Zone 91, Master Map Normal View +44°00' Zone Master, Normal View, 10 deg FOV c +42°00' e Ursa Major +40°00' Leo Minor d +36°00' f +38°00' Lynx α 10h 00m 09h 48m 09h 36m 09h 24m 09h 12m 09h 00m Zone 91, Map 1 Normal Image +45°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. h1164 Espin 2632 A 1762 h1165 NGC 2712 NGC 2776 STF 1358 +44°00' Espin 1148 STF 3120 +43°00' STF 1352 rej STF 1289 +42°00' STF 1320 A 1985 NGC 2798 Ursa Major OS 566 +41°00' Barton 101 NGC 2782 STF 1369 09h 36m Espin 1541 09h 30m 09h 24m 09h 18m 09h 12m A G 160 09h 06m 09h 00m 08h 54m Zone 91, Map 1 Mirror Image h1164 Espin 2632 NGC 2712 NGC 2776 A 1762 h1165 +45°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. STF 1358 +44°00' Espin 1148 STF 1320 A 1985 NGC 2798 +42°00' STF 1352 rej +43°00' STF 3120 STF 1289 Ursa Major OS 566 +41°00' Barton 101 NGC 2782 Espin 1541 08h 54m 09h 00m A G 160 09h 06m 09h 12m 09h 18m 09h 24m 09h 30m 09h 36m Zone 91, Map 2 Normal Image +40°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. NGC 2782 STF 1369 Espin 1541 Leo Minor h2499 A. G. 168 +39°00' A. G. 160 STF 1344 Espin 298 +38°00' A. G. 164 +37°00' STF 1338 38 Lyn STF 1339 +36°00' Espin 296 h2483 Kustner 97 STF 1333 NGC 2778 Espin 299 09h 30m STF 1296 Bpm 126 NGC 2859 09h 24m 09h 18m 09h 12m 09h 06m 09h 00m Zone 91, Map 2 Mirror Image +40°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. NGC 2782 Espin 1541 Leo Minor +39°00' A. G. 160 STF 1344 Espin 298 A. G. 168 +38°00' A. G. 164 +37°00' STF 1338 38 Lyn STF 1339 +36°00' Espin 296 h2483 Kustner 97 STF 1333 NGC 2778 STF 1296 Bpm 126 09h 00m 09h 06m 09h 12m 09h 18m NGC 2859 09h 24m Espin 299 09h 30m Zone 91, Map 3 Normal Image Espin 2632 h5478 A 1762 +45°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. +44°00' STF 1358 h1172 STF 1352 rej STF 1376 +43°00' Weisse 22 +41°00' A 1985 +42°00' A 2141 Leo Minor OS 205 STF 1369 10h 06m 10h 00m 09h 54m 09h 48m 09h 42m 09h 36m 09h 30m 09h 24m Zone 91, Map 3 Mirror Image A 1762 Espin 2632 +45°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. h5478 +44°00' STF 1358 h1172 +43°00' STF 1352 rej STF 1376 +42°00' A 2141 +41°00' A 1985 Leo Minor OS 205 STF 1369 09h 24m 09h 30m 09h 36m 09h 42m 09h 48m 09h 54m 10h 00m 10h 06m Zone 91, Map 4 Normal Image +40°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. STF 1369 +39°00' Lynx STF 1374 A. G. 168 +37°00' +38°00' h2499 h2509 Hough 369 +36°00' h3318 NGC 2955 Kustner 97 h2507 10h 00m 09h 54m 09h 48m 09h 42m 09h 36m 09h 30m Zone 91, Map 4 Mirror Image +40°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. STF 1369 +39°00' Lynx STF 1374 Espin 298 h2499 +37°00' +38°00' A. G. 168 h2509 +36°00' Hough 369 NGC 2955 Kustner 97 h2507 09h 30m 09h 36m 09h 42m 09h 48m 09h 54m 10h 00m Zone 91 Index 22 Double Stars, 4 Galaxies Flamsteed K 38 Lyn ...................................................... 10 Kustner 97 ............................................... 15 A N A 1985........................................................ 5 NGC 2712.................................................. 6 NGC 2776.................................................. 7 NGC 2782.................................................. 6 NGC 2798.................................................. 5 E Espin 1148 ................................................. 2 Espin 1541 ............................................... 11 Espin 296 ................................................... 8 S STF 1320 ................................................... 