Zone 258, Master Map Normal View

Transcription

1 Zone Master, Normal View, 10 deg FOV Zone 258, Master Map Normal View Hydra Vela κ ε δ γ Pyxis α ζ β η ρ ξ ο M ' ' ' ' ' ' ' ' ζ Puppis 09h 28m 09h 20m 09h 12m 08h 56m 08h 48m 08h 40m 08h 32m 08h 16m 08h 08m 08h 00m 07h 44m 07h 36m 07h 28m

2 , Map 1 Normal Image Sky charts generated by TheSky Software; used by permission of Software isque Inc. h2449 h4088 Collinder 187 IC 2311 NGC 2566 Howe 22 NGC 2559 Ruprecht 53 os 756 Haffner 21 Stone 18 Dunlop 61 ur 202 h4037 NGC 2527 os 1086 Innes ' ' ' ' ' Ruprecht 50 NGC 2587 Olivier 30 h4024 NGC 2571 NGC 2533 Innes h 30m 08h 25m 08h 20m 08h 15m 08h 10m 08h 05m 08h 00m

3 , Map 1 Mirror Image Sky charts generated by TheSky Software; used by permission of Software isque Inc. Haffner 21 ur 202 h4037 NGC 2527 os 1086 Innes 784 Dunlop 61 os 756 Ruprecht 53 Stone 18 IC 2311 NGC 2566 Howe 22 NGC 2559 Collinder 187 h4088 h ' ' ' ' ' Olivier 30 h4024 Ruprecht 50 NGC 2533 NGC 2571 NGC 2587 Innes h 00m 08h 05m 08h 10m 08h 15m 08h 20m 08h 25m 08h 30m

4 , Map 2 Normal Image Sky charts generated by TheSky Software; used by permission of Software isque Inc. NGC 2580 NGC 2567 ur 454 NGC 2533 Harvard 201 Ruprecht 55 h4046 Innes 788 LDS 201 h ' ' ' ' ' 08h 30m Gilliss 96 08h 25m 08h 20m 08h 15m 08h 10m 08h 05m 08h 00m

5 , Map 2 Mirror Image Sky charts generated by TheSky Software; used by permission of Software isque Inc. h4035 LDS 201 Innes 788 h4046 Ruprecht 55 ur 454 Harvard 201 NGC 2580 NGC ' ' ' ' ' Gilliss 96 08h 00m 08h 05m 08h 10m 08h 15m 08h 20m 08h 25m 08h 30m

6 , Map 3 Normal Image Sky charts generated by TheSky Software; used by permission of Software isque Inc. h4106 Pyxis Vela Gilliss 96 h4093 Dunlop 67 h4063 NGC ' ' ' ' ' ζ 08h 30m 08h 25m 08h 20m 08h 15m 08h 10m 08h 05m 08h 00m

7 , Map 3 Mirror Image Sky charts generated by TheSky Software; used by permission of Software isque Inc. NGC 2546 Dunlop 67 h4063 Gilliss 96 Pyxis Vela h ' ' ' ' ' ζ 08h 00m 08h 05m 08h 10m 08h 15m 08h 20m 08h 25m 08h 30m

8 , Map 4 Normal Image Sky charts generated by TheSky Software; used by permission of Software isque Inc. h2481 Innes 1128 δ h2475 γ Gamma Pyx USNO 3 Harvard 119 os 161 η ur 206 South ' ' ' ' ' ζ Zeta Pyx Cordoba 77 NGC h 00m 08h 55m 08h 50m 08h 45m 08h 40m 08h 35m 08h 30m

9 , Map 4 Mirror Image Sky charts generated by TheSky Software; used by permission of Software isque Inc. South 569 ur 206 η os 161 Harvard 119 γ USNO 3 Gamma Pyx h2475 δ Innes 1128 h ' ' ' ' ' ζ Zeta Pyx NGC 2627 Cordoba 77 08h 30m 08h 35m 08h 40m 08h 45m 08h 50m 08h 55m 09h 00m

10 , Map 5 Normal Image Sky charts generated by TheSky Software; used by permission of Software isque Inc. Cordoba 77 α NGC 2658 NGC 2627 Stone ' ' ' ' ' Gilliss h 00m 08h 55m 08h 50m 08h 45m 08h 40m 08h 35m 08h 30m

