Zone 228, Master Map Normal View -14°00' Zone Master, Normal View, 10 deg FOV -16°00' σ -18°00' c e -20°00' τ1 τ2 Eridanus f Cetus -22°00' υ d τ3 -24°00' κ γ1 ζ 03h 04m 02h 56m 02h 48m 02h 40m 02h 32m 02h 24m 02h 16m 02h 08m 02h 00m Zone 228, Map 1 Normal Image -15°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. Bos 1918 -18°00' -17°00' -16°00' H III 80 -19°00' Hastings 1 02h 30m 02h 25m 02h 20m 02h 15m 02h 10m 02h 05m 02h 00m Zone 228, Map 1 Mirror Image -15°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. Bos 1918 -19°00' Hastings 1 -18°00' -17°00' -16°00' H III 80 02h 00m 02h 05m 02h 10m 02h 15m 02h 20m 02h 25m 02h 30m Zone 228, Map 2 Normal Image h3491 -22°00' h3500 υ See 17 NGC 908 -21°00' -20°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. Aravamudan 1969 -23°00' h3502 h2130 -24°00' κ Innes 454 NGC 922 02h 30m 02h 25m 02h 20m 02h 15m 02h 10m 02h 05m 02h 00m Zone 228, Map 2 Mirror Image h3491 Upsilon Cet See 17 NGC 908 h3500 -22°00' υ -21°00' -20°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. h2103 h3502 -23°00' Aravamudan 1969 AA Cet -24°00' h2130 κ Innes 454 NGC 922 02h 00m 02h 05m 02h 10m 02h 15m 02h 20m 02h 25m 02h 30m Zone 228, Map 3 Normal Image -17°00' -16°00' σ -15°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. -18°00' NGC 1114 Tau 1 Eri -19°00' τ1 03h 00m 02h 55m 02h 50m 02h 45m 02h 40m 02h 35m 02h 30m Zone 228, Map 3 Mirror Image -15°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. -17°00' -16°00' σ -18°00' NGC 1114 -19°00' τ1 Tau 1 Eri 02h 30m 02h 35m 02h 40m 02h 45m 02h 50m 02h 55m 03h 00m Zone 228, Map 4 Normal Image h3533 -20°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. -21°00' h3524 τ2 -23°00' -22°00' h3511 Cetus -24°00' Eridanus γ1 Gamma 1 For South 423 03h 00m 02h 55m 02h 50m 02h 45m 02h 40m 02h 35m 02h 30m Zone 228, Map 4 Mirror Image -20°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. -21°00' h3533 h3524 τ2 -22°00' h3511 -23°00' h3502 -24°00' Cetus Eridanus γ1 Gamma 1 For South 423 02h 30m 02h 35m 02h 40m 02h 45m 02h 50m 02h 55m 03h 00m Zone 228 2 Reference Stars, 15 Double Stars, 3 Galaxies A I Aravamudan 1969.................................. 6 Innes 454................................................ 5 B N Bos 1918 ................................................ 3 NGC 1114 ............................................ 10 NGC 908 ................................................ 8 NGC 922 ................................................ 9 G Gamma 1 For ....................................... 11 S H See 17..................................................... 7 South 423 ............................................. 13 H III 80 .................................................. 2 h2130 ..................................................... 5 h3491 ..................................................... 4 h3500 ..................................................... 6 h3502 ..................................................... 7 h3511 ................................................... 11 h3524 ................................................... 12 h3533 ................................................... 12 Hastings 1 .............................................. 3 T Tau 1 Eri ................................................ 9 U Upsilon Cet ............................................ 