Zone 187, Master Map
+06°00'
Normal View
Zone Master, Normal View, 10 deg FOV
+04°00'
ω
+02°00'
c
e
+00°00'
θ
ι
f
-02°00'
τ2
d
-04°00'
τ1
10h 00m
09h 52m
09h 44m
09h 36m
09h 28m
09h 20m
09h 12m
09h 04m
Zone 187, Map 1
Normal Image
+05°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
ω
STF 1343
h137
+04°00'
Bur 455
NGC 2729
STF 1347
NGC 2858
OS 197
Theta Hya
NGC 2861
NGC 2898
STF 1302
+02°00'
θ
STF 1309
A. G. 166
Baillaud 1432
+01°00'
Baillaud 2364
+03°00'
h2479
NGC 2765
STF 1336 rej
Schjellerup 12
09h 30m
09h 25m
09h 20m
09h 15m
09h 10m
09h 05m
09h 00m
Zone 187, Map 1
Mirror Image
ω
+05°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
STF 1343
+04°00'
Bur 455
NGC 2729
h2479
STF 1347
h2479
NGC 2858
+03°00'
NGC 2765
Baillaud 2364
OS 197
STF 1309
STF 1302
NGC 2861
A. G. 166
Baillaud 1432
+01°00'
+02°00'
Theta Hya θ
STF 1336 rej
Schjellerup 12
09h 00m
09h 05m
09h 10m
09h 15m
09h 20m
09h 25m
09h 30m
Zone 187, Map 2
Normal Image
+00°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
Schjellerup 12
-01°00'
h126
STF 1329
h111
-02°00'
h119
τ1
Tau 1 Hya
h116
-03°00'
Hough 41
A 342
STF 1308
-04°00'
A 128
NGC 2817
09h 30m
09h 25m
09h 20m
09h 15m
09h 10m
09h 05m
09h 00m
Zone 187, Map 2
Mirror Image
+00°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
Schjellerup 12
-01°00'
h126
STF 1329
h111
h119
-02°00'
h111
Tau 1 Hyaτ1
h116
-03°00'
Hough 41
-04°00'
A 128
STF 1308 A 342
NGC 2817
09h 00m
09h 05m
09h 10m
09h 15m
09h 20m
09h 25m
09h 30m
Zone 187, Map 3
Normal Image
+05°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
NGC 2962
9 Sex
NGC 2987
NGC 2966
NGC 3055
h139
+04°00'
h2514
STF 1371
NGC 2960
Jonckheere 426
+03°00'
Baillaud 2368
STF 1377
NGC 2898
+02°00'
A. G. 118
NGC 3044
+01°00'
STF 1365
NGC 3042
NGC 2967
10h 00m
09h 55m
09h 50m
09h 45m
09h 40m
09h 35m
09h 30m
Zone 187, Map 3
Mirror Image
+05°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
NGC 2962
9 Sex
NGC 2987
NGC 2966
NGC 3055
h139
h2514
STF 1371
NGC 2960
+04°00'
h137
Baillaud 2368
+03°00'
Jonckheere 426
STF 1377
+02°00'
A. G. 118
NGC
NGC2898
2898
NGC 3044
STF 1365
+01°00'
STF 1365
NGC 3042
NGC 2967
09h 30m
09h 35m
09h 40m
09h 45m
09h 50m
09h 55m
10h 00m
Zone 187, Map 4
Normal Image
ι
-01°00'
+00°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
h822
τ1
PK 238+34.1
NGC 3017
-03°00'
-02°00'
τ2
h148
-04°00'
NGC 2974
A 62
10h 00m
09h 55m
09h 50m
09h 45m
09h 40m
09h 35m
09h 30m
Zone 187, Map 4
Mirror Image
-01°00'
+00°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
ι
-02°00'
τ2
h822
-03°00'
PK 238+34.1
NGC 3017
-04°00'
NGC 2974
A 62
09h 30m
09h 35m
09h 40m
09h 45m
09h 50m
09h 55m
10h 00m
Zone 187
1 Reference Star, 33 Double Stars,
1 Planetary Nebula, 15 Galaxies
Flamsteed
N
9 Sex.......................................................... 16
NGC 2729 ................................................... 7
NGC 2765 ................................................... 8
NGC 2817 ................................................. 14
NGC 2861 ................................................... 8
NGC 2898 ................................................. 20
NGC 2967 ................................................. 20
NGC 2974 ................................................. 22
NGC 3017 ................................................. 23
NGC 3044 ................................................. 21
A
A 128......................................................... 14
A 342......................................................... 12
A 62........................................................... 21
A. G. 118................................................... 16
A. G. 166..................................................... 6
B
O
Baillaud 1432 .............................................. 4
