+66°00'
Zone 50, Master Map
Zone Master, Normal View, 10 deg FOV
+64°00'
ζ
e
+62°00'
c
+60°00'
η
θ
d
+58°00'
30 min
+56°00'
f
17h 00m
16h 48m
16h 36m
16h 24m
16h 12m
16h 00m
Zone 50, Map 1
Normal Image
+66°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
P Muller 138
+64°00'
STF 2046
+65°00'
NGC 6140
+62°00'
+63°00'
Stein 803
30 min
STF 2054
Eta Dra η
+61°00'
STF 2045
Copland 3
OSS 142
Espin 2650
STF 2006
NGC 6190
16h 32m
θ
Stein 2339
16h 24m
16h 16m
16h 08m
16h 00m
+59°00'
+60°00'
STF 2009
Zone 50, Map 1
Mirror Image
+66°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
+65°00'
NGC 6140
+64°00'
P Muller 138 STF 2046
+63°00'
Stein 803
+62°00'
NGC 6015
30 min
η
+61°00'
STF 2045
STF 2054
Eta Dra
Copland 3
+60°00'
STF 2009
Hussey 913
OSS 142
+59°00'
Espin 2650
STF 2006
θ
16h 00m
Stein 2339
16h 08m
16h 16m
16h 24m
NGC 6190
16h 32m
Zone 50, Map 2
Normal Image
+61°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
Eta Dra η
STF 2045
Copland 3
OSS 142
Espin 2650
STF 2006
θ
Stein 2339
Espin 2651
+57°00'
NGC 6127
+58°00'
NGC 6190
+59°00'
+60°00'
STF 2009
STF 2060
Argelander 102
+55°00'
+56°00'
Argelander 29
+54°00'
Milburn 135
Espin 967
16h 32m
16h 24m
16h 16m
16h 08m
16h 00m
Zone 50, Map 2
Mirror Image
+61°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
Eta Dra
STF 2045
Copland 3
+60°00'
STF 2009
Hussey 913
OSS 142
+59°00'
Espin 2650
STF 2006
Stein 2339
Espin 2651
NGC 6190
+58°00'
θ
NGC 6127
+57°00'
STF 1996
STF 2060
Argelander 102
+55°00'
+56°00'
Argelander 29
+54°00'
Milburn 135
Espin 967
16h 00m
16h 08m
16h 16m
16h 24m
16h 32m
Zone 50, Map 3
Normal Image
+66°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
+65°00'
ζ
STF 2124
+64°00'
20 Dra
STF 2116
+62°00'
+63°00'
Stein 803
NGC 6244
+61°00'
STF 2054
Eta Dra η
NGC 6310
NGC 6307
Copland 3
+60°00'
STF 2092
Stein 813
STF 2128
+59°00'
OS 316 rej
17h 04m
16h 56m
16h 48m
16h 40m
NGC 6190
16h 32m
16h 24m
Zone 50, Map 3
Mirror Image
+66°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
ζ
+65°00'
NGC 6140
STF 2124
20 Dra
+64°00'
STF 2046
STF 2116
+62°00'
+63°00'
Stein 803
NGC 6244
STF 2054
Eta Dra
+61°00'
η
STF 2092
Stein 813
+60°00'
Copland 3
STF 2128
+59°00'
OS 316 rej
Stein 2339
16h 24m
NGC 6190
16h 32m
16h 40m
16h 48m
16h 56m
17h 04m
Zone 50, Map 4
Normal Image
+61°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
NGC 6310
NGC 6307
Copland 3
+60°00'
STF 2092
Stein 813
STF 2128
+59°00'
OS 316 rej
+57°00'
+58°00'
NGC 6190
A 1143
STF 2060
+55°00'
+56°00'
Espin 2652
+54°00'
STF 2108 rej
17h 04m
16h 56m
16h 48m
16h 40m
16h 32m
Zone 50, Map 4
Mirror Image
+61°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
Copland 3
Stein 813
+60°00'
STF 2092
STF 2128
+59°00'
OS 316 rej
Stein 2339
A 1143
Espin 2652
+55°00'
+56°00'
STF 2060
Argelander 102
+57°00'
+58°00'
NGC 6190
+54°00'
STF 2108 rej
16h 32m
16h 40m
16h 48m
16h 56m
17h 04m
Zone 50
Index
22 Double Stars; 3 Galaxies
A
O
A 1143...................................................... 16
Argelander 102 ......................................... 8
Argelander 29............................................ 7
OS 316 rej ................................................ 15
OSS 142 ..................................................... 2
C
P Muller 138.............................................. 4
Copland 3................................................... 5
S
E
Stein 2339 .................................................. 7
Stein 803 .................................................. 13
STF 2006 ................................................. 10
STF 2009 ................................................... 2
STF 2045 ................................................... 4
STF 2046 ................................................... 3
STF 2054 ................................................... 5
STF 2060 ................................................... 8
STF 2092 ................................................. 12
STF 2108 rej............................................ 16
STF 2116 ................................................. 12
P
Espin 2650 ................................................. 9
Espin 2651 ............................................... 10
Espin 2652 ............................................... 15
Eta Dra ....................................................... 6
N
NGC 6127................................................ 11
NGC 6190................................................ 17
NGC 6244................................................ 14
-1-
Zone 50
Zone 50, Map 1
Double Stars
Easy
STF 2009
Other name(s): ADS 9906; HD 144328; SAO 16930
Rating: 4 E
Position: 1602+6029
A
B
Magnitude
9.42
10.71
Separation PA
—
—
17.3 +
302 -
Year
—
1991
Spectra
F8
Colors
W
B
Notes:
1830: 16.9 @ 305. 12 measurements.