4 -1- Zone 228 Zone 228, Map 1 Double Stars Easy H III 80 AB Cet; ADS 1849; HD 15144; SAO 148386 Rating: 1 E Position: 0226-1521 A B C Magnitude 5.88 9.31 10.80 Separation — 12.2 = 108.4 + PA — 296 + 30 + Year — 1991 1970 Spectra A2 Vpv Notes: AB 1783: 12.2 @ 294. 14 measurements. AC 1902: 104.6 @ 29. 6 measurements. A is a variable of the Alpha CVn type and a spectroscopic binary. The entire system is part of the Sirius Group. Observations: C8 at 104x. H III 80 (AB Cet) Observed with C-8 on 11/4/99; s7, t8 Magnification: 100x -2- Colors Y!! B!! ? Zone 228 Moderate Bos 1918 Rating: 4 M HD 14975 Position: 0225-1810 A B Magnitude 8.67 9.60 Separation PA — — 5.2 + 115 + Year — 1991 Spectra G0 Colors Y W Notes: 1916: 5.1 @ 106. 13 measurements. Observations: C8 at 206x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 8.55 inches. Separation: AB = 4.54 miles. Distance (LY): 560 Total luminosity (Suns): 14 Difficult Hastings 1 Rating: 5 D ADS 1733; HD 14001; SAO 148298 Position: 0216-1814 A B Magnitude 7.94 9.37 Separation PA — — 1.7 322 + Year — 1999 Spectra K3 V Colors Y Y Notes: 1879: 2.2 @ 312. 79 measurements. The orbital period is thought to be 173.0 years (Heintz, 1978), with a semi-major axis of 2.01" and direct motion.. Observations: C8 at 280x. -3- Zone 228 Scale model (in which the Sun is the size of a baseball): Diameter: A = 6.60 inches. Separation: AB = 1,023 feet. Distance (LY): 73 Total luminosity (Suns): 0.37 Zone 228, Map 2 Reference Star Upsilon Cet (59 Cet; HD 12274; SAO 167471) Position: 0200-2105 Mag : 4.00 Spectrum : M0 III Color : O Assumed distance: 301 light years Assumed luminosity (suns): 180 Notes: This star radiates in the infra-red as well as the ultraviolet. It is also a member of the Zeta Her group. Double Stars Easy h3491 Rating: 3 E ADS 1742 Position: 0216-2100 A B Magnitude 8.89 9.31 Separation PA — — 6.7 + 289 + Notes: 1835: 5.0 @ 286. 15 measurements. -4- Year — 1991 Spectra G3 V Colors pY W Zone 228 Observations: C11 at 115x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 11.7 inches. Separation: AB = 4.72 miles. Distance (LY): 451 Total luminosity (Suns): 7.4 Innes 454 Rating: 4 E ADS 1652; HD 12889; SAO 167545 Position: 0206-2423 A B C Magnitude 8.55 11.20 8.95 Separation — 1.2 = 56.5 + PA — 147 + 257 = Year — 1991 1991 Spectra G8 V Colors yW No W Notes: AB 1909: 1.2 @ 140. 12 measurements. AC 1897: 56.2 @ 257. 9 measurements. Observations: C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 2.90 inches. Separation: AB = 1,493 feet; AC = 13.3 miles. Distance (LY): 151 Total luminosity (Suns): 1 h2130 Rating: 4 E HD 14483 Position: 0220-2352 A B Magnitude 8.72 8.60 Separation PA — — 42.1 + 288 -? -5- Year — 1991 Spectra K2 III A9 V Colors O W Zone 228 Notes: 1830: 35.0 @ 109. 11 measurements. Quadrant reversal? Hipparcos/Tycho mission data show different distances for these stars (8,400 and 550 light years); they may be optical. Observations: C8 at 104x. Aravamudan 1969 Position: 0225-2245 A B Magnitude 10.73 10.80 Rating: 4 E Separation PA — — 9.8 + 149 + Year — 1991 Spectra G5 Colors W W Notes: 1921: 9.2 @ 144. 2 measurements. Observations: C11 at 115x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 22.5 inches. Separation: AB = 3.71 miles. Distance (LY): 243 Total luminosity (Suns): 0.463 h3500 Rating: 4 E ADS 1848; HD 15146 Position: 0226-2118 A B Magnitude 9.48 9.11 Separation PA — — 15.4 + 165 +? Year — 1991 Notes: 1835: 15.0 @ 342. 