Baillaud 2364 .............................................. 4
Baillaud 2368 ............................................ 17
Bur 455........................................................ 6
OS 197 ........................................................ 7
P
PK 238+34.1 ............................................. 23
H
S
h111........................................................... 11
h116........................................................... 11
h119........................................................... 10
h126........................................................... 10
h137............................................................. 5
h139........................................................... 17
h2479........................................................... 4
h2514......................................................... 18
h822........................................................... 22
Hough 41................................................... 13
Schjellerup 12 ........................................... 12
STF 1302..................................................... 5
STF 1308..................................................... 9
STF 1309..................................................... 2
STF 1329..................................................... 9
STF 1336 rej ............................................... 3
STF 1347..................................................... 3
STF 1365................................................... 19
STF 1371................................................... 15
STF 1377................................................... 19
J
T
Jonckheere 426.......................................... 18
Tau 1 Hya.................................................. 13
Theta Hya.................................................... 2
-1-
Zone 187
Zone 187, Map 1
Reference Star
Theta Hya (22 Hya; h2489; HD 79469; SAO 117527)
Position: 0914+0219
Mag : 3.9
Spectrum : B9.5 V
Color : W!!
Assumed distance: 129 light years
Assumed luminosity (suns): 36
Observations:
C8 at 206x.
Notes:
This star is a member of the Wolf 630 group. Star A is a spectroscopic binary and a
Lambda Boo star.
The 9.9m star at 29- @ 197+ is optical.
Double Stars
Easy
STF 1309
Rating: 3 E
ADS 7182; HD 78126; SAO 117428
Position: 0907+0249
A
B
Magnitude
8.43
8.46
Separation PA
—
—
11.7 +
274 +
Year
—
1992
Spectra
F5
F5
Colors
pO
pB
Notes:
1825: 11.2 @ 273. 23 measurements. The stars share common proper motion.
Observations:
C8 at 104x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 13.4 inches; B = 13.4 inches.
Separation: AB = 7.37 miles.
Distance (LY): 404
Total luminosity (Suns): 11
-2-
Zone 187
STF 1347
Rating: 3 E
ADS 7342; HD 81029; SAO 117641
Position: 0923+0330
A
B
Magnitude
7.31
8.44
Separation PA
—
—
21.3 312 +
Year
—
1991
Spectra
F0
F0
Colors
W
pB
Notes:
1825: 21.6 @ 310. 44 measurements. The stars share common proper motion.
Observations:
C8 at 104x. Some observers see both as W. Webb saw them as W and rW or W and
B, but Franks said yW and B.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 10.0 inches; B = 10.7 inches.
Separation: AB = 9.44 miles.
Distance (LY): 284
Total luminosity (Suns): 10.4
STF 1336 rej
h126; HD 80046; SAO 117569
Rating: 4 E
Position: 0918+0033
A
B
Magnitude
7.00
10.20
Separation PA
—
—
40.4 +
180 =
Year
—
1989
Notes:
1905: 40.2 @ 180. 3 measurements.
Observations:
C8 at 83x. Moderate field.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 5.73 inches.
Separation: AB = 21.6 miles.
Distance (LY): 343
Total luminosity (Suns): 16
-3-
Spectra
A0
Colors
W
?
Zone 187
h2479
Rating: 5 E
HD 77081; SAO 117335
Position: 0901+0332
A
B
Magnitude
8.94
11.62
Separation PA
—
—
21.4 +
325 =
Year
—
1990
Spectra
A3
Colors
W
?
