Zone 273, Master Map Normal View Zone Master, Normal View, 10 deg FOV -24°00' Aquarius -26°00' Sculptor Piscis Austrinus -28°00' α Fomalhaut ζ e µ γ δ No Map -30°00' ι c d -32°00' δ κ1 γ -34°00' κ2 ε π -36°00' θ Grus β No Map -38°00' f υ Phoenix ν φ 00h 32m 00h 24m 00h 08m 00h 00m 23h 44m 23h 36m 23h 28m 23h 20m 23h 04m 22h 56m 22h 48m 22h 40m 22h 32m Zone 273, Map 1 Normal Image h5393 Piscis Austrinus -26°00' Sculptor -25°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. Cordoba 255 -27°00' Stone 59 -28°00' Howe 63 NGC 7513 -29°00' NGC 7507 23h 30m 23h 25m 23h 20m 23h 15m 23h 10m 23h 05m 23h 00m Zone 273, Map 1 Mirror Image -25°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. h5393 -26°00' Piscis Austrinus Sculptor Cordoba 255 -27°00' Stone 59 -28°00' Howe 63 NGC 7513 -29°00' NGC 7507 Alpha PsA 23h 00m 23h 05m 23h 10m 23h 15m 23h 20m 23h 25m 23h 30m Zone 273, Map 2 Normal Image -25°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. See 493 -26°00' h5423 Cordoba 273 h5417 Bos 618 Dunlop 253 -27°00' h3199 -28°00' Cordoba 259 h3228 δ Delta Scl -29°00' See 497 See 498 h5429 00h 00m 23h 55m 23h 50m 23h 45m 23h 40m 23h 35m 23h 30m Zone 273, Map 2 Mirror Image -25°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. See 493 -26°00' h5423 h5417 Bos 618 Dunlop 253 Cordoba 259 h3228 δ Delta Scl -28°00' -27°00' h3199 -29°00' See 497 See 498 h5429 23h 30m 23h 35m 23h 40m 23h 45m 23h 50m 23h 55m 00h 00m Zone 273, Map 3 Normal Image -31°00' -30°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. -32°00' Howe 93 µ -34°00' -33°00' NGC 7793 00h 00m 23h 55m 23h 50m 23h 45m 23h 40m 23h 35m 23h 30m Zone 273, Map 3 Mirror Image -31°00' -30°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. -32°00' Howe 93 µ -34°00' -33°00' NGC 7793 23h 30m 23h 35m 23h 40m 23h 45m 23h 50m 23h 55m 00h 00m Zone 273, Map 4 Normal Image -36°00' -35°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. -37°00' See 489 Sculptor Phoenix 00h 00m 23h 55m 23h 50m 23h 45m 23h 40m 23h 35m 23h 30m -39°00' -38°00' β Zone 273, Map 4 Mirror Image -36°00' -35°00' Sky charts generated by TheSky Software; used by permission of Software Bisque Inc. -37°00' See 489 -39°00' -38°00' β 23h 30m 23h 35m 23h 40m 23h 45m 23h 50m 23h 55m 00h 00m Zone 273 18 Double Stars, 3 Galaxies B h5423 ................................................... 12 h5429 ..................................................... 7 Howe 63................................................. 3 Howe 93............................................... 12 Bos 618 .................................................. 8 C Cordoba 255 .......................................... 2 Cordoba 259 .......................................... 7 N NGC 7507 .............................................. 4 NGC 7513 .............................................. 4 NGC 7793 ............................................ 13 D Delta Scl .............................................. 11 Dunlop 253 ............................................ 5 S H See 489................................................. 14 See 493................................................. 10 See 497................................................. 10 See 498................................................... 9 Stone 59 ................................................. 3 h3199 ..................................................... 9 h3228 ..................................................... 