3 STF 1333 ................................................... 9 STF 1338 ................................................. 12 STF 1339 ................................................. 11 STF 1344 ................................................... 8 STF 1352 rej.............................................. 3 STF 1358 ................................................... 2 STF 1369 ................................................. 14 STF 1374 ................................................. 16 STF 1376 ................................................. 13 H h1165 .......................................................... 4 h1172 ........................................................ 13 h2483 .......................................................... 9 h2499 ........................................................ 15 h2507 ........................................................ 17 h2509 ........................................................ 16 -1- Zone 91 Zone 91, Map 1 Double Stars Easy Espin 1148 ADS 7290; HD 80043 Rating: 3 E Position: 0919+4438 A B Magnitude 10.14 10.54 Separation PA — — 5.7 + 31 + Year — 1991 Spectra G0 Colors Y bW Notes: 1893: 5.2 @ 29. 7 measurements. Observations: C11 at 115x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 19.0 inches. Separation: AB = 4,752 feet. Distance (LY): 102 Total luminosity (Suns): 0.124 STF 1358 ADS 7403; HD 82040; SAO 42901 Rating: 3 E Position: 0931+4441 A B Magnitude 7.68 9.10 Separation PA — — 23.9 174 + Year — 1999 Spectra M Colors O! B! Notes: 1831: 24.4 @ 153. L 20 measurements. The stars have different proper motions. -2- Zone 91 Observations: C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 53.3 inches. Separation: AB = 58.9 miles. Distance (LY): 1,580 Total luminosity (Suns): 245 STF 1320 ADS 7241; HD 79095; SAO 42754 Rating: 4 E Position: 0913+4220 A B Magnitude 9.49 10.68 Separation PA — — 11.9 + 216 + Year — 1991 Spectra G5 Colors yW O Notes: 1830: 11.5 @ 215. 11 measurements. Observations: C11 at 115x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 21.1 inches. Separation: AB = 16.9 miles. Distance (LY): 910 Total luminosity (Suns): 13.8 STF 1352 rej Sinachopoulos 44 (C); SAO 42884 Rating: 4 E Position: 0929+4318 A B C Magnitude 10.57 11.98 14.10 Separation — 21.0 + 74 PA — 352 + 123 -3- Year — 1991 1989 Spectra G0 Colors yW W? No Zone 91 Notes: AB 1893: 18.2 @ 346. 4 measurements. AC 1 measurement. Observations: C11 at 115x. C was never detected. Scale model (in which the Sun is the size of a baseball): Diameter: A = 19.4 inches. Separation: AB = 4.42 miles; AC = 15.5 miles. Distance (LY): 135 Total luminosity (Suns): 0.111 Moderate h1165 HD 79551; SAO 42781 Rating: 3 M Position: 0916+4456 A B Magnitude 8.75 12.00 Separation PA — — 26.7 + 118 + Year — 1991 Notes: 1908: 24.7 @ 116. 4 measurements. Observations: C8 at 104x. It is the NW vertex of a 9m right triangle. Scale model (in which the Sun is the size of a baseball): Diameter: A = 20.3 inches. Separation: AB = 37.9 miles. Distance (LY): 910 Total luminosity (Suns): 21 -4- Spectra G5 Colors W W Zone 91 Difficult A 1985 ADS 7398; HD 81939; SAO 42893 Rating: 3 D Position: 0930+4216 A B Magnitude 7.91 9.00 Separation PA — — 1.4 + 26 - Year — 1998 Spectra F5 Colors W W Notes: 1909: 0.8 @ 35. 