Notes:
1830: 15.0 @ 325. 7 measurements.
Observations:
C8 at 104x. Faint but rich field.
Baillaud 1432
Position: 0906+0103
A
B
Magnitude
10.32
11.00
Rating: 5 E
Separation PA
—
—
11.3 +
60 -
Year
—
1961
Spectra
F8
Colors
W
W
Notes:
1909: 11.0 @ 61. 3 measurements.
The stars share common proper motion.
Baillaud 2364
Rating: 5 E
HD 81979
Position: 0929+0306
A
B
Magnitude
10.07
10.50
Separation PA
—
—
8.6
140
Notes:
1 measurement.
Observations:
C11 at 98x.
-4-
Year
—
1910
Spectra
K0
Colors
Y
W
Zone 187
h137
Rating: 5 E
HD 82054; SAO 117730
Position: 0930+0433
A
B
Magnitude
9.83
10.26
Separation PA
—
—
18.8 356 -
Year
—
1991
Spectra
G0
Colors
W
W
Notes:
1903: 20.0 @ 4. 8 measurements.
Observations:
C11 at 98x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 18.7 inches.
Separation: AB = 8.24 miles.
Distance (LY): 281
Total luminosity (Suns): 1.21
Moderate
STF 1302
Rating: 3 M
ADS 7141; SAO 117347
Position: 0902+0245
A
B
C
Magnitude
9.31
9.47
13.46
Separation
—
2.6 +
32.1 +
PA
—
234 +
268 -
Notes:
AB 1829: 2.4 @ 228. 37 measurements.
AC 1879: 31.9 @ 270. 2 measurements.
Observations:
C11 at 339x.
-5-
Year
—
1999
1904
Spectra
F8
Colors
W
W
?
Zone 187
Bur 455
Rating: 5 M
ADS 7257; HD 79556; SAO 117533
Position: 0915+0413
A
B
Magnitude
7.85
9.40
Separation PA
—
—
1.8 69 +
Year
—
1991
Spectra
K0
Colors
O
?
Notes:
AB 1877: 1.9 @ 65. 27 measurements.
Observations:
C8 at 280x. Notched.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 24.1 inches.
Separation: AB = 4.07 miles.
Distance (LY): 1,450
Total luminosity (Suns): 129
A. G. 166
Rating: 5 M
ADS 7375; HD 81616
Position: 0927+0105
A
B
Magnitude
9.35
11.10
Separation PA
—
—
3.5 71 +
Notes:
1902: 3.8 @ 68. 15 measurements.
Observations:
C11 at 98x.
-6-
Year
—
1981
Spectra
G0
Colors
W
?
Zone 187
Difficult
OS 197
Rating: 3 D
ADS 7215; HD 78637
Position: 0910+0256
A
B
Magnitude
7.57
8.78
Separation PA
—
—
1.4 66 +
Year
—
1991
Spectra
F1 V
Colors
W
W
Notes:
1843: 1.5 @ 54. 43 measurements.
Observations:
C11 at 634x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 5.70 inches.
Separation: AB = 1.24 miles.
Distance (LY): 570
Total luminosity (Suns): 31
Deep Sky Objects
Difficult
NGC 2729
Other Names: UGC 4737
Position: 0902+0343
Type: Gal
Surface brightness: 12.3
Rating: 5 D
Class: S0?
Dimensions: 0.8' x 0.5'
Magnitude: 13.4
PA: 30
Observations:
C11 at 193x. Very small patch with a much brighter nucleus. It lies 3 min E of a 30"
double star.
Radial velocity (km/sec): +3,887
-7-
Zone 187
NGC 2765
Other Names: H II 520; UGC 4791
Astronomical League Program: Herschel II Club
Rating: 5 D
Position: 0908+0323
Type: Gal
Surface brightness: 12.5
Class: S0
Dimensions: 1.7' x 1.0'
Magnitude: 12.1
PA: 107
Observations:
C11 at 98x. Extremely faint, and only confirmed with tube movement. It has a
NW/SE axis and is about 2 to 1 in dimensions.
