Zone 12, Master Map
Normal View
Zone Master, Norm al View, 10 deg FOV
+75°00'
h2165
+74°00'
STF 185 h2075
h2125
STF 241
h2173
Vilkki 11
STF 184 rej
STF 191
h2055
h2054
h2118
STF 312
h2157
h2133
+73°00'
SAO 4840
h2053
h1107
h2132
12-2
50 Cas
OS 50
h2168
Collinder 463
h1089
h2122
+71°00'
h2124
+72°00'
h2166
h2179
12-1
h1129
STF 169
h1133
+69°00'
h1127
+70°00'
48 Cas
h2164
h2094
STF 317
+68°00'
ω
h1132
ι Iota Cas
Milburn 392
12-3
STF 199 rej
Engelmann 10
+67°00'
h1125
+66°00'
h1131
12-4
Stein 418
STF 282
h1108
Milburn 254
Stein 422
STF 335
03h 00m
+65°00'
P Muller 122
h1100
Ball 9
Stein 409
h1122
Stock 6
Kruger 14
Courtot 3
02h 48m
02h 36m
02h 24m
Stock 5
Bur 873
h1111
02h 12m
h1101
ε
02h 00m
Zone 12, Map 1
Normal Image
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
h2146
+76°00'
Hussey 1030
STF 233
STF 170
+75°00'
h2075
STF 185
+74°00'
h2125
STF 241
h2118
h2055
h2133
h1107
h2132
h2124
h2054
h2053
50 Cas
+72°00'
h2157
+73°00'
STF 184 rej
STF 191
h2122
Collinder 463
+71°00'
h1089
STF 169
h1127
h2094
02h 40m
02h 24m
02h 08m
ω
01h 52m
+70°00'
48 Cas
Zone 12, Map 1
Mirror Image
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
h2146
+76°00'
Hussey 1030
STF 233
STF 170
h2075
+75°00'
STF 185
+74°00'
h2125
STF 241
STF 184 rej
STF 191
+73°00'
h2133
h1107
h2053
50 Cas
h2122
h2132
+72°00'
h2049
h2118
h2055
h2054
h2124
Collinder 463
+71°00'
h1089
+70°00'
48 Cas
STF 169
h2094
01h 52m
ω
02h 08m
02h 24m
02h 40m
Zone 12, Map 2
Normal Image
+73°00'
+73°30'
Sky charts generated by TheSky Software; used by permission of Software Bisque, Inc.
h2157
+72°30'
STF 312
02h 56m
02h 48m
Zone 12, Map 2
Mirror Image
+73°00'
+73°30'
Sky charts generated by TheSky Software; used by permission of Software Bisque, Inc.
h2157
+72°30'
STF 312
02h 48m
02h 56m
Zone 12, Map 3
Normal Image
+71°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
+70°00'
h2164
h1129
+69°00'
h1127
+68°00'
STF 317
h1131
h1125
Iota Cas
+67°00'
ι
+66°00'
Milburn 392
P Muller 122
STF 282
+65°00'
Stein 418
Milburn 254
Ball 9
+64°00'
Stein 422
h1122
Stein 409
STF 335
Stock 6
Kruger 14
03h 00m
02h 48m
Courtot 3
02h 36m
02h 24m
Zone 12, Map 3
Mirror Image
+71°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
h1129
+70°00'
h2164
+69°00'
h1127
+68°00'
STF 317
h1125
Engelmann 10
Iota Cas
+67°00'
ι
+66°00'
Milburn 392
h1108
STF 282
h1111
h1122
Ball 9
Stein 409
Stock 6
Kruger 14
Courtot 3
02h 24m
02h 36m
02h 48m
03h 00m
+64°00'
+65°00'
Stein 418
Zone 12, Map 4
Normal Image
+70°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
STF 169
+69°00'
h2094
+68°00'
ω
Iota Cas
Haupt 10
+67°00'
ι
STF 199 rej
Engelmann 10
+66°00'
STF 167 rej
STF 163
+65°00'
h1108
h1111
Bur 873
h1101
NGC 637
Stock 6
Engelmann 7
+64°00'
h1100
Stock 5
Epsilon Cas
Pettitt 3
IC 1747
Stein 344
STF 188 rej
h1102
Milburn 281
Milburn 282
02h 24m
02h 12m
02h 00m
01h 48m
+63°00'
ε
Zone 12, Map 4
Mirror Image
+70°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
STF 169
STF 130
+69°00'
h2094
+68°00'
ω
STF 199 rej
ι
h1084
Iota Cas
Haupt 10
+67°00'
Engelmann 10
+66°00'
STF 167 rej
+65°00'
h1108
STF 163
Bur 873
Stock 5
h1111
Stein 264
h1101
Engelmann 7
Epsilon Cas
Pettitt 3
IC 1747
+63°00'
ε
Stock 6
Stein 344
STF 188 rej
h1102
Milburn 281
01h 48m
+64°00'
h1100
02h 00m
02h 12m
02h 24m
Zone 12
Index
1 Reference Star; 21 Double Stars