14 measurements. Quadrant reversal? The stars share common proper motion. -6- Spectra F5 Colors W W Zone 228 Observations: C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 14.2 inches. Separation: AB = 3.00 miles. Distance (LY): 125 Total luminosity (Suns): 0.5 See 17 Rating: 5 E ADS 1698; HD 13585; SAO 167628 Position: 0212-2104 A B Magnitude 8.64 11.90 Separation PA — — 8.5 358 = Year — 1934 Spectra G8 III Colors Y O Notes: 1897: 9.0 @ 358. 7 measurements. Observations: C11 at 115x. Nice field! Scale model (in which the Sun is the size of a baseball): Diameter: A = 16.3 inches. Separation: AB = 2.20 miles. Distance (LY): 166 Total luminosity (Suns): 0.791 Difficult h3502 Rating: 4 D ADS 1906; HD 15588; SAO 167832 Position: 0230-2241 A B Magnitude 6.76 12.50 Separation PA — — 28.3 + 85 + -7- Year — 1919 Spectra A5 V Colors W ? Zone 228 Notes: 1835: 25.0 @ 84. 3 measurements. Observations: C8 at 206x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 7.00 inches. Separation: AB = 12.4 miles. Distance (LY): 280 Total luminosity (Suns): 11.9 Deep Sky Objects Difficult NGC 908 Other Names: H I 153; PGC 9057 Astronomical League Program: Herschel 400 Club Rating: 2 D Position: 0223-2114 Type: Gal Surface brightness: 13.1 Class: SA(s)c Dimensions: 4' x 1' Magnitude: 11.1 PA: 75 Notes: This galaxy produced SN 1994ai. NGC 908 is a starburst galaxy, one that is undergoing a period of intense star formation. Starburst is usually triggered by interaction with another galaxy. Observations: C8 at 83x. E-W axis, with the S edge being sharply cut off (as if by a dust lane?) and overlayed by a dim star. Model (where the Sun is a baseball): Its diameter would be 24 million miles. Distance (LY): 65,000,000 Radial velocity (km/sec): +1,683 Luminosity (suns): 12,000,000,000 -8- Zone 228 NGC 922 Other Names: H III 239; PGC 9172 Rating: 5 D Position: 0225-2447 Type: Gal Surface brightness: 13.1 Class: SB(s)cd pec Dimensions: 1.5' x 1' Magnitude: 12.3 PA: 172 Notes: This galaxy produced SN 2002gw (type II). Observations: C8 at 104x. It is the barest wisp of light in a faint field. Model (where the Sun is a baseball): Its diameter would be 17 million miles. Distance (LY): 118,000,000 Radial velocity (km/sec): +3,092 Luminosity (suns): 13,200,000,000 Zone 228, Map 3 Reference Star Tau 1 Eri (1 Eri; HD 17206; SAO 148584) Position: 0245-1835 Mag : 4.50 Spectrum : F6 V Color : W Assumed distance: 46 light years Assumed luminosity (suns): 2.63 Notes: Star A is a spectroscopic binary. -9- Zone 228 Deep Sky Objects Difficult NGC 1114 Other Names: NGC 1142 Astronomical League Program: Herschel II Club Rating: 4 D Position: 0249-1700 Type: Gal Class: SA(r)bc I-II Magnitude: 12.8 Surface brightness: 12.8 Dimensions: 1.5' x 0.8' PA: 8 Observations: C11 at 98x. Faint but pronounced object without a defined nucleus. (Okie-Tex Star Party, 2003) Radial velocity (km/sec): +3,462 NGC 1114 Galaxy (SA(r)bc I-II) Observed with C11 on 9/25/03 Magnification: 98x Okie-Tex Star Party - 10 - Zone 228 Zone 228, Map 4 Double Stars Easy Gamma 1 For 3 For; Bur 877; AC=h2161; ADS 2167; HD 17713; SAO 168081 Rating: 4 D Position: 0250-2434 A B C Magnitude 6.14 13.50 10.50 Separation — 12.1 + 40.9 - PA — 145 + 143 - Year — 1954 1954 Spectra K0 III Colors Y ? ? Notes: AB 1880: 11.5 @ 144. 