Radial velocity (km/sec): +4,064
NGC 2861
Other Names: UGC 4999
Rating: 5 D
Position: 0924+0208
Type: Gal
Surface brightness: 13.4
Class: SB(r)bc
Dimensions: 1.5' x 1.4'
Magnitude: 12.7
Observations:
C11 at 193x. Very faint spot, no nucleus. It lies 1 min E of a 4-star diamond.
Radial velocity (km/sec): +5,086
-8-
Zone 187
Zone 187, Map 2
Double Stars
Easy
STF 1329
Rating: 2 E
ADS 7266; HD 79728
Position: 0916-0114
A
B
C
Magnitude
9.16
9.17
13.75
Separation
—
10.7 -!!
57.3
PA
—
259 +
102
Year
—
1991
1911
Spectra
G5
Colors
Y
W
W?
Notes:
AB 1834: 27.2 @ 246. 42 measurements.
AC 1 measurement.
Observations:
C11 at 98x. C was very difficult!
STF 1308
Rating: 3 E
ADS 7171; HD 77376; SAO 136559
Position: 0905-0400
A
B
Magnitude
9.00
9.23
Separation PA
—
—
10.6 +
85 =
Year
—
1992
Notes:
1832: 10.5 @ 85. 18 measurements.
Observations:
C8 at 104x. It forms the SE corner of a 7m quadrangle.
-9-
Spectra
F5
Colors
W
O
Zone 187
h119
Rating: 3 E
HD 78610; SAO 136612
Position: 0909-0135
A
B
Magnitude
7.44
12.00
Separation PA
—
—
53.7 +
329 +
Year
—
1915
Spectra
K5
Colors
O
?
Notes:
1896: 53.1 @ 328. 4 measurements.
Observations:
C8 at 83x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 33.1 inches.
Separation: AB = 54.5 miles.
Distance (LY): 650
Total luminosity (Suns): 40.52
h126
Rating: 3 E
HD 80164; SAO 136741
Position: 0918-0036
A
B
Magnitude
8.32
10.02
Separation PA
—
—
30.0 +
32 =
Year
—
1991
Spectra
K5
K
Notes:
1892: 29.1 @ 32. 12 measurements.
Pettit measures for h126: 1915.29, 132.6@, 93.9". It must be another pair.
The stars share common proper motion.
Observations:
C8 at 104x. If it were a little brighter, it would rate a "2."
- 10 -
Colors
yO
O
Zone 187
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 35.0 inches; B = 38.4 inches.
Separation: AB = 37.9 miles.
Distance (LY): 810
Total luminosity (Suns): 25
h111
Rating: 4 E
Position: 0900-0135
A
B
Magnitude
8.52
10.01
Separation PA
—
—
24.5 243 -
Year
—
1991
Spectra
G5
Colors
Y
B
Notes:
1892: 24.7 @ 244. 9 measurements.
The stars share common proper motion.
Observations:
C8 at 104x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 20.0 inches.
Separation: AB = 20.6 miles.
Distance (LY): 540
Total luminosity (Suns): 12
h116
Rating: 4 E
HD 77734
Position: 0904-0252
A
B
Magnitude
9.86
10.83
Separation PA
—
—
32.5 +
43 +
Year
—
1991
Spectra
G0
Colors
W
pO
Notes:
1892: 32.1 @ 40. 8 measurements.
May be optical because Hipparcos gives different distances (76 and 105 light years).
- 11 -
Zone 187
Observations:
C11 at 98x.
A 342
Rating: 4 E
ADS 7188
Position: 0907-0357
A
B
Magnitude
9.25
10.10
Separation PA
—
—
5.5 +
152 -
Year
—
1994
Spectra
G0
Colors
W
O
Notes:
1902: 5.3 @ 153. 15 measurements.
Observations:
C11at 98x.
Schjellerup 12
Rating: 5 E
ADS 7194
Position: 0908-0013
A
B
Magnitude
10.29
10.39
Separation PA
—
—
6.5 261 +
Year
—
1991
Notes:
1867: 7.3 @ 259. 12 measurements.
Observations:
C11 at 98x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 30.4 inches.
Separation: AB = 3,590 feet.