11 , Map 5 Mirror Image Sky charts generated by TheSky Software; used by permission of Software isque Inc. NGC 2627 Stone 61 α NGC 2658 Cordoba ' ' ' ' ' Gilliss 101 Gilliss 96 08h 30m 08h 35m 08h 40m 08h 45m 08h 50m 08h 55m 09h 00m

12 , Map 6 Normal Image Sky charts generated by TheSky Software; used by permission of Software isque Inc. β eta Pyx h4106 Pyxis Vela ' ' ' ' ' 09h 00m 08h 55m 08h 50m 08h 45m 08h 40m 08h 35m 08h 30m

13 , Map 6 Mirror Image Sky charts generated by TheSky Software; used by permission of Software isque Inc. Vela h4093 h4106 β eta Pyx ' ' ' ' ' 08h 30m 08h 35m 08h 40m 08h 45m 08h 50m 08h 55m 09h 00m

14 2 Reference Stars, 31 Double Stars, 14 Open Clusters, 3 Galaxies eta Pyx os os ur ur ur C Collinder Cordoba D Dunlop Dunlop G Gamma Pyx Gilliss Gilliss H h h h h h h h h h h h Haffner Harvard Harvard Howe I IC Innes L LDS N NGC NGC NGC NGC NGC NGC NGC NGC NGC NGC NGC R Ruprecht

15 Ruprecht S South Stone Stone U USNO Z Zeta Pyx

16 Zone 258, Map 1 Double Stars Easy h4037 ur 203; DS 6544; HD Rating: 1 E Position: K1 IV Y No C W 1835: measurements. May be optical because Hipparcos gives different distances (1,050 and 680 light years). C 1874: measurements. C8 at 104x. h4024 DS 6515; HD 65945; SO Rating: 3 E Position: G5 III Y = : measurements. C8 at 104x. Moderate field

17 ur 202 DS 6535; HD 66306; SO Rating: 4 E Position: II W ? C ! ? 1874: measurements. C 1874: measurements. C8 at 206x. Scale model (in which the Sun is the size of a baseball): Diameter: = 10.2 inches. Separation: = 65.6 miles; C = 258 miles. Distance (LY): 5,530 Total luminosity (Suns): 5,980 Dunlop 61 os 148; DS 6601; HD 67409; SO Rating: 4 E Position: III W K0 do! 1896: measurements. C8 at 83x

18 Scale model (in which the Sun is the size of a baseball): Diameter: = 10.8 inches; = 25.8 inches. Separation: = 1,184 miles. Distance (LY): 10,900 Total luminosity (Suns): h2449 Position: Rating: 4 E G0 W W 1831: measurements. C11 at 98x. Moderate os 756 HD 67884; SO Rating: 5 M Position: K1 III Y! = 1960 O 1927: measurements. C11 at 98x. Scale model (in which the Sun is the size of a baseball): Diameter: = 2.40 inches. Separation: = 3,432 feet

19 Distance (LY): 100 Total luminosity (Suns): 0.30 Stone 18 DS 6636 Rating: 5 M Position: V W = W 1876: measurements. C8 at 280x. Very, very faint. Scale model (in which the Sun is the size of a baseball): Diameter: = 9.00 inches. Separation: = 1.02 miles. Distance (LY): 194 Total luminosity (Suns): 1.7 Howe 22 Rossiter 1386 (); DS 6729 Rating: 5 M Position: F5 V W ? 1991 W 1877: measurements. Quadrant reversal? C11 at 98x

20 Difficult h4088 DS 6794; HD 70963; SO Rating: 5 D Position: IV W W? C W? 1837: measurements. C 1 measurement. C11 at 98x. Scale model (in which the Sun is the size of a baseball): Diameter: = 12.0 inches. Separation: = 29.0 miles; C = 10.7 miles. Distance (LY): 690 Total luminosity (Suns):

