.............................................. 11 NGC 877................................................ 7 X Xi 1 Cet.................................................. 9 Xi 2 Cet.................................................. 9 -1- Zone 156 Zone 156, Map 1 Double Stars Easy STF 224 Rating: 2 E ADS 1689; HD 13357; SAO 92823; H N 105 Position: 0211+1341 A B Magnitude 7.63 8.90 Separation PA — — 6.0 + 244 + Year — 1994 Spectra G5 V Colors W W Notes: 1830: 5.0 @ 242. 54 measurements. Observations: C8 at 104x. Webb: Y, W. Scale model (in which the Sun is the size of a baseball): Diameter: A = 15.3 inches. Separation: AB = 1.50 miles. Distance (LY): 160 Total luminosity (Suns): 2.4 OSS 27 Rating: 3 E HD 15165; SAO 92952 Position: 0227+1033 A B C Magnitude 6.70 8.31 11.76 Separation — 72.9 62.0 - PA — 32 + 155 = Notes: AB 1875: 74.0 @ 31. 32 measurements. AC 1898: 62.3 @ 155. 7 measurements. -2- Year — 1998 1924 Spectra F0 IV A3 Colors W bW W? Zone 156 The stars share common proper motion. However, Hipparcos shows different distances (383 and 231 light years). The primary is a Delta Scuti variable. Observations: C8 at 104x. Two bright stars are to the W. Scale model (in which the Sun is the size of a baseball): Diameter: A = 10.6 inches; B = 5.75 inches. Separation: AB = 43.6 miles; AC = 37.1 miles. Distance (LY): 383 Total luminosity (Suns): 30.35 STF 206 Rating: 4 E HD 12504; SAO 92767 Position: 0203+1122 A B Magnitude 8.83 10.08 Separation PA — — 31.3 = 134 = Year — 1991 Spectra A5 F5 V Colors W B Notes: 1829: 31.3 @ 134. 20 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 = 5.94 inches; B = 13.0 inches. Separation: AB = 31.2 miles. Distance (LY): 640 Total luminosity (Suns): 13 -3- Zone 156 Paloque 24 Position: 0209+1203 A B Magnitude 10.64 11.71 Rating: 4 E Separation PA — — 15.4 213 = Year — 1991 Spectra F0 Colors W W Notes: 1899: 16.6 @ 213. 6 measurements. Observations: C11 at 115x. STF 237 Rating: 4 E ADS 1727; HD 14165; SAO 92875 Position: 0218+1027 A B C Magnitude 9.47 9.77 10.20 Separation — 14.6 = 68.5 + PA — 237 271 + Year — 1991 1920 Spectra G5 IV Colors W W No Notes: AB 1831: 14.6 @ 239. 21 measurements. The stars share common proper motion. AC 1899: 68.2 @ 270. 4 measurements. Observations: C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 17.1 inches. Separation: AB = 11.3 miles; AC = 52.8 miles. Distance (LY): 494 Total luminosity (Suns): 11 -4- Zone 156 Paloque 23 Rating: 5 E HD 12639; SAO 110315 Position: 0204+1006 A B Magnitude 9.23 11.32 Separation PA — — 25.7 + 296 + Year — 1991 Spectra Colors W W? Notes: 1891: 24.6 @ 295. 7 measurements. Observations: C11 at 115x. Distance (LY): 297 Total luminosity (Suns): 1.61 A. G. 33 Rating: 5 E HD 13384; SAO 92827 Position: 0211+1219 A B Magnitude 8.94 11.05 Separation PA — — 47.0 + 318 - Year — 1991 Spectra G5 Colors yW B? Notes: 1899: 40.2 @ 321. 12 measurements. The stars have different proper motions. Observations: C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 9.00 inches. Separation: AB = 34.1 miles. Distance (LY): 465 Total luminosity (Suns): 6 -5- Zone 156 A. G. 39 Rating: 5 E HD 15002; SAO 92939 Position: 0226+1433 A B Magnitude 9.19 11.54 Separation PA — — 20.6 354 - Year — 1989 Spectra G0 Colors W W Notes: 1872: 20.8 @ 355. 