Distance (LY): 68
Total luminosity (Suns): 0.052
- 12 -
Spectra
K2
Colors
yO
O
Zone 187
Moderate
Tau 1 Hya
31 Hya; H 333; h1167; HD 81997; SAO 136895
Rating: 2 M
Position: 0929-0246
A
B
Magnitude
4.59
7.28
Separation PA
—
—
65.7 =
4+
Year
—
1991
Spectra
F6 V
Colors
yW
W
Notes:
1821: 65.7 @ 3. 23 measurements. The stars share a large common proper motion.
Observations:
C8 at 83x. Webb saw them as W and yW or gY and L.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 4.20 inches.
Separation: AB = 5.74 miles.
Distance (LY): 56
Total luminosity (Suns): 3.88
Difficult
Hough 41
Rating: 4 D
ADS 7162; HD 77625
Position: 0904-0225
A
B
C
Magnitude
8.52
9.80
13.61
Separation
—
4.0 =
28.2
PA
—
72 +
232
Notes:
AB 1882: 4.0 @ 70. 14 measurements.
AC 1 measurement.
Observations:
C8 at 206x.
- 13 -
Year
—
1991
1904
Spectra
F5
Colors
W
O
?
Zone 187
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 13.5 inches.
Separation: AB = 6.80 miles; AC = 48.0 miles.
Distance (LY): 1,090
Total luminosity (Suns): 48
A 128
Rating: 4 D
ADS 7377; HD 81645; SAO 136856
Position: 0927-0315
A
B
Magnitude
9.55
10.00
Separation PA
—
—
1.2 =
271 +
Year
—
1998
Spectra
G5
Colors
W
W
Notes:
1901: 1.2 @ 254. 17 measurements.
Observations:
C11 at 634x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 21.2 inches.
Separation: AB = 1.85 miles.
Distance (LY): 990
Total luminosity (Suns): 19
Deep Sky Objects
Difficult
NGC 2817
Other Names: PGC 26223
Position: 0917-0445
Type: Gal
Dimensions: 2' x 1.7'
Rating: 4 D
Class: SAB(rs)c
PA: 5
Magnitude: 13.0
Observations:
C11 at 193x. Very faint splotchy patch with a nearly stellar center.
- 14 -
Zone 187
Distance (LY): 150,000,000
Radial velocity (km/sec): +3,534
Total luminosity (Suns): 11,200,000,000
Zone 187, Map 3
Double Stars
Easy
STF 1371
Rating: 3 E
ADS 7444; HD 82994; SAO 117792
Position: 0935+0354
A
B
C
Magnitude
7.71
10.27
11.70
Separation
—
8.1 +
123.4 +
PA
—
276 271 +
Year
—
1991
1922
Spectra
G0
Colors
Y
B?
No
Notes:
AB 1831: 7.1 @ 270. 19 measurements. The stars share common proper motion.
AC 1910: 121.5 @ 270. 2 measurements.
Observations:
C8 at 83x. Star B is pretty difficult to see. Webb saw them as yW and ?; J. Herschel
thought the companion was pR. "Very remarkable colors," according to Webb.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 16.6 inches.
Separation: AB = 2.16 miles; AC = 32.9 miles.
Distance (LY): 171
Total luminosity (Suns): 2
- 15 -
Zone 187
A. G. 118
Rating: 3 E
Position: 0939+0220
A
B
Magnitude
8.75
10.34
Separation PA
—
—
35.1 +
306 -
Year
—
1991
Spectra
B9
Colors
W
W
Notes:
1903: 34.8 @ 307. 8 measurements. The stars have different proper motions.
9 Sex
South 605; HD 85762; SAO 117980
Rating: 3 E
Position: 0954+0457
A
B
Magnitude
6.89
9.20
Separation PA
—
—
53.3 +
287 -
Year
—
1991
Spectra
gM0
K0
Colors
O
Y
Notes:
1825: 51 @ 291. 23 measurements. The stars show similar proper motions.
Observations:
C8 at 83x. Some observers report R and B.
Faint, moderate field.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 37.2 inches; B = 26.1 inches.
Separation: AB = 89.00 miles.