5
h2125 .......................................................... 5
h2132 .......................................................... 6
h2133 .......................................................... 6
h2157 .......................................................... 8
50 Cas......................................................... 2
I
E
Iota Cas .................................................... 12
Engelmann 10 ......................................... 13
S
H
STF 184 rej ................................................ 2
STF 191 ..................................................... 7
STF 199 rej .............................................. 13
STF 241 ..................................................... 4
STF 282 ................................................... 10
STF 312 ..................................................... 9
STF 317 ................................................... 11
4
48 Cas......................................................... 7
h1107 .......................................................... 3
h1108 ........................................................ 14
h1125 ........................................................ 10
h1127 ........................................................ 11
h2118 .......................................................... 3
h2122 .......................................................... 4
h2124 .......................................................... 5
-1-
Zone 12
Zone 12, Map 1
Reference Star
50 Cas
Other name(s): HD 12216; SAO 4560
Rating: na
Position: 0203+7225
A
Magnitude
3.95
Separation PA
—
—
Year
—
Spectra
A2 V
Colors
W
Notes:
This star is a spectroscopic binary.
Distance (LY): 162
Total luminosity (Suns): 52
Double Stars
Easy
STF 184 rej
Other name(s): SAO 4545
Rating: 5 E
Position: 0201+7358
A
B
Magnitude
9.60
10.74
Separation PA
—
—
17.3 13 +
Year
—
1991
Spectra
F8
Colors
W
?
Notes:
1830: 19.0 @ 357. 5 measurements.
Observations:
C8 at 104x. A 7.5m star is to the E. This star is set in a very rich and bright field.
-2-
Zone 12
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 16.4 inches.
Separation: AB = 4.67 miles.
Distance (LY): 173
Total luminosity (Suns): 0.4
h1107
Rating: 4 E
Position: 0212+7256
A
B
Magnitude
10.46
11.96
Separation PA
—
—
20.9 +
98 +
Year
—
1991
Spectra
Colors
Y
bW
Notes:
1895: 19.3 @ 95. 3 measurements.
Observations:
C11 at 115x. It lies at the SW end of a 3-star chain, the northeast-most star of which
is also a pair.
h2118
Rating: 4 E
Position: 0217+7326
A
B
Magnitude
10.93
11.18
Separation PA
—
—
29.6 47 =
Notes:
1909: 29.7 @ 47. 2 measurements.
Observations:
C11 at 115x. An 8m star is 4 min SSE.
-3-
Year
—
1911
Spectra
Colors
W
W?
Zone 12
h2122
Rating: 3 E
Position: 0222+7212
A
B
Magnitude
10.38
10.41
Separation PA
—
—
31.5 140 +?
Year
—
1991
Spectra
Colors
W
W
Notes:
1897: 31.6 @ 320. 7 measurements.
Quadrant reversal. The Digitized Sky Survey shows 29” @ 319.
Observations:
C11 at 115x.
Distance (LY): 125
Total luminosity (Suns): 0.170
STF 241
Other name(s): SAO 4636
Rating: 3 E
Position: 0224+7406
A
B
Magnitude
8.78
10.72
Separation PA
—
—
20.1 +
286 +
Year
—
1991
Spectra
F8
Notes:
1831: 19.8 @ 283. 11 measurements.
Hipparcos gives discordant distances: 156 light years to A, 64 to B.
Observations:
C11 at 115x.