4 measurements. Observations: C8 at 206x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 8.55 inches. Separation: AB = 14.9 miles. Distance (LY): 464 Total luminosity (Suns): 5.38 Moderate STF 261 Rating: 2 M ADS 1831; HD 14888; SAO 92923 Position: 0225+1130 A B Magnitude 8.64 8.66 Separation PA — — 2.8 251 + Year — 2000 Spectra F0 V Colors W W Notes: 1832: 3.0 @ 249. 30 measurements. Observations: C8 at 206x. Webb: Y. Scale model (in which the Sun is the size of a baseball): Diameter: A = 12.0 inches. Separation: AB = 2.13 miles. Distance (LY): 488 Total luminosity (Suns): 11 -6- Zone 156 h21 Rating: 5 M HD 12907; SAO 92798 Position: 0207+1028 A B Magnitude 7.74 12.50 Separation PA — — 26.5 + 4 +! Year — 1974 Spectra F8 V Colors W W? Notes: 1891: 25.9 @ 345. 3 measurements. Observations: C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 3.60 inches. Separation: AB = 12.7 miles. Distance (LY): 307 Total luminosity (Suns): 6.05 Deep Sky Objects Moderate NGC 877 Other Names: UGC 1768; H II 246 Rating: 5 M Position: 0218+1433 Type: Gal Surface brightness: 13.1 Class: SAB(rs)bc Dimensions: 2' x 1' Magnitude: 12.5 PA: 140 Observations: C8 at 104x. It runs NW to SE, with troublesome 8.0m SAO 92878 5 min S. Model (where the Sun is a baseball): Its diameter would be 49 million miles. -7- Zone 156 Distance (LY): 260,000,000 Radial velocity (km/sec): +4,106 Luminosity (suns): 53,000,000,000 Difficult NGC 820 Other Names: UGC 1629 Rating: 5 D Position: 0208+1421 Type: Gal Surface brightness: 12.7 Class: Sb Dimensions: 1.4' x 0.8' Magnitude: 12.8 PA: 72 Note: SN 2002ea (type IIn) was detected in this galaxy on July 21. Observations: C11 at 98x with broadband filter. Very small and faint; round, with a very gradually brighter middle. An 11m star is 3 min S. Radial velocity (km/sec): +4,418 NGC 821 Other Names: UGC 1631; H I 152 Astronomical League Program: Herschel II Club Rating: 5 D Position: 0208+1100 Type: Gal Surface brightness: 12.7 Class: E6? Dimensions: 1' Magnitude: 12.7 PA: 25 Observations: C8 at 104x. Small and faint; mottled (?) at medium power. A 10m star lies nearby to the N, and an 11m star lies 3 min W. C11 at 98x. Still small and faint, but the dark skies were a great help. Definite mottling at 193x. Distance (LY): 82,000,000 Radial velocity (km/sec): +1,865 Total luminosity (Suns): 4,400,000,000 -8- Zone 156 Zone 156, Map 2 Reference Stars Xi 1 Cet (65 Cet; HD 13611; SAO 110408) Position: 0213+0850 Mag : 4.40 Assumed distance: 362 light years Spectrum : G8 II Color : W Assumed luminosity (suns): 180 Notes: Star A is a spectroscopic binary and an infra-red source. Xi 2 Cet (73 Cet; HD 15318; SAO 110543) Position: 0228+0827 Mag : 4.3 Assumed distance: 176 light years Spectrum : B9 III Color : bW Assumed luminosity (suns): 47 Notes: This star is an infra-red source and a spectroscopic binary. Double Stars Easy STF 198 rej Rating: 3 E HD 12234; SAO 110625 Position: 0200+0641 A B Magnitude 9.18 9.71 Separation PA — — 45.6 + 118 + Year — 1979 Spectra F5 Colors W W Notes: 1879: 45.5 @ 117. 