Observations:
C8 at 104x. It forms the W vertex of a triangle with SAO 16937 (8.2m) to the E and
SAO 16940 (9.1m) to the NNE.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 16.2 inches.
Separation: AB = 2.61 miles.
Distance (LY): 97
Total luminosity (Suns): 0.18
OSS 142
Other name(s): HD 144903; SAO 16945
Rating: 5 E
Position: 1605+6003
A
B
Magnitude
7.41
9.76
Separation PA
—
—
104.0 264 -
-2-
Year
—
1993
Spectra
K0
Colors
O
B
Zone 50
Notes:
1875: 104.8 @ 266. 14 measurements.
Hipparcos/Tycho data show different distances for these stars (1,120 and 308 light
years); they may be optical.
Observations:
C8 at 104x.
STF 2046
Rating: 3 E
Other name(s): Fox 194 (C); ADS 10026; HD 147995; SAO 17053
Position: 1621+6422
A
B
C
Magnitude
9.73
10.30
12.90
Separation
—
8.2 +
29.6 +
PA
—
221 138 +
Year
—
1993
1912
Notes:
AB 1831: 7.8 @ 224. 21 measurements.
AC 1910: 29.2 @ 137. 2 measurements.
Observations:
C11 at 115x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 16.5 inches.
Separation: AB = 2.26 miles; AC = 8.20 miles.
Distance (LY): 177
Total luminosity (Suns): 0.53
-3-
Spectra
F8
Colors
W
W
?
Zone 50
Moderate
P Muller 138
Other name(s): SAO 17002
Rating: 5 M
Position: 1614+6420
A
B
Magnitude
10.39
10.64
Separation PA
—
—
2.5 +
320 +
Year
—
1999
Spectra
F8
Colors
W
W
Notes:
1971: 2.0 @ 316. 7 measurements.
Observations:
C11 at 339x.
STF 2045
Other name(s): ADS 10021; HD 147803; SAO 17046
Rating: 4 M
Position: 1620+6130
A
B
Magnitude
8.70
10.18
Separation PA
—
—
2.3 185 +
Notes:
1832: 2.5 @ 183. 18 measurements.
Observations:
C8 at 104x.
-4-
Year
—
1991
Spectra
F8
Colors
W
W
Zone 50
Copland 3
Other name(s): ADS 10080; HD 148977; SAO 17100
Rating: 3 M
Position: 1628+6041
A
B
Magnitude
8.82
9.47
Separation PA
—
—
1.3 88 +
Year
—
1999
Spectra
G0
Colors
yW
W
Notes:
1892: 1.7 @ 72. 21 measurements.
Observations:
C11 at 339x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 17.7 inches.
Separation: AB = 4,910 feet.
Distance (LY): 463
Total luminosity (Suns): 7.7
Difficult
STF 2054
Other name(s): ADS 10052; HD 148374; SAO 17073
Rating: 3 D
Position: 1624+6142
A
B
Magnitude
6.18
7.14
Separation PA
—
—
1.0 +
352 -
Notes:
1832: 0.9 @ 7. Over 100 measurements.
Observations:
C8 at 280x.
-5-
Year
—
1997
Spectra
G8 III
G7
Colors
Y
Y
Zone 50
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 43.5 inches; B = 20.9 inches.
Separation: AB = 3,379 feet.