-4-
Colors
W
B
Zone 12
h2124
Rating: 5 E
Position: 0224+7218
A
B
Magnitude
10.51
12.71
Separation PA
—
—
18.5
204
Year
—
1911
Spectra
Colors
W?
?
Notes:
1 measurement.
Observations:
C11 at 115x.
Distance (LY): 10,900
Total luminosity (Suns): 672
h2125
Rating: 4 E
Position: 0226+7439
A
B
Magnitude
10.24
11.52
Separation PA
—
—
26.0
90
Year
—
1904
Spectra
Colors
W
W?
Notes:
1 measurement.
Observations:
C11 at 115x. This pair is the NW end of a 3-star chain, the center star of which is the
dominant one.
Distance (LY): 154
Total luminosity (Suns): 0.193
-5-
Zone 12
h2132
Rating: 4 E
Position: 0228+7247
A
B
C
Magnitude
10.39
11.42
11.33
Separation
—
29.3 51
PA
—
154 =
111
Year
—
1911
Spectra
Colors
W
?
?
Notes:
AB 1911: 29.5 @ 154. 2 measurements.
AC 1911: 51 @ 111. 2 measurements.
Observations:
C11 at 115x.
h2133
Other name(s): ADS 1854
Rating: 5 E
Position: 0229+7306
Magnitude
A 10.21
B 11.42
C 12.40
BC
Separation PA
—
—
22. 0 -!
160 +
Year
—
1984
4.0 +
1928
145 +
Spectra
Colors
W
?
W
Notes:
1909: 28.5 @ 151. 4 measurements.
BC 1909: 3.9 @ 135. 3 measurements.
A and B are probably optical, as Hipparcos shows A to be 195 light years away and B
to be 100.
Observations:
C11 at 115x.
-6-
Zone 12
Moderate
STF 191
Other name(s): ADS 1606; HD 12173; SAO 4559
Rating: 3 M
Position: 0203+7351
A
B
Magnitude
6.12
9.33
Separation PA
—
—
5.1 199 +
Year
—
1994
Spectra
A5 III
Colors
W
dB
Notes:
1832: 5.6 @ 191. 37 measurements.
Observations:
C8 at 104x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 7.80 inches.
Separation: AB = 2.89 miles.
Distance (LY): 363
Total luminosity (Suns): 42
Difficult
48 Cas
Other name(s): Bur 513; ADS 1598; HD 12111; SAO 4554
Rating: 5 D
Position: 0202+7054
A
B
Magnitude
4.49
12.60
Separation PA
—
—
51
85 +
Year
—
1959
Spectra
A3 IV
F2 V
Colors
W
?
Notes:
AB 1898: 47.1 @ 83. 3 measurements. Star A is a spectroscopic binary.
Burnham found a star of 6.72m in 1878 at 1.0 @ 264. The orbit takes 60.44 years
(Heintz, 1969).
The star may be a member of the Sirius group.
-7-
Zone 12
Observations:
C8 at 104x. A beautiful group of bright stars lies about 12 min WSW.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 10.1 inches; B = 5.1 inches.
Separation: AB = 9.31 miles.
Distance (LY): 117
Total luminosity (Suns): 15.61
Zone 12, Map 2
Double Stars
Easy
h2157
Other name(s): ADS 2135; HD 17179; SAO 4738
Rating: 5 E
Position: 0250+7255
A
B
C
D
Magnitude
7.85
11.43
10.55
11.20
Separation
—
11.2 +
24.6 +
33.7 +
PA
—
288 +
22 +
68 +
Year
—
1987
1987
1987
Spectra
B8 V
Notes:
AB 1903: 11.1 @ 287. 4 measurements.
AC 1903: 24.4 @ 21. 4 measurements.
Observations:
C8 at 104x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 10.2 inches.
Separation: AB = 36.7 miles; AC = 81.0 miles; AD = 110 miles.
Distance (LY): 2,100
Total luminosity (Suns): 239
-8-
Colors
W
?
B
?
Zone 12
Moderate
STF 312
Other name(s): ADS 2204; HD 17785; SAO 4776
Rating: 3 M
Position: 0256+7253
A
B
C
D
Magnitude
8.19
9.03
9.90
12.70
Separation
—
1.9 42.9 +
54.5
PA
—
41 +
129 +
279
Year
—
1998
1957
1911
Spectra
G0 V
Notes:
AB 1832: 3.6 @ 14. 75 measurements.