8 h5393 ..................................................... 2 h5417 ..................................................... 6 -1- Zone 273 Zone 273, Map 1 Double Stars Easy Cordoba 255 Rating: 3 E ADS 16623 Position: 2315-2639 A B Magnitude 9.56 9.91 Separation PA — — 3.1 = 138 - Year — 1973 Spectra F7 V Colors W W Notes: 1897: 3.1 @ 140. 14 measurements. May be optical because Hipparcos gives different distances (105 and 189 light years). Observations: C11 at 115x. h5393 Rating: 4 E HD 219731; SAO 191806 Position: 2318-2500 A B Magnitude 8.63 11.57 Separation PA — — 19.1 + 315 + Notes: 1836: 15.0 @ 313. 7 measurements. This is a true binary system. Observations: C11 at 115x. -2- Year — 1991 Spectra G0 V Colors Y W Zone 273 Scale model (in which the Sun is the size of a baseball): Diameter: A = 3.45 inches. Separation: AB = 13.2 miles. Distance (LY): 443 Total luminosity (Suns): 5.78 Howe 63 Rating: 5 E ADS 16728; HD 220455; SAO 191872 Position: 2324-2717 A B Magnitude 7.75 11.00 Separation PA — — 6.7 = 268 + Year — 1991 Spectra A0 V Colors bW ? Notes: 1877: 6.7 @ 267. 11 measurements. Observations: C8 at 83x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 9.00 inches. Separation: AB = 6.16 miles. Distance (LY): 590 Total luminosity (Suns): 21 Moderate Stone 59 Rating: 3 M ADS 16767 Position: 2328-2641 A B Magnitude 9.07 9.62 Separation PA — — 1.5 213 - Notes: 1876: 1.6 @ 218. 22 measurements. -3- Year — 1991 Spectra F7 V Colors W W Zone 273 Observations: C11 at 339x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 3.90 inches. Separation: AB = 1.15 miles. Distance (LY): 492 Total luminosity (Suns): 12.3 Deep Sky Objects Difficult NGC 7513 Other Names: PGC 70714 Rating: 5 D Position: 2313-2822 Type: Gal Surface brightness: 13.3 Class: (R')SB(s)b pec Dimensions: 3.2' x 2.1' Magnitude: 11.4 PA: 108 Observations: C11 at 193x. Almost stellar and uniform nucleus with a very small halo (in somewhat hazy skies). It lies 2 min N of a wide pair (10m, 11m). Distance (LY): 70,000,000 Radial velocity (km/sec): +1,564 Total luminosity (Suns): 10,600,000,000 NGC 7507 Other Names: H II 2, PGC 70676 Astronomical League Program: Herschel II Club Rating: 5 D Position: 2313-2832 Type: Gal Surface brightness: 12.9 Class: E0 Dimensions: 1' -4- Magnitude: 12.0 PA: 109 Zone 273 Observations: C8 at 104x. It forms the baseline of a triangle with an 8m star and a 10m star. Model (where the Sun is a baseball): Its diameter would be 9.7 million miles. Distance (LY): 104,000,000 Radial velocity (km/sec): +1,684 Luminosity (suns): 13,500,000,000 Zone 273, Map 2 Double Stars Easy Dunlop 253 Lalande 192; ADS 17090; HD 223991; SAO 192231 Rating: 1 E Position: 2354-2703 A B Magnitude 6.69 7.50 Separation PA — — 7.0 = 269 + Year — 1950 Notes: Star A is a spectroscopic binary. First measure 6.8 @ 268. Observations: C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 8.40 inches; B = 11.3 inches. Separation: AB = 3.28 miles. Distance (LY): 301 Total luminosity (Suns): 22 -5- Spectra A2 V F2 V Colors W O Zone 273 Dunlop 253 Observed with C8 on 11/4/99; s7, t8 Magnification: 104x h5417 Rating: 3 E ADS 16963; HD 222872; SAO 192116 Position: 2344-2616 A B Magnitude 6.23 9.00 Separation PA — — 8.2 + 319 - Year — 1991 Notes: 1836: 8.0 @ 327. 