15 measurements. May be optical because Hipparcos gives different distances (255 and 294 light years). -9- Zone 156 Observations: C11 at 115x. h647 Rating: 4 E SAO 110296 Position: 0203+0741 A B Magnitude 9.75 10.67 Separation PA — — 26.5 + 22 - Year — 1991 Spectra M8 V Colors rO ? Notes: 1891: 26.3 @ 37. 14 measurements. The stars have different proper motions. Observations: C8 at 83x. Very faint. Two stars 7 min N badly overpower it. Webb saw them as blood R and G. "Very intense and remarkable." But Burnham did not think the color that striking. Scale model (in which the Sun is the size of a baseball): Diameter: A = 0.60 inches. Separation: AB = 1.28 miles. Distance (LY): 31 Total luminosity (Suns): 0.014 Paloque 30 Position: 0227+0648 A B Magnitude 10.31 10.55 Rating: 4 E Separation PA — — 13.6 + 198 - Notes: 1901: 13.5 @ 199. 3 measurements. Observations: C11 at 115x. - 10 - Year — 1920 Spectra K2 Colors O! W Zone 156 Moderate Bur 8 Rating: 2 M ADS 1801; HD 14562 Position: 0221+0853 A B Magnitude 7.70 8.95 Separation PA — — 1.5 + 223 + Year — 1998 Spectra F0 Colors W W Notes: 1875: 1.0 @ 200. 55 measurements. Observations: C11 at 634x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 8.40 inches. Separation: AB = 1.22 miles. Distance (LY): 520 Total luminosity (Suns): 23 Deep Sky Objects Difficult NGC 864 Other Names: UGC 1736; H III 457 Rating: 5 D Position: 0216+0600 Type: Gal Surface brightness: 13.6 Class: SAB(rs)c Dimensions: 3' Magnitude: 12.0 PA: 20 Observations: C8 at 104x. Faint. Note the 12m star about 40" from the center. Model (where the Sun is a baseball): Its diameter would be 19 million miles. - 11 - Zone 156 Distance (LY): 69,000,000 Radial velocity (km/sec): +1,646 Luminosity (suns): 6,000,000,000 Zone 156, Map 3 Reference Star Mu Cet (87 Cet; HD 17094; SAO 110723) Position: 0245+1006 Mag : 4.26 Assumed distance: 84 light years Spectrum : F1 III-IV Color : W Assumed luminosity (suns): 10.6 Notes: This star is a spectroscopic binary and posible Delta Sct variable. Double Stars Easy STF 287 Rating: 3 E ADS 2008; HD 16480 Position: 0239+1451 A B Magnitude 7.11 9.57 Separation PA — — 6.8 + 74 = Year — 1991 Spectra F7 IV Colors O R Notes: 1830: 6.6 @ 74. 24 measurements. The stars show similar proper motions. Observations: C8 at 280x. It is the midpoint on the hypotenuse of a triangle made of 8m-9m-10m stars. - 12 - Zone 156 Scale model (in which the Sun is the size of a baseball): Diameter: A = 4.20 inches. Separation: AB = 6.69 miles. Distance (LY): 630 Total luminosity (Suns): 54 A. G. 56 Rating: 3 E ADS 2195; SAO 93161 Position: 0253+1040 A B Magnitude 9.65 9.70 Separation PA — — 7.4 + 287 -? Year — 1994 Spectra G5 G0 Colors W W? Notes: 1893: 6.8 @ 109. 24 measurements. The stars share common proper motion. Quadrant reversal? Observations: C8 at 104x. Bur 1315 Leavenworth 16; ADS 2011; HD 16497; SAO 93035 Position: 0239+1429 A B C Magnitude 8.39 10.35 9.64 Separation — 1.6 + 81.7 + PA — 129 57 = Year — 1991 1979 Rating: 4 E Spectra F5 IV Colors W W bW Notes: AB 1903: 1.5 @ 131. 