Zone 202, Master Map Normal View Pisces -06°00' -04°00' Zone Master, Normal View, 10 deg FOV Cetus -08°00' c e φ2 30 min φ1 φ3 -12°00' φ4 -10°00' ι d -14°00' f 01h 04m 00h 56m 00h 48m 00h 40m 00h 32m 00h 24m 00h 16m 00h 08m 00h 00m Zone 178, Map 1 Normal Image Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. Schjellerup 1 -05°00' A. G. 298 -06°00' STF 15 -07°00' Pisces -08°00' Bur 731 h1025 00h 30m 00h 25m 00h 20m Iota Cet -09°00' ι 00h 15m 00h 10m 00h 05m 00h 00m Zone 178, Map 1 Mirror Image Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. -05°00' A. G. 298 -06°00' Schjellerup 1 STF 15 -07°00' Pisces -08°00' Bur 731 h1025 00h 00m 00h 05m 00h 10m 00h 15m 00h 20m -09°00' Iota Cet ι 00h 25m 00h 30m Zone 178, Map 2 Normal Image -10°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. Gallo 300 -11°00' 3 Cet -12°00' Gallo 299 STF 14 -14°00' -13°00' Harvard 7 STF 3065 rej Gallo 11 00h 30m 00h 25m 00h 20m 00h 15m 00h 10m 00h 05m 00h 00m Zone 178, Map 2 Mirror Image -10°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. Gallo 300 -11°00' 3 Cet -12°00' Gallo 299 STF 14 -14°00' -13°00' Harvard 7 STF 3065 rej Gallo 11 00h 00m 00h 05m 00h 10m 00h 15m 00h 20m 00h 25m 00h 30m Zone 178, Map 3 Normal Image NGC 145 -07°00' -06°00' NGC 268 -05°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. STF 49 -08°00' NGC 337 STF 68 NGC 157 -09°00' NGC 270 Gallo 304 NGC 151 NGC 309 01h 00m 00h 55m h1995 00h 50m 00h 45m NGC 217 00h 40m NGC 163 h1981 00h 35m 00h 30m Zone 178, Map 3 Mirror Image NGC 145 -05°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. -07°00' -06°00' NGC 268 -08°00' STF 49 STF 68 NGC 157 -09°00' NGC 270 Gallo 304 NGC 151 h1981 00h 30m h1995 NGC 217 NGC 163 00h 35m 00h 40m 00h 45m NGC 309 00h 50m 00h 55m 01h 00m Zone 178, Map 4 Normal Image NGC 309 h1995 h1981 NGC 163 φ1 -11°00' φ2 NGC 217 Gallo 302 φ4 -10°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. φ3 h1980 -13°00' -12°00' NGC 246 -14°00' NGC 210 NGC 178 Gallo 303 01h 00m 00h 55m 00h 50m 00h 45m 00h 40m 00h 35m 00h 30m Zone 178, Map 4 Mirror Image NGC 163 NGC 309 φ1 φ2 -11°00' h1981 h1995 NGC 217 -10°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. Gallo 302 φ3 h1980 φ4 -13°00' -12°00' NGC 246 -14°00' NGC 210 NGC 178 Gallo 303 00h 30m 00h 35m 00h 40m 00h 45m 00h 50m 00h 55m 01h 00m Zone 202 1 Reference Star, 19 Double Stars, 1 Planetary Nebula, 10 Galaxies Flamsteed N 3 Cet....................................................... 5 NGC 145 .............................................. 11 NGC 151 .............................................. 11 NGC 157 .............................................. 12 NGC 163 .............................................. 17 NGC 178 .............................................. 18 NGC 210 .............................................. 17 NGC 217 .............................................. 18 NGC 246 .............................................. 16 NGC 268 .............................................. 12 NGC 270 .............................................. 