21 Deep Sky Objects Easy NGC 2527 Rating: 3 E Other Names: Collinder 174, H VIII 30 stronomical League Program: Herschel 400 Club, inocular Deep Sky Club Position: Type: Oc Class: II 2m Magnitude: 6.5 Dimensions: 22' Cluster population: 60 It is 1 billion years old and lies 28,500 light years from the galactic center and 60 light years above the galactic plane. The brightest star is 8.6m (200 times brighter than the Sun). C8 at 104x. Note the two parallel doglegs, and three 9m stars on the SE side, in a straight line. The cluster is round, bright and loose. Very rich field. Model (where the Sun is a baseball): Its diameter would be 4,120 miles with stars 525 miles apart. Distance (LY): 1,960 Luminosity (suns): 750 Ruprecht 53 Position: Rating: 5 E Type: Oc Class: IV 2 p Magnitude: 10.0 Dimensions: 18' Cluster population: 40 The cluster is 389 million years old. C11 at 98x. Very loose and poor group with not much of a center. I counted 14 stars on a hazy night with 12-day old moonlight. Distance (LY): 5,540 Total luminosity (Suns):

22 Moderate Ruprecht 50 Position: Rating: 4 M Type: OC Class: II2mb Dimensions: 3.5' Cluster population: 12 C11 at 98x. Small, triangular group of eight stars with a wide spread in magnitude. Very poor object. NGC 2571 Rating: 4 M Other Names: Collinder 181, H VI 39 stronomical League Program: Herschel 400 Club, inocular Deep Sky Club Position: Type: Oc Class: II 3m Magnitude: 7.0 Dimensions: 13' Cluster population: 30 It is 31 million years old and lies 32,000 light years from the galactic center and 250 light years above the galactic plane. The youngest stars are 8 types. The brightest star is 8.8m (1,100 times brighter than the Sun). C8 at 104x. This cluster is faint, rich and round, and has many doubles. Note the wide arc of faint stars about min N. Rich field. Model (where the Sun is a baseball): Its diameter would be 8,400 miles with stars 1,350 miles apart. Distance (LY): 4,370 Luminosity (suns): 2,

23 NGC 2533 Other Names: Collinder 175 Rating: 5 M Position: Type: Oc Class: II 2r Magnitude: 7.6 Dimensions: 3.5' Cluster population: 60 It is 752 million years old and lies 29,600 light years from the galactic center and 100 light years above the galactic plane. The brightest star is 9m (600 times brighter than the Sun). C8 at 104x. Very faint and round. Note the 7m pair 15 min NW. Model (where the Sun is a baseball): Its diameter would be 1,820 miles with stars 230 miles apart. Distance (LY): 11,000 Luminosity (suns): 8,600 Collinder 187 Position: Rating: 5 M Type: Oc Class: III 1 p Magnitude: 9.6 Dimensions: 7' Cluster population: 20 C11 at 193x. I counted only six stars in a double chevron on a hazy night with 12-day old moonlight. NGC 2587 Other Names: Collinder 184 Rating: 5 M Position: Type: Oc Class: III 2m Magnitude: 9.2 Dimensions: 9' Cluster population:

24 C8 at 104x. It looks nebulous, even with averted vision. Difficult Haffner 21 Position: Rating: 4 D Type: Oc Class: II 1p Magnitude: 10.3 Dimensions: 1.1' Cluster population: 20 The brightest star is 12.1m. C8 at 280x. Six extremely faint stars in a tight knot around an 9m star. Distance (LY): 9,620 Total luminosity (Suns): 550 NGC 2559 Other Names: UGC 4458, H III 234 Rating: 4 D Position: Type: Gal Class: S(s)bc pec: Magnitude: 10.9 Surface brightness: 12.8 Dimensions: 3.7' x 1.7' P: 6 This galaxy produced supernova 2002hc (type II). C11 at 193x. In hazy skies lit by a 12 day old moon, it showed up as a fairly bright fuzzy nucleus but no halo. n 11m star is 3 min E. Distance (LY): 59,000,000 Total luminosity (Suns): 11,900,000,000 Radial velocity (km/sec): +1,