28 measurements. AC 1898: 76.5 @ 57. 9 measurements. C displays a different proper motion than A. It also has a 14.10m companion. Observations: C8 at 280x. - 13 - Zone 156 Scale model (in which the Sun is the size of a baseball): Diameter: A = 8.33 inches. Separation: AB = 2.10 miles; AC = 107 miles. Distance (LY): 840 Total luminosity (Suns): 36 h655 Rating: 4 E HD 17383; SAO 93110 Position: 0248+1014 A B Magnitude 9.06 10.63 Separation PA — — 23.8 = 309 + Year — 1991 Spectra F5 Colors W O? Notes: 1891: 23.8 @ 307. 18 measurements. May be optical because Hipparcos gives different distances (435 and 292 light years). Observations: C11 at 115x. A. G. 54 Position: 0250+1205 A B Magnitude 9.77 10.34 Rating: 4 E Separation PA — — 29.9 2= Year — 1991 Spectra F8 Colors W W Notes: 1895: 30.0 @ 2. 19 measurements. The stars share common proper motion but Hipparcos gives different distances (103 and 87 light years). Observations: C8 at 104x. - 14 - Zone 156 A. G. 57 Rating: 4 E ADS 2203; SAO 93165 Position: 0254+1219 A B Magnitude 9.89 11.53 Separation PA — — 16.1 +! 346 - Year — 1991 Spectra G0 Colors W R? Notes: 1895: 10.5 @ 348. 1950: 13.7 @ 353. 10 measurements. Analysis of the proper motions of the two stars shows that 7.0" change in separation is due to PM only, so this pair has a high probability of being optical. Observations: C11 at 115x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 3.45 inches. Separation: AB = 5.35 miles. Distance (LY): 213 Total luminosity (Suns): 0.479 A. G. 59 Rating: 4 E HD 18381; SAO 93206 Position: 0258+1420 A B Magnitude 9.65 10.41 Separation PA — — 27.8 +! 90 + Year — 1991 Spectra K0 Colors Y W Notes: 1893: 24.5 @ 89. 7 measurements. May be optical because Hipparcos gives different distances (71 and 30 light years). Observations: C11 at 115x. - 15 - Zone 156 Moderate A. G. 48 Heintz 443 (C); ADS 2045 Position: 0241+1123 A B C Magnitude 10.29 10.51 12.70 Rating: 3 M Separation — 3.3 1.8 PA — 217 + 126 Year — 1998 1987 Spectra F0 Colors W W No Notes: AB 1893: 3.5 @ 215. 14 measurements. AC 1 measurement. Observations: C11 at 193x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 5.70 inches. Separation: AB = 4.00 miles; AC = 2.19 miles. Distance (LY): 780 Total luminosity (Suns): 7 Deep Sky Objects Difficult NGC 1134 Other Names: H II 254; UGC 2365; Arp 200 Rating: 5 D Position: 0254+1300 Type: Gal Class: S Surface brightness: 12.6 Dimensions: 2.5' x 1' Observations: C8 at 104x. Soft nucleus only. Distance (LY): 160,000,000 Radial velocity (km/sec): +3,640 Magnitude: 12.1 PA: 148 Total luminosity (Suns): 29,000,000,000 - 16 - Zone 156 Zone 156, Map 4 Double Stars Easy Nu Cet 78 Cet; STF 281; ADS 1971; HD 16161; SAO 110635 Position: 0236+0535 A B Magnitude 4.87 9.08 Separation PA — — 8.1 + 81 - Year — 1972 Rating: 1 E Spectra G8 III F7 Colors Y! dB! Notes: 1831: 7.7 @ 83. 