13 NGC 309 .............................................. 13 B Bur 731 .................................................. 3 G Gallo 11 ................................................. 7 Gallo 299 ............................................... 8 Gallo 300 ............................................... 6 Gallo 302 ............................................. 14 Gallo 303 ............................................. 15 Gallo 304 ............................................. 10 S H Schjellerup 1 .......................................... 2 STF 14.................................................... 7 STF 15.................................................... 2 STF 3065 rej .......................................... 5 STF 49.................................................... 8 STF 68.................................................... 9 h1025 ..................................................... 3 h1980 ................................................... 15 h1981 ................................................... 14 h1995 ................................................... 10 Harvard 7 ............................................... 6 I Iota Cet .................................................. 4 -1- Zone 202 Zone 202, Map 1 Double Stars Easy STF 15 Rating: 3 E ADS 205; HD 1153; SAO 128668 Position: 0016-0537 A B Magnitude 7.48 9.72 Separation PA — — 4.7 + 199 + Year — 1991 Spectra G8 IV Colors Y ? Notes: 1831: 4.6 @ 198. 25 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 = 15.2 inches. Separation: AB = 3.58 miles. Distance (LY): 488 Total luminosity (Suns): 20 Schjellerup 1 Rating: 4 E HD 2307; SAO 128761 Position: 0027-0532 A B Magnitude 9.36 10.38 Separation PA — — 25.1 + 28 = Year — 1991 Spectra F8 Colors W O Notes: 1877: 25.0 @ 28. 11 measurement Hipparcos/Tycho data show different distances for these stars; they may be optical. -2- Zone 202 Observations: C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 0.50 inches. Separation: AB = 28.2 miles. Distance (LY): 720 Total luminosity (Suns): 13 h1025 Rating: 5 E HD 2048; SAO 128747 Position: 0025-0756 A B Magnitude 9.33 12.48 Separation PA — — 23.4 136 = Year — 1921 Spectra F2 Colors W W Notes: 1892: 23.7 @ 135. 5 measurements. Observations: C11 at 115x. Moderate Bur 731 Rating: 4 M ADS 17153 Position: 0000-0748 A B Magnitude 8.68 9.28 Separation PA — — 1.7 + 294 +! Notes: 1878: 1.6 @ 258. 29 measurements. -3- Year — 1999 Spectra G0 Colors W W Zone 202 Observations: C11 at 339x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 17.6 inches. Separation: AB = 1.06 miles. Distance (LY): 403 Total luminosity (Suns): 6.75 Difficult Iota Cet 8 Cet; HD 1522; SAO 128694 Rating: 5 D Position: 0019-0849 A B C Magnitude 3.56 12.10 10.64 Separation — 63.5 + 108.2 - PA — 17 = 192 - Year — 1910 1989 Spectra K2 III Colors Y ? W Notes: AB 1877: 61.9 @ 17. 6 measurements. The primary emits strongly in the infra-red. AC 1897: 110.1 @ 198. 