AC 1831: 42.3 @ 127. 23 measurements. Common proper motion pair.
AD 1 measurement.
Observations:
C8 at 280x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 16.0 inches.
Separation: AB = 3,168 feet; AC = 13.5 miles; AD = 17.1 miles.
Distance (LY): 201
Total luminosity (Suns): 3.826
-9-
Colors
Y
Y
bW
W
Zone 12
Zone 12, Map 3
Double Stars
Easy
STF 282
Other name(s): ADS 2017; SAO 12384
Rating: 3 E
Position: 0241+6538
A
B
Magnitude
8.59
8.65
Separation PA
—
—
6.8 294 =?
Year
—
1993
Spectra
G8 V
G5 V
Colors
Y
Y
Notes:
1831: 7.0 @ 114. 34 measurements. Quadrant reversal likely.
Star A is a spectroscopic binary.
The stars share a large common proper motion.
Muller 319 is a 9.60m companion to A at only 0.2" in PA 28 (1988).
Observations:
C8 at 104x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 17.2 inches; B = 16.3 inches.
Separation: AB = 1.71 miles.
Distance (LY): 161
Total luminosity (Suns): 1.3
h1125
Other name(s): HD 16893; SAO 12429
Rating: 5 E
Position: 0246+6748
A
B
Magnitude
8.53
11.44
Separation PA
—
—
26.2 225 +
- 10 -
Year
—
1985
Spectra
A2
Colors
W
?
Zone 12
Notes:
1892: 26.7 @ 223. 4 measurements.
Observations:
C8 at 104x. It is 8 min E of a 6m beast.
h1127
Rating: 5 E
Position: 0247+6946
A
B
Magnitude
10.48
11.80
Separation PA
—
—
14.2 60 -
Year
—
1909
Spectra
Colors
W
W?
Notes:
1895: 14.3 @ 63. 3 measurements.
Observations:
C11 at 115x. The measure looked more like 14" @ 270.
Distance (LY): 45
Total luminosity (Suns): 0.013
Moderate
STF 317
Other name(s): ADS 2226; HD 18056; SAO 12530
Rating: 5 M
Position: 0258+6911
A
B
Magnitude
7.72
9.88
Separation PA
—
—
3.9 +
84 -
Notes:
1831: 3.2 @ 88. 16 measurements.
- 11 -
Year
—
1991
Spectra
F2 V
Colors
W
?
Zone 12
Observations:
C8 at 280x. It is difficult due to the close spacing and large magnitude difference.
Bright and rich field.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 11.3 inches.
Separation: AB = 1.59 miles.
Distance (LY): 262
Total luminosity (Suns): 5.2
Difficult
Iota Cas
Rating: 4 D
Other name(s): 30 Cas; STF 262; h1953; ADS 1860; HD 15089; SAO 12298
Position: 0229+6724
A
B
C
BC
CD
Magnitude
4.69
6.93
9.05
Separation PA
—
—
2.7 +
230 7.1 207.2 +
116 +
58 +
Year
—
1997
1996
1996
1956
Spectra
A5p V
F5 V
Colors
Y
bW
bW
No
Notes:
AB 1829: 1.9 @ 277. Over 100 measurements. The AB period is 840 years (Heintz,
1962) with retrograde motion. The primary is an Alpha CVn variable as well as a
spectroscopic binary with a 52 year period now resolved by speckle. (Aa 1982: 0.5 @
354. 8 measurements.)
BC 1829: 7.6 @ 107. 4 measurements.
CD 1880: 205.7 @ 57. 4 measurements.
Observations:
C8 at 206x. Webb saw them as Y, B and B.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 9.2 inches; B = 6.7 inches.
Separation: AB = 3,159 feet; AC = 1.57 miles; CD = 46.0 miles.