35 measurements. Star A is a spectroscopic binary and an infra-red source. The system belongs to the Sirius Group. The stars share proper motion. Observations: C8 at 104x. Webb saw them as Y, W. Scale model (in which the Sun is the size of a baseball): Diameter: A = 60.0 inches; B = 6.50 inches. Separation: AB = 4.70 miles. Distance (LY): 372 Total luminosity (Suns): 123 OSS 30 Rating: 3 E HD 16500; SAO 110658 Position: 0239+0855 A B Magnitude 7.67 9.69 Separation PA — — 67.8 215 + - 17 - Year — 1999 Spectra A0 Colors W oW Zone 156 Notes: 1875: 68.7 @ 214. 19 measurements. The stars have different proper motions. Observations: C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 6.00 inches. Separation: AB = 78.3 miles. Distance (LY): 740 Total luminosity (Suns): 46 Paloque 31 Position: 0231+0504 A B Magnitude 9.82 11.02 Rating: 4 E Separation PA — — 26.9 + 329 - Year — 1991 Spectra Colors Y W Notes: 1897: 26.4 @ 334. 14 measurements. Observations: C11 at 115x. Distance (LY): 243 Total luminosity (Suns): 0.73 h652 Rating: 4 E ADS 1939 Position: 0233+0935 A B Magnitude 9.27 10.10 Separation PA — — 4.3 315 = Notes: 1879: 4.5 @ 315. 20 measurements. - 18 - Year — 1963 Spectra G5 Colors yO W Zone 156 Observations: C11 at 115x. STF 309 rej Rating: 4 E HD 17416; SAO 110750 Position: 0248+0551 A B Magnitude 9.72 11.04 Separation PA — — 25.7 + 9+ Year — 1991 Spectra A2 Colors W W Notes: 1891: 25.6 @ 8. 14 measurements. May be optical because Hipparcos gives different distances (276 and 165 light years). Observations: C11 at 115x. STF 313 Rating: 5 E ADS 2163; HD 17613; SAO 110777 Position: 0250+0856 A B Magnitude 8.74 8.80 Separation PA — — 5.6 + 194 + Year — 1991 Spectra F8 Colors W W Notes: 1831: 5.4 @ 191. 21 measurements. The stars share common proper motion. Observations: C8 at 206x. - 19 - Zone 156 Moderate STF 323 Rating: 1 M ADS 2193; HD 17907; SAO 110807 Position: 0253+0628 A B Magnitude 7.11 7.18 Separation PA — — 2.7 + 279 - Year — 1997 Spectra B9 Colors B W Notes: 1830: 2.6 @ 283. 56 measurements. Observations: C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 4.74 inches. Separation: AB = 3.45 miles. Distance (LY): 820 Total luminosity (Suns): 98 STF 323 Observed with C11 on 10/18/03; s5, t5 Magnification: 339x A. G. 55 Rating: 3 M HD 17664 Position: 0250+0641 A B C Magnitude 9.93 10.28 10.26 Separation — 2.4 47.6 - PA — 49 = 178 + Notes: AB 1901: 2.5 @ 49. 8 measurements. AC 1895: 49.6 @ 177. 7 measurements. - 20 - Year — 1999 1955 Spectra G0 Colors W W W Zone 156 Observations: C11 at 339x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 18.8 inches. Separation: AB = 1,742 feet; AC = 6.68 miles. Distance (LY): 90 Total luminosity (Suns): 0.164 A. G. 45 Rating: 4 M ADS 2029 Position: 0240+0753 A B Magnitude 10.34 10.40 Separation PA — — 4.6 + 339 + Year — 1997 Spectra G5 Colors yO W Notes: 1897: 3.7 @ 335. 13 measurements. Observations: C11 at 115x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 22.0 inches. Separation: AB = 1,848 feet. Distance (LY): 50 Total luminosity (Suns): 0.033 Paloque 32 Rating: 5 M SAO 110636 Position: 0236+0653 A B Magnitude 5.83 11.33 Separation PA — — 164.5 109 = Notes: 1912: 164.8 @ 109. 