Distance (LY): 1,070
Total luminosity (Suns): 119
- 16 -
Zone 187
h139
Rating: 4 E
HD 82571; SAO 117763
Position: 0933+0415
A
B
Magnitude
9.99
10.73
Separation PA
—
—
30.5 +
235 -
Year
—
1991
Spectra
G0
Colors
W
W
Notes:
1903: 28.9 @ 241. 4 measurements.
Observations:
C11 at 98x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 18.9 inches.
Separation: AB = 7.00 miles.
Distance (LY): 147
Total luminosity (Suns): 0.26
Baillaud 2368
Rating: 5 E
HD 85488; SAO 117958
Position: 0952+0313
A
B
Magnitude
8.86
11.25
Separation PA
—
—
42.8 +!! 77 +!
Year
—
1991
Spectra
K5
Colors
yW
W
Notes:
1910: 13.2 @ 37. 3 measurements.
Optical double according to Heintz. No evidence of duplicity is seen by Hipparcos.
Observations:
C11 at 98x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 36.1 inches.
Separation: AB = 4.54 miles.
Distance (LY): 68
Total luminosity (Suns): 0.11
- 17 -
Zone 187
Jonckheere 426
Rating: 5 E
ADS 7584
Position: 0956+0328
A
B
Magnitude
10.41
10.53
Separation PA
—
—
3.4 +
208 =
Year
—
1991
Spectra
F8
Colors
W
W
Notes:
1910: 3.0 @ 208. 21 measurements.
Observations:
C11 at 98x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 17.1 inches.
Separation: AB = 1,848 feet.
Distance (LY): 67
Total luminosity (Suns): 0.05
h2514
Rating: 5 E
HD 86314; SAO 118019
Position: 0958+0416
A
B
Magnitude
9.67
11.01
Separation PA
—
—
42.1 327 +
Year
—
1991
Notes:
1903: 43.1 @ 320. 5 measurements.
Observations:
C11 at 98x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 14.3 inches.
Separation: AB = 85.4 miles.
Distance (LY): 1,300
Total luminosity (Suns): 23
- 18 -
Spectra
F5
Colors
W
?
Zone 187
Moderate
STF 1365
Rating: 3 M
ADS 7412; HD 82355; SAO 117747
Position: 0932+0128
A
B
Magnitude
6.81
7.67
Separation PA
—
—
3.4 +
157 -
Year
—
1997
Spectra
F8 III
Colors
pO
B
Notes:
1822: 3.2 @ 162. 73 measurements.
Observations:
C8 at 280x. Webb saw them as Y and W.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 30.6 inches.
Separation: AB = 2.70 miles.
Distance (LY): 510
Total luminosity (Suns): 49
Difficult
STF 1377
Rating: 4 D
ADS 7500; HD 84184; SAO 117871
Position: 0943+0238
A
B
Magnitude
7.41
10.35
Separation PA
—
—
4.2 +
138 -
Notes:
1825: 3.1 @ 144. 37 measurements.
Observations:
C8 at 206x.
- 19 -
Year
—
1991
Spectra
F8 V
Colors
yW
R
Zone 187
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 3.60 inches.
Separation: AB = 3.09 miles.
Distance (LY): 472
Total luminosity (Suns): 20
Deep Sky Objects
Difficult
NGC 2898
Other Names: UGC 5250, H II 17
Rating: 4 D
Position: 0930+0204
Type: Gal
Surface brightness: 13.1
Class: S0+ pec:
Dimensions: 1' x 0.8'
Magnitude: 13.4
PA: 125
Observations:
C11 at 98x + LPF. Small and very faint patch but with a very bright (but not quite
stellar) nucleus. It lies 3 min S of an 8m star.
Radial velocity (km/sec): +3,547
NGC 2967
Other Names: UGC 5180, H II 275
Rating: 5 D
Position: 0942+0020
Type: Gal
Surface brightness: 13.6
Class: SAB:(s)bc II
Dimensions: 3' x 3'
Magnitude: 11.6
PA: 65
Observations:
C8 at 83x. Very faint and indistinct disk about 37 min N of 6.8m SAO 137065 in an
otherwise empty field.