40 measurements. Observations: C8 at 697x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 13.0 inches. Separation: AB = 4,171 feet. Distance (LY): 362 Total luminosity (Suns): 8 Deep Sky Objects Moderate NGC 2798 Other Names: H II 708, UGC 4905 Rating: 3 M Position: 0917+4201 Type : Gal Surface brightness: 13.0 Class: SB(s)a pec Dimensions: 2.8' x 0.9' Observations: C8 at 104x. Extremely bright nucleus and bright bar. -5- Magnitude : 12.3 PA: 160 Zone 91 Model (where the Sun is a baseball): Its diameter would be 31 million miles. Distance (LY): 117,000,000 Radial velocity (km/sec): +1,726 Luminosity (suns): 13,000,000,000 NGC 2782 Other Names: Arp 215, H I 167, UGC 4862 Astronomical League Program: Herschel 400 Club Rating: 5 M Position: 0914+4007 Type : Gal Surface brightness: 14.1 Class: SAB(rs)a Dimensions: 4' x 3' Magnitude : 12.4 Notes: This is a Seyfert galaxy and undergoing starburst activity. There is evidence that it is currently in the midst of a merger. SN 1994ak (type IIn) was discovered in this galaxy on December 24. Observations: C8 at 65x. A faint halo that surrounds a bright stellar nucleus. A 9.2m star (SAO 42762) lies 8 min NNE. It is flanked (about 25 min each side) by 7.9m SAO 42748 to the NW and 8.3m SAO 61349 to the SE. Distance: 110,000,000 light years Radial velocity (km/sec): +2,562 Luminosity: 10,400,000,000 Suns Difficult NGC 2712 Other Names: UGC 4708 Rating: 5 D Position: 0900+4455 Type : Gal Surface brightness: 13.7 Class: SB(r)b: Dimensions: 2' x 1' -6- Magnitude : 12.7 PA: 178 Zone 91 Observations: C8 at 65x. It is faint, but fortunately located in a weak field. The axis runs N-S and the nucleus, though small, is bright. Distance: 81,000,000 light years Radial velocity (km/sec): +1,849 Luminosity: 4,300,000,000 Suns NGC 2776 Other Names: UGC 4838 Rating: 5 D Position: 0912+4457 Type : Gal Surface brightness: 13.9 Class: SAB(rs)c Dimensions: 3.3' Magnitude : 12.0 Observations: C8 at 65x. A 7.6m star 11 minSW (SAO 42735) is tough on the view. This is a delicate object, and shows a fuzzy disk, with a slight brightening at the center. Distance: 110,000,000 light years Radial velocity (km/sec): +2,626 Luminosity: 15,100,000,000 Suns -7- Zone 91 Zone 91, Map 2 Double Stars Easy STF 1344 ADS 7332; HD 80902; SAO 61441 Rating: 3 E Position: 0924+3908 A B Magnitude 8.51 9.09 Separation PA — — 3.7 + 105 - Year — 1998 Spectra F2 Colors W W Notes: 1830: 3.6 @ 107. 20 measurements. Observations: C11 at 115x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 12.0 inches. Separation: AB = 2.50 miles. Distance (LY): 434 Total luminosity (Suns): 9.22 Espin 296 ADS 7230; HD 78993; SAO 61330 Rating: 4 E Position: 0912+3621 A B C Magnitude 8.85 12.09 10.99 Separation — 20.5 + 86.7 - PA — 173 340 + Notes: AB 1906: 19.9 @ 174. 2 measurements. AC 1914: 87.2 @ 339. 3 measurements. -8- Year — 1913 1991 Spectra A0 Colors W W W Zone 91 B has a 13.4m companion at 2.0 @ 126 (1924). Observations: C8 at 104x. h2483 Rating: 5 E Position: 0912+3608 A B Magnitude 10.34 11.64 Separation PA — — 15.4 195 + Year — 1991 Spectra F5 Colors W W Notes: 1880: 15.5 @ 194. 9 measurements. Observations: C11 at 115x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 14.8 inches. Separation: AB = 1.63 miles. Distance (LY): 68 Total luminosity (Suns): 0.034 Moderate STF 1333 ADS 7286; SAO 61387 Rating: 2 M Position: 0918+3522 A B Magnitude 6.66 6.77 Separation PA — — 1.8 + 49 + Year — 1997 Spectra A8 V Colors Y Y Notes: 1828: 1.4 @ 39. Over 100 measurements. The stars have common proper motion. -9- Zone 91 Observations: C8 at 206x. Some observers see colors of Y and B. Scale model (in which the Sun is the size of a baseball): Diameter: A = 6.30 inches. Separation: AB = 1.40 miles. Distance (LY): 500 Total luminosity (Suns): 131 38 Lyn STF 1334; ADS 7292; HD 80081; SAO 61391 Astronomical League Program: Double Star Club Rating: 3 M Position: 0919+3648 A B C D Magnitude 3.82 6.17 10.80 10.70 Separation — 2.6 78.9 -! 