5 measurements. - 21 - Year — 1929 Spectra K0 V dM6 Colors Y ? Zone 156 Star A is a spectroscopic binary with a 60 year period (Martin and Ianna, 1975). There is also an invisible companion of 0.12 solar masses. Observations: C8 at 104x. Difficult STF 334 Rating: 2 D ADS 2261; HD 18570; SAO 110883 Position: 0259+0639 A B Magnitude 7.93 8.40 Separation PA — — 1.1 310 - Year — 1998 Spectra F0 V Colors W W Notes: 1830: 1.6 @ 323. 94measurements. Observations: C8 at 280x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 11.5 inches. Separation: AB = 3,432 feet. Distance (LY): 377 Total luminosity (Suns): 18 STF 276 Rating: 4 D ADS 1940; SAO 110599 Position: 0233+0619 A B Magnitude 9.55 9.57 Separation PA — — 1.9 272 + Notes: 1830: 2.3 @ 253. 50 measurements. Observations: C8 at 280x. - 22 - Year — 1999 Spectra G5 Colors Y Y Zone 156 Zone 156 Mini-Catalog Double Stars Designation Position Rating Map Nu Cet 0236+0535 1E 4 STF 224 0211+1341 2E 1 STF 198 rej 0200+0641 3E 2 OSS 27 0227+1033 3E 1 STF 287 0239+1451 3E 3 OSS 30 0239+0855 3E 4 A. G. 56 0253+1040 3E 3 STF 206 0203+1122 4E 1 h647 0203+0741 4E 2 Paloque 24 0209+1203 4E 1 STF 237 0218+1027 4E 1 Paloque 30 0227+0648 4E 2 Paloque 31 0231+0504 4E 4 h652 0233+0935 4E 4 Bur 1315 0239+1429 4E 3 STF 309 rej 0248+0551 4E 4 h655 0248+1014 4E 3 A. G. 54 0250+1205 4E 3 A. G. 57 0254+1219 4E 3 A. G. 59 0258+1420 4E 3 Paloque 23 0204+1006 5E 1 A. G. 33 0211+1219 5E 1 A. G. 39 0226+1433 5E 1 Component A B A B A B A B C A B A B A B A B A B 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 A B A B - 23 - Mag 4.87 9.08 7.63 8.90 9.18 9.71 6.70 8.31 11.76 7.11 9.57 7.67 9.69 9.65 9.70 8.83 10.08 9.75 10.67 10.64 11.71 9.47 9.77 10.20 10.31 10.55 9.82 11.02 9.27 10.10 8.39 10.35 9.64 9.72 11.04 9.06 10.63 9.77 10.34 9.89 11.53 9.65 10.41 9.23 11.32 8.94 11.05 9.19 11.54 Separation — 8.1 + — 6.0 + — 45.6 + — 72.9 62.0 — 6.8 + — 67.8 — 7.4 + — 31.3 = — 26.5 + — 15.4 — 14.6 = 68.5 + — 13.6 + — 26.9 + — 4.3 — 1.6 + 81.7 + — 25.7 + — 23.8 = — 29.9 — 16.1 +! — 27.8 +! — 25.7 + — 47.0 + — 20.6 - PA — 81 — 244 + — 118 + — 32 + 62.0 — 74 = — 215 + — 287 -? — 134 = — 22 — 213 = — 237 68.5 + — 198 — 329 — 315 = — 129 81.7 + — 9+ — 309 + — 2= — 346 — 90 + — 296 + — 318 — 354 - Zone 156 Designation Position Rating Map STF 313 0250+0856 5E 4 STF 323 0253+0628 1M 4 Bur 8 0221+0853 2M 2 STF 261 0225+1130 2M 1 A. G. 48 0241+1123 3M 3 A. G. 55 0250+0641 3M 4 A. G. 45 0240+0753 4M 4 h21 0207+1028 5M 1 Paloque 32 0236+0653 5M 4 STF 334 0259+0639 2D 4 STF 276 0233+0619 4D 4 Component A B A B A B A B A B C A B C A B A B A B A B A B Mag 8.74 8.80 7.11 7.18 7.70 8.95 8.64 8.66 10.29 10.51 12.70 9.93 10.28 10.26 10.34 10.40 7.74 12.50 5.83 11.33 7.93 8.40 9.55 9.57 Separation — 5.6 + — 2.7 + — 1.5 + — 2.8 — 3.3 1.8 — 2.4 47.6 — 4.6 + — 26.5 + — 164.5 — 1.1 — 1.9 - PA — 194 + — 279 — 223 + — 251 + — 217 + 1.8 — 49 = 47.6 — 339 + — 4 +! — 109 = — 310 — 272 + Deep Space Object NGC 877 NGC 820 NGC 821 NGC 864 NGC 1134 Position 0218+1433 0208+1421 0208+1100 0216+0600 0254+1300 Rating 5M 5D 5D 5D 5D Map 1 1 1 2 3 Type Gal (SAB(rs)bc) Gal (Sb) Gal (E6?) Gal (SAB(rs)c) Gal (S) - 24 - Specifications Surface Mag Br 12.5 13.1 12.8 12.7 12.7 12.7 12.0 13.6 12.1 12.6 Population