25 NGC 2566 Other Names: PGC 23303, H III 288 Rating: 5 D Position: Type: Gal Class: (R')S(r)ab Magnitude: 11.0 Surface brightness: 13.1 Dimensions: 3.4' x 2.3' P: 110 C11 at 193x. Very faint with either a starlike nucleus or a 13m foreground star over it. Distance (LY): 62,000,000 Total luminosity (Suns): 12,000,000,000 Radial velocity (km/sec): +1,637 IC 2311 Other Names: ESO 495-G002 Rating: 5 D Position: Type: Gal Class: E0 Magnitude: 11.5 Surface brightness: 13.0 Dimensions: 2.1' x 1.9' C11 at 98x. Fuzzy star with a moderately bright center. There were five 13m-14m stars in the field. Distance (LY): 98,000,000 Total luminosity (Suns): 18,900,000,

26 Zone 258, Map 2 Double Stars Easy h4035 HD 66598; SO Rating: 3 E Position: K2 III Y : measurements. The primary is an infra-red source. Hipparcos/Tycho mission data show different distances for these stars (520 and 86 light years); they may be optical. The stars have a small difference in proper motion. C8 at 65x. h4046 Innes 189; HD 67243; SO Rating: 3 E Position: G5 Ib W III V C = 1919? 1837: measurements. The stars show similar proper motions. C 1903: measurements

27 C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: = 3.00 inches; = 13.2 inches. Separation: = 116 miles; C = 148 miles. Distance (LY): 3,400 Total luminosity (Suns): 3,436 LDS 201 os 2164 (C); HD 66791; SO Rating: 5 E Position: G3 V Y = 1991 W C ? D No CD : measurements. C 1 measurement. CD 1913: measurements. The stars show similar proper motions. C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: = 3.39 inches. Separation: = 19.2 miles; C = 24.1 miles; CD = 1.64 miles. Distance (LY): 257 Total luminosity (Suns):

28 Moderate ur 454 HD 69445; SO Rating: 4 M Position: G5 III O C No 1877: measurements. C 1 measurement. C8 at 280x. Very rich field. Scale model (in which the Sun is the size of a baseball): Diameter: = 39 inches. Separation: = 1.03 miles; C = 10.4 miles. Distance (LY): 349 Total luminosity (Suns): 32 Difficult Harvard 201 HD 68978; SO Rating: 5 D Position: G2 V yw ? C W 1900: measurements. C 1 measurement

29 C8 at 206x. Scale model (in which the Sun is the size of a baseball): Diameter: = 3.30 inches. Separation: = 2.03 miles; C = 2.47 miles. Distance (LY): 88 Total luminosity (Suns): 1.3 Deep Sky Objects Moderate NGC 2567 Other Names: Melotte 86; Collinder 180; Raab 73, H VII 64 stronomical League Program: Herschel 400 Club Rating: 4 M Position: Type: Oc Class: II 2m Magnitude: 7.4 Dimensions: 10' Cluster population: 50 It is 68 million years old and lies 30,000 light years from the galactic center and 280 light years above the galactic plane. Over 115 stars are members of this group. The brightest star is 10m (240 times brighter than the Sun). C8 at 104x. This cluster is delicate and requires averted vision. nearby 9m star is bothersome. It almost gets lost in the rich field. chain of 9m stars (5 in number) runs N-S and nearly cuts the group in half. Model (where the Sun is a baseball): Its diameter would be 5,240 miles with stars 700 miles apart. Distance (LY): 5,470 Luminosity (suns): 2,

30 NGC 2580 Position: Rating: 5 M Type: Oc Class: II 2m Magnitude: 9.7 Dimensions: 9' Cluster population: 50 Its age may be 158 million years. C8 at 104x. It is small and faint, with a trapezoidal center. Distance (LY): 13,000 Total luminosity (Suns): 1,750 Difficult Ruprecht 55 Position: Rating: 5 D Type: Oc Class: IV 2p Magnitude: 7.8 Dimensions: 17.0' Cluster population: 12 sterism? If not, its age may be 7 million years. The brightest star is 8.6m. C8 at 83x. very poor group; without a list, you'd not know it was an open cluster! Distance (LY): 16,000 Total luminosity (Suns): 15,

31 Zone 258, Map 3 Double Stars Easy Dunlop 67 OS Pup; HD 69081; SO Rating: 3 E Position: IV W IV W 1837: measurements. The primary rotates at 213 km/sec. The secondary is a spectroscopic binary. oth stars are part of the Puppis O3 ssociation. May be optical because Hipparcos gives different distances (1,180 and 1,480 light years). C8 at 104x. h4063 HD 69402; SO Rating: 3 E Position: V W po 1835: measurements. Star is a spectroscopic binary. The stars have different proper motions