Distance (LY): 142
Total luminosity (Suns): 28.6
- 12 -
Zone 12
Zone 12, Map 4
Double Stars
Easy
STF 199 rej
Other name(s): SAO 12115
Rating: 4 E
Position: 0205+6741
A
B
Magnitude
9.15
9.35
Separation PA
—
—
25.8 =
22 +
Year
—
1991
Spectra
F0 V
F0 V
Colors
W
W
Notes:
1831: 35.8 @ 21. 16 measurements.
Observations:
C8 at 104x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 12.3 inches; B = 12.5 inches.
Separation: AB = 17.3 miles.
Distance (LY): 430
Total luminosity (Suns): 6
Engelmann 10
Other name(s): HD 13579
Rating: 3 E
Position: 0216+6740
A
B
Magnitude
7.13
9.91
Separation PA
—
—
15.7 -!!
351 +!!?
Notes:
1875: 62.4 @ 109. 11 measurements.
- 13 -
Year
—
1993
Spectra
K2 V
Colors
Y!
O?
Zone 12
Optical pair? The proper motions show a very large difference. This could explain
the huge shift in PA and separation, or the 1875 PA could be a quadrant reversal. The
Digitized Sky Survey shows 17.5” @ 336.
Observations:
C11 at 115x. Nice pair!
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 2.10 inches.
Separation: AB = 1.89 miles.
Distance (LY): 77
Total luminosity (Suns): 0.701
Moderate
h1108
Other name(s): ADS 1684
Rating: 5 M
Position: 0212+6529
A
B
Magnitude
11.32
11.90
Separation PA
—
—
8.2 241 +
Year
—
1924
Notes:
1906: 8.7 @ 238. 4 measurements.
Observations:
C11 at 115x.
Distance (LY): 27
Total luminosity (Suns): 0.003
- 14 -
Spectra
Colors
W
?
Zone 12
Zone 12 Mini-Catalog
Double Stars
Star
Designation
Position
Rating
Map
Engelmann 10
0216+6740
3E
4
h2122
0222+7212
3E
1
STF 241
0224+7406
3E
1
STF 282
0241+6538
3E
3
STF 199 rej
0205+6741
4E
4
h1107
0212+7256
4E
1
h2118
0217+7326
4E
1
h2125
0226+7439
4E
1
h2132
0228+7247
4E
1
STF 184 rej
0201+7358
5E
1
h2124
0224+7218
5E
1
h2133
0229+7306
5E
1
h1125
0246+6748
5E
3
h1127
0247+6946
5E
3
h2157
0250+7255
5E
2
STF 191
0203+7351
3M
1
STF 312
0256+7253
3M
2
h1108
0212+6529
5M
4
STF 317
0258+6911
5M
3
Component
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
C
BC
A
B
A
B
A
B
C
D
A
B
A
B
C
D
A
B
A
B
- 15 -
Specifications
Mag
Sep from A
7.13
—
9.91
15.7 -!!
10.38
—
10.41
31.5 8.78
—
10.72
20.1 +
8.59
—
8.65
6.8 9.15
—
9.35
25.8 =
10.46
—
11.96
20.9 +
10.93
—
11.18
29.6 10.24
—
11.52
26.0
10.39
—
11.42
29.3 11.33
51
9.6
—
10.74
17.3 10.51
—
12.71
18.5
10.21
—
11.42
22. 0 -!
12.4
4.0 +
8.53
—
11.44
26.2 10.48
—
11.8
14.2 7.85
—
11.43
11.2 +
10.55
24.6 +
11.2
33.7 +
6.12
—
9.33
5.1 8.19
—
9.03
1.9 9.9
42.9 +
12.7
54.5
11.32
—
11.9
8.2 7.72
—
9.88
3.9 +
PA from A
—
351 +!!?
—
140 +?
—
286 +
—
294 =?
—
22 +
—
98 +
—
47 =
—
90
—
154 =
51
—
13 +
—
204
—
160 +
145 +
—
225 +
—
60 —
288 +
24.6 +
33.7 +
—
199 +
—
41 +
42.9 +
54.5
—
241 +
—
84 -
Zone 12
Iota Cas
0229+6724
4D
3
48 Cas
0202+7054
5D
1
A
B
C
CD
A
B
- 16 -
4.69
6.93
9.05
4.49
12.6
—
2.7 +
BC 7.1 -;
CD 207.2 +
—
51
—
230 BC 116 +;
CD 58 +
—
85 +