172.7 - PA — 227 217 + 261 + Year — 1998 1992 1992 Spectra A1 IV A4 V Colors W R W W Notes: AB 1820: 2.8 @ 239. Over 100 measurements. Star A is a spectroscopic binary. BC 1909: 87.7 @ 213. 3 measurements. BD 1879: 177.9 @ 256. 3 measurements. Observations: C8 at 206x. Some observers report G and B for A/B, or W and B. Webb saw them as gW and B. Scale model (in which the Sun is the size of a baseball): Diameter: A = 9.00 inches; B = 7.80 inches. Separation: AB = 2,587 feet; AC = 15.0 miles; AD = 32.9 miles. Distance (LY): 122 Total luminosity (Suns): 34.9 - 10 - Zone 91 STF 1339 ADS 7308; HD 80442; SAO 61412 Rating: 4 M Position: 0921+3643 A B Magnitude 9.15 9.89 Separation PA — — 1.4 + 66 - Year — 1991 Spectra A2 Colors W O Notes: 1828: 1.2 @ 74. 25 measurements. Observations: C11 at 339x. Espin 1541 ADS 7322 Rating: 5 M Position: 0922+3959 A B Magnitude 10.43 11.40 Separation PA — — 7.8 21 Notes: 1 measurement. Observations: C11 at 98x. - 11 - Year — 1916 Spectra Colors yO W? Zone 91 Difficult STF 1338 ADS 7307; HD 80441; SAO 61411 Rating: 4 D Position: 0921+3811 A B C Magnitude 6.79 7.09 11.40 Separation — 1.0 10.0 -!! PA — 285 +! 167 = Year — 1999 1986 Spectra F3 V F3 V Colors Y Y ? Notes: AB 1829: 1.8 @ 121. Over 100 measurements. The orbital period is given as 219.7 years (Starikova, 1966) to 389.09 years (Arend, 1953), semi-major axis of 1.52", direct motion. AC 1879: 143.4 @ 167. 3 measurements. Observations: C8 at 697x Some observers report W and W. Scale model (in which the Sun is the size of a baseball): Diameter: A = 4.80 inches; B = 11.4 inches. Separation: AB = 1,267 feet; AC = 2.43 miles. Distance (LY): 156 Total luminosity (Suns): 11.1 - 12 - Zone 91 Zone 91, Map 3 Double Stars Easy STF 1376 ADS 7503; HD 84237; SAO 43015 Rating: 2 E Position: 0945+4314 A B C Magnitude 8.22 8.29 13.40 Separation — 5.2 + 68.9 PA — 310 332 Year — 1998 1913 Spectra F5 V Colors W W Notes: AB 1828: 5.0 @ 316. 47 measurements. AC 1 measurement. Observations: C8 at 65x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 4.35 inches. Separation: AB = 2.84 miles; AC = 37.7 miles. Distance (LY): 351 Total luminosity (Suns): 8 h1172 ADS 7528; HD 85015; SAO 43062 Rating: 5 E Position: 0950+4400 A B Magnitude 8.44 11.61 Separation PA — — 14.1 = 273 + Notes: 1893: 14.1 @ 271. 4 measurements. - 13 - Year — 1915 Spectra F5 II Colors W W Zone 91 Observations: C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 4.50 inches. Separation: AB = 3.41 miles. Distance (LY): 155 Total luminosity (Suns): 0.9 Zone 91, Map 4 Double Stars Easy STF 1369 ADS 7438; HD 82780; SAO 42931 Rating: 2 E Position: 0935+3958 A B C Magnitude 6.76 8.08 8.38 Separation — 25.0 + 116.8 - PA — 149 + 323 - Year — 1991 1991 Spectra F2 V G0 V Colors W V B Notes: AB 1831: 24.7 @ 147. 29 measurements. Star A is a spectroscopic binary with a 1.6815 day period. Hipparcos/Tycho data show different distances for these stars; they may be optical. However, the stars show similar proper motion. AC 1824: 118.2 @ 324. 22 measurements. Observations: C8 at 83x. - 14 - Zone 91 Scale model (in which the Sun is the size of a baseball): Diameter: A = 5.10 inches; B = 17.0 inches. Separation: AB = 10.8 miles; AC = 50.3 miles; Aa = 9 inches. Distance (LY): 276 Total luminosity (Suns): 16.8 Kustner 97 Rating: 5 E Position: 0932+3531 A B Magnitude 10.20 11.17 Separation PA — — 42.0 2- Year — 1984 Spectra F8 Colors yW W Notes: 1901: 44.7 @ 6. 