5 measurements. Hipparcos shows the C star to be at a distance of 45 light years. Observations: C8 at 104x. Star B is ultra-difficult in A's glare. Scale model (in which the Sun is the size of a baseball): Diameter: A = 16.4 feet. Separation: AB = 28.7 miles; AC = 49.0 miles. Distance (LY): 290 Total luminosity (Suns): 245.5 -4- Zone 202 Zone 202, Map 2 Reference Star 3 Cet (HD 225212; SAO 147066) Position: 0005-1031 Mag : 4.99 Assumed distance: 1,610 light years Spectrum : K3 Ib Color : O Assumed luminosity (suns): 2,300 Notes: This star is an infra-red source with a vairable spectrum. Double Stars Easy STF 3065 rej Rating: 3 E ADS 92; HD 336; SAO 147096 Position: 0008-1414 A B Magnitude 8.85 8.95 Separation PA — — 9.7 = 290 +? Year — 1991 Notes: 1878: 9.7 @ 108. 36 measurements. Quadrant reversal? Observations: C8 at 83x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 16.5 inches; B = 16.6 inches. Separation: AB = 6.34 miles. Distance (LY): 419 Total luminosity (Suns): 10 -5- Spectra G0 IV? G0 IV? Colors Y B Zone 202 Gallo 300 Position: 0028-1030 A B Magnitude 8.96 9.68 Rating: 4 E Separation PA — — 45.6 181 + Year — 1991 Spectra Colors W rO Notes: 1900: 48.0 @ 175. 6 measurements. Hipparcos/Tycho mission data show different distances for these stars (2,350 and 520 light years); they may be optical. Observations: C8 at 104x. Harvard 7 Rating: 5 E ADS 185; HD 1036; SAO 147171 Position: 0015-1245 A B Magnitude 7.92 10.91 Separation PA — — 7.4 + 7= Year — 1991 Notes: 1867: 7.1 @ 7. 6 measurements. Observations: C11 at 115x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 8.20 feet. Separation: AB = 12.5 miles. Distance (LY): 1,080 Total luminosity (Suns): 66 -6- Spectra K0 IV Colors O W Zone 202 STF 14 Rating: 5 E ADS 206; SAO 147186 Position: 0016-1200 A B Magnitude 8.88 10.76 Separation PA — — 14.5 237 + Year — 1991 Spectra A0 V Colors W ? Notes: 1830: 15.2 @ 236. 17 measurements. Observations: C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 5.96 inches. Separation: AB = 33.0 miles. Distance (LY): 1,460 Total luminosity (Suns): 106 Gallo 11 Rating: 5 E ADS 225 Position: 0017-1427 A B Magnitude 10.11 11.00 Separation PA — — 5.7 319 + Year — 1964 Notes: 1902: 5.8 @ 318. 2 measurements. Observations: C11 at 115x. Distance (LY): 333 Total luminosity (Suns): 1.14 -7- Spectra Colors W W? Zone 202 Moderate Gallo 299 Rating: 5 M HD 1355; SAO 147206 Position: 0018-1113 A B Magnitude 8.84 12.56 Separation PA — — 32.4 122 Year — 1902 Spectra Colors Y ? Notes: 1 measurement. Observations: C11 at 115x. Zone 202, Map 3 Double Stars Easy STF 49 Rating: 3 E ADS 566; HD 3821; SAO 128892 Position: 0041-0714 A B Magnitude 7.02 9.89 Separation PA — — 8.5 +! 321 - Notes: 1830: 4.5 @ 322. 36 measurements. Observations: C11 at 115x. -8- Year — 1991 Spectra G1 V Colors W O Zone 202 Scale model (in which the Sun is the size of a baseball): Diameter: A = 14.7 inches. Separation: AB = 1.11 miles. Distance (LY): 84 Total luminosity (Suns): 0.935 STF 49 Observed with C11 on 10/13/03; s 8, t7 Magnification: 98x STF 68 Rossiter 4160 (B); ADS 706; HD 4987; SAO 128997 Rating: 3 E Position: 0052-0810 A B C Magnitude 8.03 9.80 9.75 Separation — 0.2 7.8 + PA — 154 -! 