Zone 99, Master Map
Normal View
+44°00'
Zone Master, Normal View, 10 deg FOV
e
c
d
θ
18h 00m
ρ
17h 48m
17h 36m
17h 24m
π
+36°00'
f
+38°00'
+40°00'
+42°00'
M92
17h 12m
17h 00m
Zone 99, Map 1
Normal Image
+44°00'
Espin 2655
+45°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
+43°00'
STF 2154
M92
NGC 6341
+41°00'
+42°00'
Espin 633
17h 30m
17h 24m
17h 18m
17h 12m
17h 06m
17h 00m
Zone 99, Map 1
Mirror Image
+45°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
+44°00'
Espin 2655
+43°00'
STF 2154
Barton 341
M92
NGC 6341
+41°00'
+42°00'
Espin 633
17h 00m
17h 06m
17h 12m
17h 18m
17h 24m
17h 30m
Zone 99, Map 2
Normal Image
+39°00'
+40°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
STF 2136
ρ
+37°00'
+38°00'
South 689
Rho Her
OS 329
Ali 604
π
h588
Espin 2230
+36°00'
STF 2162
A. G. 209
h264
Hough 412
Bur 1456
STF 2168
STF 2178
Popovic 218
17h 30m
17h 24m
17h 18m
17h 12m
17h 06m
17h 00m
Zone 99, Map 2
Mirror Image
STF 2136
+39°00'
+40°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
ρ
+37°00'
+38°00'
South 689
Rho Her
OS 329
Ali 604
π
h588
A. G. 209
h264
Hough 412
Bur 1456
STF 2168
STF 2178
Popovic 218
17h 00m
17h 06m
17h 12m
17h 18m
17h 24m
17h 30m
+36°00'
STF 2162
Zone 99, Map 3
Normal Image
Espin 640
+45°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
Smart 79
Espin 1257
+44°00'
STF 2242
+43°00'
STF 2214
Espin 2660
+42°00'
STF 2209 rej
STF 2237
STF 2203
A 696
A 695
+41°00'
STF 2255
Espin 1557
A 698
STF 2267
90 Her
18h 00m
17h 54m
17h 48m
17h 42m
17h 36m
17h 30m
Zone 99, Map 3
Mirror Image
+45°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
Espin 640
Smart 79
Espin 1257
+44°00'
STF 2242
Espin 2660
+43°00'
STF 2214
+42°00'
STF 2209 rej
STF 2237
STF 2203
A 696
A 695
+41°00'
STF 2255
Espin 1557
A 698
STF 2267
90 Her
17h 30m
17h 36m
17h 42m
17h 48m
17h 54m
18h 00m
Zone 99, Map 4
Normal Image
+40°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
STF 2267
90 Her
STF 2246
Bur 417
+38°00'
+39°00'
STF 2224
Jonckheere 757
+37°00'
Theta Her
UGC 11000
STF 2243
Espin 2230
A. G. 209
STF 2257 rej
STF 2226
NGC 6447
STF 2236
STF 2178
A. G. 213
OS 334
18h 00m
17h 54m
17h 48m
17h 42m
17h 36m
17h 30m
+36°00'
θ
Zone 99, Map 4
Mirror Image
STF 2267
90 Her
+40°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
STF 2246
Bur 417
+38°00'
South 689
+39°00'
STF 2224
UGC 11000
Espin 2230
+36°00'
A. G. 209
+37°00'
Theta Herθ
STF 2243
STF 2257 rej
STF 2226
NGC 6447
STF 2236
STF 2178
OS 334
17h 30m
17h 36m
17h 42m
A. G. 213
17h 48m
17h 54m
18h 00m
Zone 99
Index
1 Reference Star, 33 Double Stars,
1 Globular Cluster, 2 Galaxies
Flamsteed
R
90 Her .................................................. 17
Rho Her.................................................. 4
A
S
A 695 ................................................... 14
A 696 ................................................... 16
A 698 ................................................... 12
A. G. 209 ............................................... 5
Ali 604 ................................................... 9
South 689 ............................................... 7
STF 2136................................................ 5
STF 2154................................................ 2
STF 2162.............................................. 10
STF 2168................................................ 8
STF 2203.............................................. 16
STF 2209 rej ........................................ 13
STF 2214.............................................. 11
STF 2224.............................................. 18
STF 2226.............................................. 19
STF 2236.............................................. 21
STF 2237.............................................. 13
STF 2242.............................................. 15
STF 2243.............................................. 21
STF 2246.............................................. 19
STF 2255.............................................. 14
STF 2257 rej ........................................ 20
B
Bur 1456 ................................................ 7
Bur 417 ................................................ 22
E
Espin 1557 ........................................... 15
Espin 2230 ........................................... 18
Espin 2660 ........................................... 11
Espin 633 ............................................... 2
H
h264 ....................................................... 8
Hough 412 ............................................. 9
T
N
Theta Her ............................................. 18
NGC 6341.............................................. 3
NGC 6447............................................ 23
U
UGC 11000 .......................................... 23
O
OS 329 ................................................... 6
-1-
Zone 99
Zone 99, Map 1
Double Stars
Moderate
STF 2154
ADS 10474; SAO 46631
Rating: 3 M
Position: 1719+4408
A
B
Magnitude
8.66
9.70
Separation PA
—
—
2.0 +
255 +
Year
—
1996
Spectra
F2+A2
Colors
W
W
Notes:
1925: 1.8 @ 249. 17 measurements.