Distance (LY): 412
Total luminosity (Suns): 89
Eta Dra
Rating: 4 D
Other name(s): 14 Dra; Aldhibain; OS 312; ADS 10058; HD 148387; SAO 17074
Position: 1624+6131
A
B
C
Magnitude
2.70
8.70
7.88
Separation
—
4.8 +
566.1 +
PA
—
139 240 -
Year
—
1996
1991
Spectra
G8 III
K1 V
Colors
Y
?
No
Notes:
AB 1843: 4.4 @ 150. 71 measurements. Both are spectroscopic binaries, and A is an
infra-red source. Both A and B are suspected variables.
AC 1923: 564.9 @ 241. 2 measurements.
Observations:
C8 at 206x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 43.5 inches; B = 29.5 inches.
Separation: AB = 3,432 feet; AC = 77.7 miles.
Distance (LY): 88
Total luminosity (Suns): 51.2
-6-
Zone 50
Zone 50, Map 2
Double Stars
Easy
Argelander 29
Other name(s): HD 238528; SAO 29796
Rating: 4 E
Position: 1606+5636
A
B
Magnitude
9.22
10.38
Separation PA
—
—
25.2 137 -
Year
—
1991
Spectra
F8
Colors
W
B
Notes:
1879: 27.9 @ 141. 14 measurements.
Observations:
C8 at 104x. Despite the equality in magnitudes, the color of B makes it look much
fainter than 8.9.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 16.1 inches.
Separation: AB = 41.3 miles.
Distance (LY): 1,050
Total luminosity (Suns): 48
Stein 2339
Rating: 5 E
Position: 1624+5835
A
B
Magnitude
9.98
11.03
Separation PA
—
—
13.0 +
75 -
-7-
Year
—
1991
Spectra
Colors
Y
rO
Zone 50
Notes:
1908: 13.7 @ 80. 6 measurements.
Observations:
C11 at 115x.
Distance (LY): 95
Total luminosity (Suns): 0.10
Argelander 102
Other name(s): HD 149007; SAO 29962
Rating: 3 E
Position: 1629+5636
A
B
Magnitude
8.34
9.73
Separation PA
—
—
80 +
54 -
Year
—
1991
Spectra
K0
Colors
Y
W
Notes:
1919: 78 @ 59. 2 measurements.
This pair may be optical. Hipparcos shows different distances (1,120 and 274 light
years).
Observations:
C11 at 115x.
STF 2060
Other name(s): ADS 10081; SAO 29959
Rating: 5 E
Position: 1629+5644
A
B
Magnitude
9.43
9.5
Separation PA
—
—
3.7 =
247 +
Notes:
1830: 3.7 @ 246. 21 measurements.
-8-
Year
—
1991
Spectra
G5
Colors
W
W
Zone 50
Observations:
C8 at 206x. Note the triangle of 8m-9m-9m off to the SW. Webb saw them as W and
pL. Franks said yW and L.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 21.0 inches.
Separation: AB = 4.73 miles.
Distance (LY): 820
Total luminosity (Suns): 23
Moderate
Espin 2650
Other name(s): ADS 9920; HD 114759; SAO 29786
Rating: 5 M
Position: 1604+5923
A
B
Magnitude
8.52
10.40
Separation PA
—
—
11.1 +
210 -
Year
—
1991
Notes:
1910: 11.0 @ 213. 3 measurements.
Observations:
C11 at 115x. B is probably fainter than 12.5m.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 10.8 inches.
Separation: AB = 7.95 miles.
Distance (LY): 459
Total luminosity (Suns): 6.8
-9-
Spectra
F0
Colors
W
?
Zone 50
Difficult
STF 2006
Other name(s): ADS 9891; HD 143988; SAO 29752
Rating: 4 D
Position: 1600+5856
A
B
C
Magnitude
8.52
10.07
8.90
Separation
—
1.5 47.4 +
PA
—
185 213 -
Year
—
1995
1987
Spectra
A3
K
Colors
W
?
?
Notes:
AB 1830: 1.6 @ 205. 43 measurements.
AC 1830: 43.5 @ 224. 30 measurements.
Observations:
C8 at 516x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 7.63 inches; B = 38.5 inches.
Separation: AB = 1.31 miles; AC = 41.4 miles.
Distance (LY): 560
Total luminosity (Suns): 20
Espin 2651
Other name(s): ADS 9944; HD 145674; SAO 29823
Rating: 5 D
Position: 1609+5756
A
B
Magnitude
6.33
12.20
Separation PA
—
—
12.3 +
140 =
Year
—
1999
Spectra
A1 V
Colors
W
?