6 measurements. AC 1830: 45.0 @ 169. 8 measurements. Observations: C8 at 83x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 46.0 inches. Separation: AB = 6.85 miles; AC = 23.2 miles. Distance (LY): 363 Total luminosity (Suns): 39.04 h3511 Rating: 2 E ADS 1978; HD 16263; SAO 167903 Position: 0236-2124 A B Magnitude 7.07 8.83 Separation PA — — 14.7 98 + - 11 - Year — 1991 Spectra G8 III Colors pO B Zone 228 Notes: 1835: 19.0 @ 96. 21 measurements. Hipparcos/Tycho mission data show different distances for these stars; (445 and 560 light years) they may be optical. Observations: C8 at 104x. h3524 Rating: 3 E ADS 2079; HD 16994; SAO 167995 Position: 0243-2017 A B Magnitude 7.42 9.85 Separation PA — — 19.7 161 + Year — 1991 Spectra K0 III Colors Y O Notes: 1836: 21.0 @ 133. 19 measurements. Hipparcos/Tycho mission data show different distances for these stars (860 and 316 light years); they may be optical. Observations: C8 at 104x. h3533 Rating: 3 E HD 17700; SAO 168079 Position: 0250-2015 A B Magnitude 7.37 8.16 Separation PA — — 38.1 268 - Year — 1991 Spectra M5 III K0 III Colors Y! W Notes: 1836: 45.0 @ 275. 15 measurements Hipparcos/Tycho mission data show different distances for these stars (4,200 and 1,400 light years); they may be optical. The stars have different proper motions. - 12 - Zone 228 Observations: C8 at 104x. South 423 Rating: 3 E Bur 741 (AB); Hipparcos 379 (CD); ADS 2242; HD 18455; SAO 168181 Position: 0257-2459 A B C D CD Magnitude 8.13 8.22 7.84 11.73 Separation — 1.0 + 28.9 + 5.1 PA — 339 -! 226 + Year — 1999 1991 1991 Spectra K1 V G5 Colors Y No W No 172 Notes: AB 1879: 0.6 @ 158. 60 measurements. The orbital period is 137 years, with semimajor axis of 1.55" and direct motion. AC 1824: 27.8 @ 219. 26 measurements. CD 1 measurement. Observations: C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 35.6 inches; B = 3.0 inches. Separation: AB = 581 feet; AC = 3.29 miles; CD = 2,963 feet. Distance (LY): 73 Total luminosity (Suns): 1.03 - 13 - Zone 228 Zone 228 Mini-Catalog Double Stars Designation Position Rating Map H III 80 0226-1521 1E 1 h3511 0236-2124 2E 4 h3491 0216-2100 3E 2 h3524 0243-2017 3E 4 h3533 0250-2015 3E 4 South 423 0257-2459 3E 4 Innes 454 0206-2423 4E 2 h2130 Aravamudan 1969 0220-2352 4E 2 0225-2245 4E 2 h3500 0226-2118 4E 2 See 17 0212-2104 5E 2 Bos 1918 0225-1810 4M 1 h3502 0230-2241 4D 2 Gamma 1 For 0250-2434 4D 4 Hastings 1 0216-1814 5D 1 Component A B C A B A B A B A B A B C D CD A B C A B A B A B A B A B A B A B C A B Mag 5.88 9.31 10.80 7.07 8.83 8.89 9.31 7.42 9.85 7.37 8.16 8.13 8.22 7.84 11.73 8.55 11.20 8.95 8.72 8.60 10.73 10.80 9.48 9.11 8.64 11.90 8.67 9.60 6.76 12.50 6.14 13.50 10.50 7.94 9.37 Separation — 12.2 = 108.4 + — 14.7 — 6.7 + — 19.7 — 38.1 — 1.0 + 28.9 + PA — 296 + 108.4 + — 98 + — 289 + — 161 + — 268 — 339 -! 28.9 + 5.1 — 1.2 = 56.5 + — 42.1 + — 9.8 + — 15.4 + — 8.5 — 5.2 + — 28.3 + — 12.1 + 40.9 — 1.7 - 172 — 147 + 56.5 + — 288 -? — 149 + — 165 +? — 358 = — 115 + — 85 + — 145 + 40.9 — 322 + Deep Space Objects Object NGC 908 NGC 1114 NGC 922 Position 0223-2114 0249-1700 0225-2447 Rating 2D 4D 5D Map 2 3 2 Type Gal (SA(s)c) Gal (SA(r)bc I-II) Gal (SB(s)cd pec) - 14 - Specifications Surface Mag Br 11.1 13.1 12.8 12.8 12.3 13.1 Population