296 = Notes: AB 1938: 0.4 @ 178. 4 measurements. AC 1830: 7.5 @ 296. 14 measurements. Observations: C11 at 115x. -9- Year — 1980 1991 Spectra G0 IV Colors pY No bW Zone 202 Scale model (in which the Sun is the size of a baseball): Diameter: A = 15.7 inches. Separation: AB = 739 feet; AC = 5.57 miles. Distance (LY): 458 Total luminosity (Suns): 14 Gallo 304 Position: 0040-0855 A B Magnitude 8.74 9.88 Rating: 4 E Separation PA — — 16.4 322 Year — 1905 Spectra Colors O W Notes: 1 measurement. Observations: C11 at 115x. h1995 Rating: 5 E HD 4048; SAO 147415 Position: 0043-0956 A B Magnitude 6.63 9.60 Separation PA — — 39.6 + 136 - Year — 1921 Notes: 1904: 39.0 @ 137. 2 measurements. Observations: C8 at 104x. It lies midway between two 9m stars. Scale model (in which the Sun is the size of a baseball): Diameter: A = 3.60 inches. Separation: AB = 8.22 miles. - 10 - Spectra F8 V Colors W ? Zone 202 Distance (LY): 133 Total luminosity (Suns): 3.4 Deep Sky Objects Difficult NGC 151 Other Names: H II 478; PGC 2035 Astronomical League Program: Herschel II Club Rating: 4 D Position: 0034-0942 Type: Gal Surface brightness: 13.1 Class: SB(r)bc Dimensions: 3' x 1' Magnitude: 12.4 PA: 75 Observations: C8 at 104x. A ghostly NW-SE streak with no details. The field (11m stars, mostly) is sparse. One star (11.5m) is about 2 min E; another (12m) about 5 min S; another lies near the N side. Model (where the Sun is a baseball): It would be 46 by 15 million miles in size. Distance (LY): 163,000,000 Radial velocity (k/s): +3,747 Luminosity (suns): 23,000,000,000 NGC 145 Other Names: Arp 19; PGC 1941 Rating: 5 D Position: 0032-0510 Type: Gal Surface brightness: 13.5 Class: SB(s)dm Dimensions: 2' x 1' Magnitude: 12.7 PA: 135 Observations: C8 at 104x. Just noted with averted vision and tube movement. A 9.0m star lies 4 min ESE. - 11 - Zone 202 NGC 157 Other Names: H II 3; PGC 2081 Astronomical League Program: Herschel 400 Club Rating: 5 D Position: 0035-0824 Type: Gal Surface brightness: 12.7 Class: SAB(rs)bc Dimensions: 3' x 2' Magnitude: 11.1 PA: 40 Observations: C8 at 65x. Very faint. It lies between two 9m stars (one 10 min N, the other 10 min SW). Its axis runs NE-SW. A very dim star (~12m) lies just E of it. Model (where the Sun is a baseball): It would be 18 by 12 million miles in size. Distance (LY): 63,000,000 Radial velocity (km/sec): +1,826 Luminosity (suns): 11,300,000,000 NGC 268 Other Names: H III 463; PGC 2927 Rating: 5 D Position: 0050-0512 Type: Gal Surface brightness: 13.1 Class: SB(s)bc: Dimensions: 2' x 1' Magnitude: 13.1 PA: 105 Observations: C8 at 104x. It was the faintest wisp of light confirmed with averted vision and tube movement. Radial velocity (km/sec): +5,442 - 12 - Zone 202 NGC 270 Other Names: PGC 2938 Rating: 5 D Position: 0051-0839 Type: Gal Dimensions: 1.8' x 1.6' Class: S0+ PA: 25 Magnitude: 12.9 Observations: C11 at 115x. Very small with a star-like nucleus, but a very small halo. Radial velocity (km/sec): +3,773 NGC 309 Other Names: UGC 3377 Rating: 5 D Position: 0057-0955 Type: Gal