Notes:
1907: 11.9 @ 140. 6 measurements. A is a spectroscopic binary
This may be an optical pair as Hipparcos shows different distances (401 and 28 light
years).
Observations:
C11 at 339x.
- 10 -
Zone 50
Deep Sky Objects
Difficult
NGC 6127
Other Names: NGC 6125
Astronomical League Program: Caldwell Club
Rating: 5 D
Position: 1619+5759
Type : Gal
Surface brightness: 12.7
Class: E
Dimensions: 1.4'
Magnitude : 12.0
Observations:
C11 at 98x. It looked like a blurry star (~6" dia) but had not discernible halo.
Distance: 210,000,000 light years
Radial velocity (km/sec): +4,831
Luminosity: 54,800,000,000 Suns
- 11 -
Zone 50
Zone 50, Map 3
Double Stars
Easy
STF 2092
Rating: 3 E
Other name(s): WW Dra; Bu 1458; ADS 10152; HD 150708; SAO 17176
Position: 1639+6042
A
B
Magnitude
8.22
9.20
Separation PA
—
—
8.2 +
5-
Year
—
1991
Spectra
G2 IV
Colors
W
R
Notes:
1831: 8.0 @ 6. 22 measurements. The primary is an Algol type system (period of
4.63 days). The stars have different proper motions.
Observations:
C8 at 104x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 8.70 inches.
Separation: AB = 4.81 miles.
Distance (LY): 376
Total luminosity (Suns): 8
STF 2116
Other name(s): HD 153397; SAO 17276
Rating: 3 E
Position: 1655+6332
A
B
Magnitude
9.40
10.10
Separation PA
—
—
19.1 +
4-
- 12 -
Year
—
1991
Spectra
G5
Colors
W
B
Zone 50
Notes:
1831: 18.9 @ 6. 14 measurements. Hipparcos/Tycho data show different distances
for these stars; they may be optical. However, the stars exhibit common proper motion.
Observations:
C8 at 104x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 21.0 inches.
Separation: AB = 18.5 miles.
Distance (LY): 620
Total luminosity (Suns): 13
Moderate
Stein 803
Other name(s): HD 149819; SAO 17138
Rating: 5 M
Position: 1633+6324
A
B
Magnitude
8.40
11.50
Separation PA
—
—
11.8
69
Notes:
1 measurement.
Observations:
C8 at 104x. Use averted vision; B is difficult.
- 13 -
Year
—
1902
Spectra
K0
Colors
yW
W?
Zone 50
Deep Sky Objects
Difficult
NGC 6244
Other Names: UGC 10568
Astronomical League Program: Caldwell Club
Rating: 5 D
Position: 1648+6212
Type : Gal
Surface brightness: 12.7
Class: SBa
Dimensions: 1.6' x 0.3'
Magnitude : 13.5
PA: 140
Observations:
C11 at 140x. It is quite faint and round, with a gradual brightening towards the
center. It lies between two 12m stars.
Radial velocity (km/sec): +4,378
- 14 -
Zone 50
Zone 50, Map 4
Double Stars
Easy
Espin 2652
Other name(s):
Rating: 4 E
Position: 1636+5633
A
B
Magnitude
10.61
10.69
Separation PA
—
—
12.2 +
183 -
Year
—
1991
Spectra
Colors
W
W
Notes:
1908: 9.4 @ 189. 5 measurements.
This may be an optical pair as Hipparcos shows different distances (114 and 1,550
light years).
Observations:
C11 at 115x.
OS 316 rej
Other name(s): HD 152274; SAO 30111
Rating: 4 E
Position: 1649+5930
A
B
Magnitude
7.65
8.94
Separation PA
—
—
47.2 348 -
Year
—
1991
Spectra
G5
F8
Colors
Y
dB
Notes:
1843: 48.3 @ 351. 16 measurements.
Hipparcos/Tycho data show different distances for these stars (670 and 1,050 light
years); they may be optical. The stars have different proper motions.
- 15 -
Zone 50
Observations:
C8 at 83x. Rich field.
STF 2108 rej
Other name(s): HD 152125; SAO 30108
Rating: 5 E
Position: 1649+5508
A
B
Magnitude
8.97
11.24
Separation PA
—
—
26.5 +
351 =
Year
—
1991
Spectra
G5
Colors
Y
O?
Notes:
1900: 25.8 @ 351. 7 measurements.
Observations:
C8 at 104x. It lies 24 min SE of a triangle of stars.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 20.5 inches.