6 measurements. Observations: C11 at 98x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 16.9 inches. Separation: AB = 14.9 miles. Distance (LY): 227 Total luminosity (Suns): 0.54 h2499 Ali 845 Rating: 5 E Position: 0934+3826 A B Magnitude 9.36 10.66 Separation PA — — 1.0 + 317 + Year — 1928 Spectra Notes: 1917: 9.9 @ 316. 2 measurements. Schembor measures 1926.28, 290.4@, 31.73". 1900: 09 28.2 / +38 51. - 15 - Colors W ? Zone 91 Observations: C11 at 115x. Distance (LY): 36 Total luminosity (Suns): 0.024 h2509 Rating: 5 E Position: 0953+3712 A B Magnitude 10.73 11.87 Separation PA — — 14.7 + 66 - Year — 1931 Spectra Colors W ? Notes: 1906: 14.3 @ 67. 3 measurements. Observations: C11 at 115x. Distance (LY): 118 Total luminosity (Suns): 0.075 Moderate STF 1374 ADS 7477; HD 83698; SAO 61629 Rating: 2 M Position: 0941+3857 A B C Magnitude 6.91 8.26 12.00 Separation — 2.8 299.9 PA — 307 + 10 Year — 1998 1921 Spectra G2 IV Colors O! B! No Notes: AB 1828: 3.3 @ 275. Over 100 measurements. The stars share common proper motion. AC 1 measurement. Observations: C8 at 206x. Webb saw them as Y and B! - 16 - Zone 91 Scale model (in which the Sun is the size of a baseball): Diameter: A = 8.70 inches. Separation: AB = 3,590 feet; AC = 73.0 miles. Distance (LY): 156 Total luminosity (Suns): 4 h2507 HD 84541; SAO 61679 Rating: 5 M Position: 0947+3522 A B Magnitude 9.24 12.61 Separation PA — — 40.3 168 Year — 1989 Notes: 1 measurement. Observations: C11 at 98x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 14.0 inches. Separation: AB = 41.5 miles. Distance (LY): 660 Total luminosity (Suns): 7.20 - 17 - Spectra F5 Colors W ? Zone 91 Zone 91 Mini-Catalog Double Stars Designation Position Rating Map STF 1369 0935+3958 2E 4 STF 1376 0945+4314 2E 3 Espin 1148 0919+4438 3E 1 STF 1344 0924+3908 3E 2 STF 1358 0931+4441 3E 1 Espin 296 0912+3621 4E 2 STF 1320 0913+4220 4E 1 STF 1352 rej 0929+4318 4E 1 h2483 0912+3608 5E 2 Kustner 97 0932+3531 5E 4 h2499 0934+3826 5E 4 h1172 0950+4400 5E 3 h2509 0953+3712 5E 4 STF 1333 0918+3522 2M 2 STF 1374 0941+3857 2M 4 h1165 0916+4456 3M 1 38 Lyn 0919+3648 3M 2 STF 1339 0921+3643 4M 2 Espin 1541 0922+3959 5M 2 h2507 0947+3522 5M 4 Component A B C A B C A B A B A B A B C A B A B C A B A B A B A B A B A B A B C A B A B C D A B A B A B - 18 - Mag 6.76 8.08 8.38 8.22 8.29 13.40 10.14 10.54 8.51 9.09 7.68 9.10 8.85 12.09 10.99 9.49 10.68 10.57 11.98 14.10 10.34 11.64 10.20 11.17 9.36 10.66 8.44 11.61 10.73 11.87 6.66 6.77 6.91 8.26 12.00 8.75 12.00 3.82 6.17 10.80 10.70 9.15 9.89 10.43 11.40 9.24 12.61 Separation — 25.0 + 116.8 — 5.2 + 68.9 — 5.7 + — 3.7 + — 23.9 — 20.5 + 86.7 — 11.9 + — 21.0 + 74 — 15.4 — 42.0 — 1.0 + — 14.1 = — 14.7 + — 1.8 + — 2.8 299.9 — 26.7 + — 2.6 78.9 -! 172.7 — 1.4 + — 7.8 — 40.3 PA — 149 + 116.8 — 310 68.9 — 31 + — 105 — 174 + — 173 86.7 — 216 + — 352 + 74 — 195 + — 2— 317 + — 273 + — 66 — 49 + — 307 + 299.9 — 118 + — 227 78.9 -! 172.7 — 66 — 21 — 168 Zone 91 Designation Position Rating Map A 1985 0930+4216 3D 1 STF 1338 0921+3811 4D 2 Component A B A B C Mag 7.91 9.00 6.79 7.09 11.40 Separation — 1.4 + — 1.0 10.0 -!! PA — 26 — 285 +! 10.0 -!! Deep Sky Objects Object NGC 2782 NGC 2712 NGC 2776 Position 0914+4007 0900+4455 0912+4457 Rating 5M 5D 5D Map 1 1 1 Type Gal (SAB(rs)a) Gal (SB(r)b:) Gal (SAB(rs)c) - 19 - Specifications Surface Mag Br 12.4 14.1 12.7 13.7 12.0 13.9 Population