21 measurements. Observations: C8 at 104x. Rich field to the S. Scale model (in which the Sun is the size of a baseball): Diameter: A = 4.35 inches. Separation: AB = 2.84 miles. Distance (LY): 222 Total luminosity (Suns): 12.7 -6- Spectra F5 V Colors Y R Zone 273 h5429 Rating: 4 E HD 223934; SAO 192224 Position: 2354-2924 A B Magnitude 7.42 11.58 Separation PA — — 30.1 + 226 + Year — 1989 Spectra M0 III Colors O ? Notes: 1834: 25.0 @ 221. 10 measurements. Observations: C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 63.0 inches. Separation: AB = 150 miles. Distance (LY): 3,200 Total luminosity (Suns): 920 Cordoba 259 Rating: 5 E ADS 16959 Position: 2344-2711 A B Magnitude 9.01 9.65 Separation PA — — 6.3 = 161 + Year — 1993 Notes: AB 1912: 6.3 @ 159. 17 measurements. Observations: C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 17.9 inches. Separation: AB = 2,900 feet. Distance (LY): 56 Total luminosity (Suns): 0.09 -7- Spectra G0 Colors W W Zone 273 h3228 Position: 2358-2756 A B Magnitude 9.44 10.60 Rating: 5 E Separation PA — — 14.1 + 183 -!! Year — 1989 Spectra G0 Colors W W Notes: 1830: 10.0 @ 336. 8 measurements. Observations: C11 at 115x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 18.4 inches. Separation: AB = 2,640 feet. Distance (LY): 23 Total luminosity (Suns): 0.009 Moderate Bos 618 Rating: 3 M ADS 17014 Position: 2348-2624 A B C Magnitude 9.55 12.70 10.00 Separation — 3.8 + 12.1 - PA — 88 = 170 = Notes: AB 1925: 3.7 @ 88. 2 measurements. AC 1925: 12.2 @ 170. 2 measurements. Observations: C11 at 339x. -8- Year — 1931 1931 Spectra G1 V Colors Y W? B Zone 273 Scale model (in which the Sun is the size of a baseball): Diameter: A = 8.70 inches. Separation: AB = 1.29 miles; AC = 4.13 miles. Distance (LY): 219 Total luminosity (Suns): 0.97 See 498 Rating: 4 M ADS 17071; HD 223761; SAO 192209 Position: 2352-2822 A B Magnitude 9.64 11.64 Separation PA — — 4.4 + 175 = Year — 1991 Spectra F7 V Colors W W? Notes: 1896: 3.9 @ 178. 11 measurements. Observations: C11 at 193x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 3.90 inches. Separation: AB = 7.41 miles. Distance (LY): 1,080 Total luminosity (Suns): 15 h3199 Rating: 5 M HD 221417; SAO 191977 Position: 2332-2643 A B Magnitude 9.40 12.90 Separation PA — — 31.6 211 + Notes: 1830: 35.0 @ 205. 3 measurements. -9- Year — 1965 Spectra G8/K0 IV Colors Y W Zone 273 Observations: C11 at 115x. See 493 Rating: 5 M ADS 16883; HD 222134; SAO 192048 Position: 2338-2513 A B C BC Magnitude 8.95 12.15 11.90 Separation PA — — 45.0 + 220 + 2.0+ Year — 1991 1926 Spectra G1 V Colors W ? No 269+ Notes: AB 1897: 36.5 @ 206. 7 measurements. BC 1897: 1.8 @ 263. 3 measurements. Observations: C11 at 115x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 8.70 inches. Separation: AB = 21.6 miles; BC = 5,070 feet. Distance (LY): 308 Total luminosity (Suns): 2.18 See 497 Rating: 5 M ADS 17055; HD 223698 Position: 2352-2820 A B Magnitude 8.14 11.09 Separation PA — — 5.3 + 69 = Notes: 1896: 5.1 @ 69. 6 measurements. - 10 - Year — 1991 Spectra G8/K0 III Colors Y W? Zone 273 Observations: C11 at 115x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 46.2 inches. Separation: AB = 10.1 miles. Distance (LY): 1,220 Total luminosity (Suns): 69 Difficult Delta Scl h3216 (C); Bur 1013; ADS 17021; HD 223352; SAO 192167 Rating: 3 D Position: 2349-2808 A B C Magnitude 4.60 11.50 9.08 Separation — 3.5 + 74.1 - PA — 250 + 296 - Year — 1964 1985 Spectra A0 V G Notes: AB 1881: 3.4 @ 228. 10measurements. AC 1830: 80.0 @ 301. 