Separation: AB = 9.01 miles.
Distance (LY): 218
Total luminosity (Suns): 1.2
Difficult
A 1143
Other name(s): ADS 10276; HD 153495; SAO 30169
Rating: 3 D
Position: 1657+5711
A
B
C
D
BC
Magnitude
8.87
8.95
10.21
9.60
Separation
—
0.4
100 +
51.7 +
0.5 -
PA
—
247
2352 =
148 =
- 16 -
Year
—
1997
1991
1990
1996
Spectra
G0
K5
Colors
yW
W
W
W?
?
Zone 50
Notes:
AB 1905. 37 measurements. AB orbit calculated. Period is 84years, semi-major axis
of 0.23", retrograde motion.
AC 1905: 97 @ 5. 4 measurements.
AD 1905: 0.8 @ 148. 21 measurements.
BC 1905: 46.0 @ 352. 2 measurements.
Hipparcos shows differing distances.
Observations:
C11 at 634x. AB made a figure "8" on this night.
Deep Sky Objects
Moderate
NGC 6190
Other Names: UGC 10443
Astronomical League Program: Caldwell Club
Rating: 5 M
Position: 1632+5826
Type : Gal
Surface brightness: 13.1
Class: Scd:
Dimensions: 1.4' x 1.3'
Magnitude : 12.6
PA: 60
Observations:
C11 at 98x. It shows a stellar nucleus (~4") but not much of a halo.
Radial velocity (km/sec): +3,351
- 17 -
Zone 50
Zone 50 Mini-Catalog
Double Stars
Star
Designation
Position
Rating
Map
STF 2046
1621+6422
3E
1
Argelander 102
1629+5636
3E
2
STF 2092
1639+6042
3E
3
STF 2116
1655+6332
3E
3
STF 2009
1602+6029
4E
1
Argelander 29
1606+5636
4E
2
Espin 2652
1636+5633
4E
4
OS 316 rej
1649+5930
4E
4
OSS 142
1605+6003
5E
1
Stein 2339
1624+5835
5E
2
STF 2060
1629+5644
5E
2
STF 2108 rej
1649+5508
5E
4
Copland 3
1628+6041
3M
1
STF 2045
1620+6130
4M
1
Espin 2650
1604+5923
5M
2
P Muller 138
1614+6420
5M
1
Stein 803
1633+6324
5M
3
STF 2054
1624+6142
3D
1
A 1143
1657+5711
3D
4
STF 2006
1600+5856
4D
2
Component
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
A
B
A
B
A
B
A
B
A
B
A
B
C
BC
A
B
C
- 18 -
Specifications
Mag
Sep from A
9.73
—
10.3
8.2 +
12.9
29.6 +
8.34
—
9.73
80 +
8.22
—
9.2
8.2 +
9.4
—
10.1
19.1 +
9.42
—
10.71
17.3 +
9.22
—
10.38
25.2 10.61
—
10.69
12.2 +
7.65
—
8.94
47.2 7.41
—
9.76
104.0 9.98
—
11.03
13.0 +
9.43
—
9.5
3.7 =
8.97
—
11.24
26.5 +
8.82
—
9.47
1.3 8.7
—
10.18
2.3 8.52
—
10.4
11.1 +
10.39
—
10.64
2.5 +
8.4
—
11.5
11.8
6.18
—
7.14
1.0 +
8.87
—
8.95
0.4
10.21
100 +
9.6
51.7 +
8.52
—
10.07
1.5 8.9
47.4 +
PA from A
—
221 29.6 +
—
54 —
5—
4—
302 —
137 —
183 —
348 —
264 —
75 —
247 +
—
351 =
—
88 +
—
185 +
—
210 —
320 +
—
69
—
352 —
247
100 +
51.7 +
—
185 47.4 +
Zone 50
Star
Designation
Position
Rating
Map
Component
A
B
C
A
B
Specifications
Mag
Sep from A
2.7
—
8.7
4.8 +
7.88
566.1 +
6.33
—
12.2
12.3 +
Type
Gal (Scd:)
Gal (E)
Gal (SBa)
Specifications
Mag
Surface Br
12.6
13.1
12.0
12.7
13.5
12.7
Eta Dra
1624+6131
4D
1
Espin 2651
1609+5756
5D
2
PA from A
—
139 566.1 +
—
140 =
Deep Sky Objects
Object
NGC 6190
NGC 6127
NGC 6244
Position
1632+5826
1619+5759
1648+6212
Rating
5M
5D
5D
Map
4
2
3
- 19 -
Population