Surface brightness: 13.6 Class: SAB(r)c Dimensions: 2.4' x 2' Magnitude: 12.5 PA: 175 Observations: C8 at 104x. Very faint but with a stellar nucleus. Distance (LY): 250,000,000 Radial velocity (km/sec): +5,662 Total luminosity (Suns): 49,000,000,000 - 13 - Zone 202 Zone 202, Map 4 Double Stars Easy h1981 Bur 1158; ADS 426; HD 2760; SAO 147317 Rating: 5 E Position: 0031-1006 A B Magnitude 5.99 8.46 Separation PA — — 78.7 88 + Year — 1991 Spectra A3 V G0 V Colors W pB Notes: 1898: 78.9 @ 87. 16 measurements. The stars share common proper motion. However, may be optical because Hipparcos gives different distances (279 and 465 light years). B is a tight visual binary (0.2 @ 242). Observations: C8 at 104x. Moderate Gallo 302 Rating: 5 M HD 2795; SAO 147322 Position: 0031-1113 A B C Magnitude 8.10 11.26 12.00 Separation — 83.1 12.4 PA — 227 138 Notes: Both 1 measurement. - 14 - Year — 1902 1902 Spectra Colors W W? ? Zone 202 Observations: C11 at 115x. Distance (LY): 355 Total luminosity (Suns): 6.14 h1980 Rating: 5 M HD 2819; SAO 147323 Position: 0032-1116 A B Magnitude 8.14 10.71 Separation PA — — 5.8 = 120 - Year — 1991 Spectra G0 V Colors Y O Notes: 1879: 5.8 @ 125. 10 measurements. Observations: C11 at 115x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 3.45 inches. Separation: AB = 1.92 miles. Distance (LY): 212 Total luminosity (Suns): 2.13 Gallo 303 Rating: 5 M HD 3715; SAO 147389 Position: 0040-1418 A B Magnitude 9.55 12.25 Separation PA — — 41.2 + 180 + Notes: 1901: 40.2 @ 171. 4 measurements. Observations: C11 at 115x. - 15 - Year — 1991 Spectra F3 V Colors W ? Zone 202 Scale model (in which the Sun is the size of a baseball): Diameter: A = 4.80 inches. Separation: AB = 75.9 miles. Distance (LY): 1,180 Total luminosity (Suns): 18 Deep Sky Objects Moderate NGC 246 Rating: 4 M Other Names: PK 117-74.1, H V 25; The Skull Nebula; The Cetus Bubble Astronomical League Program: Caldwell Club, Herschel 400 Club Position: 0047-1153 Type: Pn Dimensions: 4' Class: 3b Magnitude: 8.5 Notes: It is only 0.2 light years in diameter. Observations: C8 at 65x. Faint; it magnifies well (where it shows a ring). A foreground star makes seeing it difficult, though. The surface is splotchy and three or four stars seem to be involved in the nebula. Steve Coe says it is like a "doughnut someone took a bite from." Model (where the Sun is a baseball): It would be 64 miles in diameter. Distance (LY): 1,500 Luminosity (suns): 70 - 16 - Zone 202 NGC 210 Other Names: H II 452; PGC 2437 Rating: 5 M Position: 0041-1352 Type: Gal Surface brightness: 13.4 Class: SAB(s)b Dimensions: 4' x 2' Magnitude: 12.0 PA: 160 Notes: Its diameter is 70,000 light years. Observations: C8 at 104x. Faint, but with a bright nucleus. Use high power. It forms a triangle with two 9m stars. An 11m star lies 2 min W. Model (where the Sun is a baseball): It would be 22.5 million miles by 11 million miles in size! Distance (LY): 60,000,000 Radial velocity (km/sec): +1,831 Luminosity (suns): 4,500,000,000 Difficult NGC 163 Other Names: PGC 2149 Rating: 5 