32 C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: = 12.0 inches. Separation: = 21.7 miles. Distance (LY): 860 Total luminosity (Suns): 68 h4093 NO Pup; ur 1605; HD 71488; SO Rating: 3 E Position: IV W W 1835: measurements. The stars have different proper motions. The primary is an lgol system. C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: = 11.7 inches; = 5.66 inches. Separation: = 7.71 miles. Distance (LY): 610 Total luminosity (Suns): 140 Gilliss 96 HD 71801; SO Rating: 4 E Position: V W ?

33 1851: measurements. Star is a spectroscopic binary and rotates at 158 kps. C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: = 12.6 inches. Separation: = 38.7 miles. Distance (LY): 1,000 Total luminosity (Suns): 408 Deep Sky Objects Difficult NGC 2546 Other Names: Collinder 178 Rating: 5 D Position: Type: Oc Class: III 2m Magnitude: 6.3 Dimensions: 41' Cluster population: 50 It is 75 million years old and the youngest stars are 0 types. The brightest star is 8.2m (440 times brighter than the Sun). This cluster lies 28,700 light years from the galactic center and 110 light years below the galactic plane. C8 at 83x. It's low latitude makes it a difficult object to see. It is large, coarse, and triangular. bright blue star lies at the N end. Model (where the Sun is a baseball): Its diameter would be 12,670 miles with stars 1,750 miles apart. Distance (LY): 3,300 Luminosity (suns): 2,

34 Zone 258, Map 4 Reference Star Gamma Pyx (HD 75691; SO ) Position: Mag : 4.01 Spectrum : K3 III Color : Y ssumed distance: 209 light years ssumed luminosity (suns): 86 This star is an infra-red source. Double Stars Easy South 569 os 158; DS 6847; HD 72136; SO Rating: 3 E Position: G0 Y O C8 at 83x. Scale model (in which the Sun is the size of a baseball): Diameter: = 16.5 inches. Separation: = 6.40 miles. Distance (LY): 171 Total luminosity (Suns):

35 Zeta Pyx h4120; DS 6923; HD 73898; SO Rating: 3 E Position: G5 III yw ! 61 +! 1980 G0? 1836: measurements. The primary is an infra-red source. The stars share common proper motion. C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: = 39 inches; = 18.0 inches. Separation: = 19.3 miles. Distance (LY): 236 Total luminosity (Suns): 49 USNO 3 HD 75198; SO Rating: 3 E Position: F5 V W F5 W 1877: measurements. The stars share common proper motion. C8 at 83x

36 Scale model (in which the Sun is the size of a baseball): Diameter: = 4.35 inches; = 13.8 inches. Separation: = 5.01 miles. Distance (LY): 127 Total luminosity (Suns): 0.8 os 161 DS 6904 Rating: 4 E Position: F6 IV/V W W 1927: measurements. May be optical because Hipparcos gives different distances (10,870 and 170 light years). C11 at 98x. This pair is the middle star of a five-star chain. Cordoba 77 DS 7108; HD 76740; SO Rating: 4 E Position: F5 yw bw 1920: measurements. C8 at 104x. It is the E vertex of a triangle, with 8.7m SO (NW) and 8.3m SO (SW). C11 at 98x

37 Scale model (in which the Sun is the size of a baseball): Diameter: = 13.1 inches. Separation: = 2.00 miles. Distance (LY): 126 Total luminosity (Suns): 1.60 Moderate Harvard 119 DS 6966 Rating: 5 M Position: m7- W ! 1965 W 1870: measurements. C11 at 98x. h2475 HD 76178; SO Rating: 5 M Position: K1 III Y = 1932 W? 1831: measurements. The Tycho-2 Catalogue indicates a single star entry. C11 at 98x

38 Scale model (in which the Sun is the size of a baseball): Diameter: = 2.40 inches. Separation: = 1.87 miles. Distance (LY): 59 Total luminosity (Suns): 0.09 h2481 DS 7122; HD 76997; SO Rating: 5 M Position: K2/3 III Y W 1831: measurements. C11 at 98x. Difficult ur 206 DS 6887 Rating: 3 D Position: G0 III Y yo 1877: measurements. C8 at 280x