Distance (LY): 85,000,000
Radial velocity (km/sec): +1,892
Total luminosity (Suns): 13,000,000,000
- 20 -
Zone 187
NGC 3044
Other Names: UGC 5311, H III 254
Rating: 5 D
Position: 0954+0135
Type: Gal
Surface brightness: 13.1
Class: SB(s)c?
Dimensions: 4.7' x 0.7'
Magnitude: 11.9
PA: 13
Observations:
C11 at 98x + LPF. Very faint but pronounced ellipse (N-S) without a strong nucleus.
It helped to use tube movement.
Model (where the Sun is a baseball):
Its diameter would be 30 million miles.
Distance (LY): 67,000,000
Radial velocity (km/sec): +1,292
Luminosity (suns): 6,000,000,000
Zone 187, Map 4
Double Stars
Easy
A 62
Rating: 4 E
ADS 7516; HD 84723
Position: 0947-0356
A
B
C
Magnitude
9.81
10.80
10.86
Separation
—
0.7 +
4.2 +
PA
—
322 66 =
Notes:
AB 1933: 0.5 @ 338. 6 measurements.
AC 1900: 4.0 @ 66. 17 measurements.
- 21 -
Year
—
1989
1999
Spectra
A0
Colors
W
No
W
Zone 187
Observations:
C11 at 98x. It is the east star of a small diamond asterism.
h822
Rating: 5 E
HD 84766; SAO 137131
Position: 0947-0240
A
B
Magnitude
8.77
10.60
Separation PA
—
—
22.4 +
199 +
Year
—
1981
Spectra
K0
Colors
O
W
Notes:
1892: 21.4 @ 195. 5 measurements.
The Tycho-2 Catalogue indicates a single star entry.
Observations:
C8 at 104x.
Deep Sky Objects
Moderate
NGC 2974
Other Names: H I 61; PGC 27762
Astronomical League Program: Herschel 400 Club
Rating: 5 M
Position: 0943-0342
Type: Gal
Surface brightness: 12.5
Class: E4
Dimensions: 3.4' x 2'
Magnitude: 10.8
PA: 42
Observations:
C8 at 83x. At 200x, the nucleus suddenly pops out like a star, but then you lose most
of the halo (which is very prominent at low powers). There is a 10m star at the SW tip.
A 13m star lies 5 min W.
Model (where the Sun is a baseball):
Its diameter would be 40 million miles.
- 22 -
Zone 187
Distance (LY): 124,000,000
Radial velocity (km/sec): +2,072
Luminosity (suns): 57,700,000,000
Difficult
PK 238+34.1
Other Names: Abell 33
Rating: D
Position: 0939-0248
Type: Pn
Dimensions: 268''
Class: 2b
Magnitude: 13.4
Notes:
The central star is 15.5m.
Observations:
C8 at 83x. A 7.2m star lies 5 min SW of the nebula.
Model (where the Sun is a baseball):
Its diameter would be 1,720 miles.
Distance (LY): 4,110
Luminosity (suns): 6
NGC 3017
Other Names: PGC 28220
Rating: 4 D
Position: 0949-0249
Type: Gal
Surface brightness: 13.0
Class: E
Dimensions: 60" x 54"
Magnitude: 13.1
Observations:
C11 at 140x. Unfocusable star without much of a halo. It lies 5 min SE of a 9m star.