12 measurements. Common proper motion. This star is a member of the Pleiades group. Observations: C8 at 206x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 9.00 inches; C = 20.7 inches. Separation: AB = 4,120 feet; AC = 16.5 miles. Distance (LY): 143 Total luminosity (Suns): 23.74 - 11 - Colors Y ? W Zone 273 h5423 Rating: 5 D ADS 17029; HD 223466; SAO 192180 Position: 2350-2520 A B Magnitude 6.44 11.07 Separation PA — — 13.6 307 - Year — 1944 Spectra A3 V Colors W ? Notes: 1836: 15.0 @ 314. 8 measurements. Observations: C8 at 206x. A moderately rich field lies off to the S. Scale model (in which the Sun is the size of a baseball): Diameter: A = 8.10 inches. Separation: AB = 8.40 miles. Distance (LY): 396 Total luminosity (Suns): 34.44 Zone 273, Map 3 Double Stars Easy Howe 93 Rating: 4 E HD 222004; SAO 214659 Position: 2337-3152 A B Magnitude 6.51 8.39 Separation PA — — 5.5 = 251 + - 12 - Year — 1991 Spectra K0 III Colors ? ? Zone 273 Notes: 1877: 5.5 @ 250. 20 measurements. Observations: C8 at 206x. Scale model (in which the Sun is the size of a baseball): Diameter: A = 46.2 inches. Separation: AB = 6.26 miles. Distance (LY): 730 Total luminosity (Suns): 130 Deep Sky Objects Difficult NGC 7793 Other Names: PGC 73049 Rating: 5 D Position: 2358-3235 Type: Gal Surface brightness: 13.6 Class: SA(s)d Dimensions: 6' x 4' Magnitude: 9.7 PA: 83 Notes: Discovered in 1850 by Bond with the 26-inch WNO refractor, and he likened it to a comet. Observations: C8 at 104x. Large and faint, with a NE-SW axis. Note the 12m star nearby. Distance (LY): 9,000,000 Radial velocity (km/sec): +292 Total luminosity (Suns): 2,100,000,000 - 13 - Zone 273 Zone 273, Map 4 Double Stars Moderate See 489 Rating: 5 M HD 221609; SAO 214624 Position: 2334-3616 A B Magnitude 7.20 11.50 Separation PA — — 19.9 145 + Year — 1966 Spectra F3 V Colors W ? Notes: 1896: 20.0 @ 144. 7 measurements. Observations: C8 at 206x. Star B is difficult to see. This pair lies 15 min SW of the galaxy IC 5332. Scale model (in which the Sun is the size of a baseball): Diameter: A = 4.80 inches. Separation: AB = 5.77 miles. Distance (LY): 186 Total luminosity (Suns): 3.7 - 14 - Zone 273 Zone 273 Mini-Catalog Double Stars Designation Position Rating Map Dunlop 253 2354-2703 1E 2 Cordoba 255 2315-2639 3E 1 h5417 2344-2616 3E 2 h5393 2318-2500 4E 1 Howe 93 2337-3152 4E 3 h5429 2354-2924 4E 2 Howe 63 2324-2717 5E 1 Cordoba 259 2344-2711 5E 2 h3228 2358-2756 5E 2 Stone 59 2328-2641 3M 1 Bos 618 2348-2624 3M 2 See 498 2352-2822 4M 2 h3199 2332-2643 5M 2 See 489 2334-3616 5M 4 See 493 2338-2513 5M 2 See 497 2352-2820 5M 2 Delta Scl 2349-2808 3D 2 h5423 2350-2520 5D 2 Component 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 A B C BC A B A B C A B - 15 - Mag 6.69 7.50 9.56 9.91 6.23 9.00 8.63 11.57 6.51 8.39 7.42 11.58 7.75 11.00 9.01 9.65 9.44 10.60 9.07 9.62 9.55 12.70 10.00 9.64 11.64 9.40 12.90 7.20 11.50 8.95 12.15 11.90 8.14 11.09 4.60 11.50 9.08 6.44 11.07 Separation — 7.0 = — 3.1 = — 8.2 + — 19.1 + — 5.5 = — 30.1 + — 6.7 = — 6.3 = — 14.1 + — 1.5 — 3.8 + 12.1 — 4.4 + — 31.6 — 19.9 — 45.0 + PA — 269 + — 138 — 319 — 315 + — 251 + — 226 + — 268 + — 161 + — 183 -!! — 213 — 88 = 12.1 — 175 = — 211 + — 145 + — 220 + 2.0+ — 5.3 + — 3.5 + 74.1 — 13.6 - 269+ — 69 = — 250 + 74.1 — 307 - Zone 273 Deep Space Objects Specifications Object NGC 7513 NGC 7507 NGC 7793 Position 2313-2822 2313-2832 2358-3235 Rating 5D 5D 5D Map 1 1 3 Type Gal ((R')SB(s)b pec) Gal (E0) Gal (SA(s)d) - 16 - Mag 11.4 12.0 9.7 Surface Br 13.3 12.9 13.6 Pop