39 Scale model (in which the Sun is the size of a baseball): Diameter: = 32.4 inches. Separation: = a few feet. Distance (LY): Total luminosity (Suns): 160 Innes 1128 DS 7101; HD Rating: 4 D Position: V W = 1991 W 1917: measurements. C11 at 634x. Deep Sky Objects Difficult NGC 2627 Other Names: Melotte 87; Collinder 188; Raab 74, H VII 63 stronomical League Program: Herschel 400 Club Rating: 5 D Position: Type: Oc Class: II 2r Magnitude: 8.4 Dimensions: 11' Cluster population: 70 The brightest star is 11m. The cluster is 368 million years old

40 C8 at 104x. It is faint, delicate, and does not magnify well. It is round and, under high powers, displays a void stripe down the center. Moderate field. Distance (LY): Total luminosity (Suns): 1,500 Zone 258, Map 5 Double Stars Easy Gilliss 101 HD 75199; SO Rating: 2 E Position: K5 III D! IV 1852: measurements. The stars show similar proper motions, although Hipparcos gives different distances (550 and 136 light years). has an 11.7m companion at 272 (199). C8 at 104x. Stone 61 HD 74005; SO Rating: 4 E Position: V W = W

41 1877: measurements. C8 at 206x. n 8.5m star lies 8 min SSW. Scale model (in which the Sun is the size of a baseball): Diameter: = 9.00 inches. Separation: = 11.5 miles. Distance (LY): 1,600 Total luminosity (Suns): 135 Deep Sky Objects Difficult NGC 2658 Other Names: Melotte 90; Collinder 195; Raab 77 Rating: 5 D Position: Type: Oc Class: I 2r Magnitude: 9.2 Dimensions: 12' Cluster population: 80 The brightest star is 12m. The cluster is 1.4 billion years old. C8 at 104x. It is very, very faint and takes high power to resolve. Distance (LY): 6,590 Total luminosity (Suns):

42 Zone 258, Map 6 Reference Star eta Pyx (HD 74006; SO ) Position: Mag : 3.97 Spectrum : G5 III Color : Y Star is a spectroscopic binary. It is also a member of the Sco-Cen ssociation. Double Stars Difficult h4106 Luyten 223; HD 72435; SO Rating: 5 D Position: K0 IV Y ! 305 +! 1997 No C ? 1835: measurements. C 1913: measurements. C8 at 104x. Scale model (in which the Sun is the size of a baseball): Diameter: = 12.0 inches. Separation: = 1.36 miles; C = 15.2 miles. Distance (LY): 203 Total luminosity (Suns):

43 Zone 258 Mini-Catalog Double Stars Designation Position Rating Map Component Mag Separation P h E 1 C Gilliss E h E = 5.83 h E 2 h E 2 Dunlop E 3 h E 3 h E 3 South E 4 Zeta Pyx E 4 USNO E 4 ur E 1 Dunlop E 1 h E 1 Gilliss E 3 os E 4 Stone E 5 Cordoba E 4 LDS E 2 ur M 2 C C C D CD C ! ! = ! ! =

44 Designation Position Rating Map Component Mag Separation P os M = Stone M = Howe M ? Harvard M ! h M = h M ur D Innes D = Harvard D 2 C h D 1 h D 6 C C ! ! Deep Space Objects Specifications Surface Object Position Rating Map Type Mag r Population NGC E 1 Oc (II 2m) Ruprecht E 1 Oc (IV 2 p) Ruprecht M 1 Oc (II2mb) 12 NGC M 2 Oc (II 2m) NGC M 1 Oc (II 3m) NGC M 1 Oc (II 2r) NGC M 2 Oc (II 2m) NGC M 1 Oc (III 2m) Collinder M 1 Oc (III 1 p) Haffner D 1 Oc (II 1p) NGC D 1 Gal (S(s)bc pec:) Ruprecht D 2 Oc (IV 2p) NGC D 3 Oc (III 2m) NGC D 1 Gal ((R')S(r)ab) IC D 1 Gal (E0) NGC D 4 Oc (II 2r) NGC D 5 Oc (I 2r)