Radial velocity (km/sec): +6,229
- 23 -
Zone 187
Zone 187 Mini-Catalog
Double Stars
Designation
Position
Rating
Map
STF 1329
0916-0114
2E
2
STF 1308
0905-0400
3E
2
STF 1309
0907+0249
3E
1
h119
0909-0135
3E
2
h126
0918-0036
3E
2
STF 1347
0923+0330
3E
1
STF 1371
0935+0354
3E
3
A. G. 118
0939+0220
3E
3
9 Sex
0954+0457
3E
3
h111
0900-0135
4E
2
h116
0904-0252
4E
2
A 342
0907-0357
4E
2
STF 1336 rej
0918+0033
4E
1
h139
0933+0415
4E
3
A 62
0947-0356
4E
4
h2479
0901+0332
5E
1
Baillaud 1432
0906+0103
5E
1
Schjellerup 12
0908-0013
5E
2
Baillaud 2364
0929+0306
5E
1
h137
0930+0433
5E
1
h822
0947-0240
5E
4
Baillaud 2368
0952+0313
5E
3
Component
A
B
C
A
B
A
B
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
C
A
B
A
B
A
B
A
B
A
B
A
B
A
B
- 24 -
Mag
9.16
9.17
13.75
9.00
9.23
8.43
8.46
7.44
12.00
8.32
10.02
7.31
8.44
7.71
10.27
11.70
8.75
10.34
6.89
9.20
8.52
10.01
9.86
10.83
9.25
10.10
7.00
10.20
9.99
10.73
9.81
10.80
10.86
8.94
11.62
10.32
11.00
10.29
10.39
10.07
10.50
9.83
10.26
8.77
10.60
8.86
11.25
Separation
—
10.7 -!!
57.3
—
10.6 +
—
11.7 +
—
53.7 +
—
30.0 +
—
21.3 —
8.1 +
123.4 +
—
35.1 +
—
53.3 +
—
24.5 —
32.5 +
—
5.5 +
—
40.4 +
—
30.5 +
—
0.7 +
4.2 +
—
21.4 +
—
11.3 +
—
6.5 —
8.6
—
18.8 —
22.4 +
—
42.8 +!!
PA
—
259 +
57.3
—
85 =
—
274 +
—
329 +
—
32 =
—
312 +
—
276 123.4 +
—
306 —
287 —
243 —
43 +
—
152 —
180 =
—
235 —
322 4.2 +
—
325 =
—
60 —
261 +
—
140
—
356 —
199 +
—
77 +!
Zone 187
Designation
Jonckheere
426
Position
Rating
Map
0956+0328
5E
3
h2514
0958+0416
5E
3
Tau 1 Hya
0929-0246
2M
2
STF 1302
0902+0245
3M
1
STF 1365
0932+0128
3M
3
Bur 455
0915+0413
5M
1
A. G. 166
0927+0105
5M
1
OS 197
0910+0256
3D
1
Hough 41
0904-0225
4D
2
A 128
0927-0315
4D
2
STF 1377
0943+0238
4D
3
Component
A
B
A
B
A
B
A
B
C
A
B
A
B
A
B
A
B
A
B
C
A
B
A
B
Mag
10.41
10.53
9.67
11.01
4.59
7.28
9.31
9.47
13.46
6.81
7.67
7.85
9.40
9.35
11.10
7.57
8.78
8.52
9.80
13.61
9.55
10.00
7.41
10.35
Separation
—
3.4 +
—
42.1 —
65.7 =
—
2.6 +
32.1 +
—
3.4 +
—
1.8 —
3.5 —
1.4 —
4.0 =
28.2
—
1.2 =
—
4.2 +
PA
—
208 =
—
327 +
—
4+
—
234 +
32.1 +
—
157 —
69 +
—
71 +
—
66 +
—
72 +
28.2
—
271 +
—
138 -
Deep Sky Objects
Object
NGC 2974
PK 238+34.1
NGC 2817
NGC 2898
NGC 3017
NGC 2729
NGC 2765
NGC 2861
NGC 2967
NGC 3044
Position
0943-0342
0939-0248
0917-0445
0930+0204
0949-0249
0902+0343
0908+0323
0924+0208
0942+0020
0954+0135
Rating
5M
D
4D
4D
4D
5D
5D
5D
5D
5D
Map
4
4
2
3
4
1
1
1
3
3
Specifications
Surface
Type
Mag
Br
Gal (E4)
10.8
12.5
Pn (2b)
13.4
Gal (SAB(rs)c)
13.0
Gal (S0+ pec:)
13.4
13.1
Gal (E)
13.1
13.0
Gal (SO?)
13.4
12.3
Gal (S0)
12.1
12.5
Gal (SB(r)bc)
12.7
13.4
Gal (SAB:(s)bc II)
11.6
13.6
Gal (SB(s)c?)
11.9
13.1
- 25 -
Population