D Position: 0036-1007 Type: Gal Surface brightness: 13.4 Class: E0 Dimensions: 1.6' x 1.2' Magnitude: 12.7 PA: 85 Observations: C11 at 98x. Very, very faint and round glow wtihout a nucleus. It lies 1 min S of a 13m star. A nice trio of 10m stars lies to the S. (Okie-Tex Star Party, 2003) Radial velocity (k/s): +5,982 - 17 - Zone 202 NGC 178 Other Names: IC 39; PGC 2349 Rating: 5 D Position: 0039-1410 Type: Gal Surface brightness: 13.2 Class: SB(s)m Dimensions: 2.1' x 0.9' Magnitude: 12.6 PA: 175 Notes: This galaxy is undergoing a burst of star formation. Observations: C11 at 98x. It is a large, faint N-S lozenge without a nucleus. It is framed by a Npointing triangle of 10m,10m and 12m stars. Distance (LY): 100,000,000 Radial velocity (km/sec): +1,449 Total luminosity (Suns): 7,200,000,000 NGC 217 Other Names: PGC 2482, H II 480 Astronomical League Program: Herschel II Club Rating: 5 D Position: 0042-1002 Type: Gal Surface brightness: 13.2 Class: SO/a: sp Dimensions: 4.0' x 2.9' Magnitude: 12.7 Observations: C11 at 98x. Small and faint but with a very bright nucleus. (Okie-Tex Star Party, 2003) Radial velocity (km/sec): +3,946 Sketch, next page. - 18 - Zone 202 NGC 217 Galaxy (s0/a: sp) Observed with C11 on 9/25/03 Magnification: 98x Okie-Tex star Party - 19 - Zone 202 Zone 202 Mini-Catalog Double Stars Designation Position Rating Map STF 3065 rej 0008-1414 3E 2 STF 15 0016-0537 3E 1 STF 49 0041-0714 3E 3 STF 68 0052-0810 3E 3 Schjellerup 1 0027-0532 4E 1 Gallo 300 0028-1030 4E 2 Gallo 304 0040-0855 4E 3 Harvard 7 0015-1245 5E 2 STF 14 0016-1200 5E 2 Gallo 11 0017-1427 5E 2 h1025 0025-0756 5E 1 h1981 0031-1006 5E 4 h1995 0043-0956 5E 3 Bur 731 0000-0748 4M 1 Gallo 299 0018-1113 5M 2 Gallo 302 0031-1113 5M 4 h1980 0032-1116 5M 4 Gallo 303 0040-1418 5M 4 Iota Cet 0019-0849 5D 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 A B A B A B A B A B C A B A B A B C - 20 - Mag 8.85 8.95 7.48 9.72 7.02 9.89 8.03 9.80 9.75 9.36 10.38 8.96 9.68 8.74 9.88 7.92 10.91 8.88 10.76 10.11 11.00 9.33 12.48 5.99 8.46 6.63 9.60 8.68 9.28 8.84 12.56 8.10 11.26 12.00 8.14 10.71 9.55 12.25 3.56 12.10 10.64 Separation — 9.7 = — 4.7 + — 8.5 +! — 0.2 7.8 + — 25.1 + — 45.6 — 16.4 — 7.4 + — 14.5 — 5.7 — 23.4 — 78.7 — 39.6 + — 1.7 + — 32.4 — 83.1 12.4 — 5.8 = — 41.2 + — 63.5 + 108.2 - PA — 290 +? — 199 + — 321 — 154 -! 7.8 + — 28 = — 181 + — 322 — 7= — 237 + — 319 + — 136 = — 88 + — 136 — 294 +! — 122 — 227 12.4 — 120 — 180 + — 17 = 108.2 - Zone 202 Deep Sky Objects Object NGC 246 NGC 210 NGC 151 NGC 145 NGC 157 NGC 163 NGC 178 NGC 217 NGC 268 NGC 270 NGC 309 Position 0047-1153 0041-1352 0034-0942 0032-0510 0035-0824 0036-1007 0039-1410 0042-1002 0050-0512 0051-0839 0057-0955 Rating 4M 5M 4D 5D 5D 5D 5D 5D 5D 5D 5D Map 4 4 3 3 3 4 4 4 3 3 3 Type Pn (3b) Gal (SAB(s)b) Gal (SB(r)bc) Gal (SB(s)dm) Gal (SAB(rs)bc) Gal (E0) Gal (SB(s)m) Gal (SO/a: sp) Gal (SB(s)bc:) Gal (S0+) Gal (SAB(r)c) - 21 - Specifications Surface Mag Br 8.5 12.0 13.4 12.4 13.1 12.7 13.5 11.1 12.7 12.7 13.4 12.6 13.2 12.7 13.2 13.1 13.1 12.9 12.5 13.6 Population