Observations:
C11 at 339x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 12.1 inches.
Separation: AB = 2.55 miles.
Distance (LY): 820
Total luminosity (Suns): 25
Espin 633
ADS 10316; HD 154115; SAO 46444
Rating: 5 M
Position: 1702+4244
A
B
Magnitude
7.23
11.80
Separation PA
—
—
6.3
259
Notes:
1 measurement.
-2-
Year
—
1908
Spectra
G5
Colors
Y
?
Zone 99
Observations:
C8 at 206x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 18.4 inches.
Separation: AB = 5.60 miles.
Distance (LY): 570
Total luminosity (Suns): 30.48
Deep Sky Objects
Easy
NGC 6341
Rating: 1 E
Other Names: M92
Astronomical Leage Program: Messier Club; Urban Deep Sky Club
Position: 1717+4308
Type : Gc
Dimensions: 18'
Class: 4
Magnitude : 6.5
Cluster population: 250,000
Notes:
It was discovered by J. Bode in 1777; Messier added it to his list on March 18, 1781.
Lord Rosse reported spiral structure.
The brightest stars are 12.1m and the horizontal branch is 15.1m.
Its diameter is about 80 light years. It has the mass of 330,000 Suns.
Observations:
C8 at 206x. Semi-resolved at all powers, it is a superb globular in its own right, and
suffers from being too close to NGC 6205 (M13).
C11 at 115x. The "other" Hercules globular. Semi-resolved under a 10-day old
moon. At 193x, more stars were resolved.
At the 2001 Texas Star Party, I got the chance to view this cluster through the 36-inch
f9 Cassegrain at McDonald Observatory with the Chief Astronomer of the Hobby-Eberle
Telescope, Matthew Shertone. He pointed out that this globular has undergone core
collapse, and in the giant 36-incher, there is a definite gap or thinning out of stars
between the core and the outer periphery, a feature that my 8-inch SCT misses.
-3-
Zone 99
C11 at 98x. Rich and semi-resolved. It was grainy with averted vision. Very dense
core.
Model (where the Sun is a baseball):
Its diameter would be 58,990 miles.
Distance (LY): 26,000
Luminosity (suns): 133,000
Radial velocity (km/sec): -112
Zone 99, Map 2
Double Stars
Easy
Rho Her
75 Her; STF 2161; ADS 10526; SAO 66001
Astronomical League Program: Double Star Club
Rating: 3 E
Position: 1724+3709
A
B
Magnitude
4.15
5.09
Separation PA
—
—
4.2 +
317 +
Year
—
1998
Spectra
B9 III
ApV
Colors
Y
L
Notes:
1822: 4.0 @ 306. Over 100 measurements. The stars share common proper motion.
Spectroscopic analysis of B suggests a distance of only 290 light years.
The primary is a silicon star.
Observations:
C8 at 280x. Some observers report W and bW or both as G. Webb said gW and G.
Some amateur reports include W and pB, W and W, D! and B, O and bW. Olcott
describes them: "both fine green coloring." Others note "This star reminds me of Acrux,
-4-
Zone 99
which although many magnitudes brighter, has a similar separation and brightness
difference and is often useful as a test for seeing." Rich field.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 18.6 inches; B = 6.49 inches.
Separation: AB = 2.63 miles.
Distance (LY): 402
Total luminosity (Suns): 369
A. G. 209
B 8034; SAO 66069
Rating: 3 E
Position: 1728+3607
A
B
Magnitude
9.59
9.90
Separation PA
—
—
31.5 +
183 +
Year
—
1984
Spectra
F8
Colors
W
W
Notes:
1904: 26.6 @ 168. 9 measurements.
Observations:
C8 at 104x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 16.4 inches.
Separation: AB = 7.47 miles.
Distance (LY): 152
Total luminosity (Suns): 0.459
STF 2136
ADS 10391; HD 155727; SAO 65857
Rating: 4 E
Position: 1712+3915
A
B
C
Magnitude
8.40
10.40
13.50
Separation
—
15.4 1.2 +
PA
—
113 75 -
-5-
Year
—
1991
1966
Spectra
F8
Colors
W
pB
No
Zone 99
Notes:
AB 1831: 15.6 @ 114. 17 measurements.
AC 1905: 1.1 @ 83. 7 measurements.
Hussey doubled A in 1905 (0.3 @ 10).
Observations:
C8 at 104x. Very rich field.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 15.3 inches.
Separation: AB = 12,7 miles; AC = 1.00 mile; Aa = 1,307 feet.
Distance (LY): 530
Total luminosity (Suns): 17
OS 329
ADS 10535; HD 157910; SAO 66014
Rating: 4 E
Position: 1724+3657
A
B
C
Magnitude
6.25
9.84
13.81
Separation
—
34.0 +
69.2
PA
—
13 =
343
Year
—
1997
1917
Notes:
AB 1843: 33.2 @ 13. 18 measurements.
AC 1 measurement.
Observations:
C8 at 104x. Moderate field.
C11 at 115x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 39.0 inches.
Separation: AB = 36.1 miles; AC = 73.4 miles.
Distance (LY): 680
Total luminosity (Suns): 114
-6-
Spectra
G5 III
Colors
Y
W
?
Zone 99
South 689
HD 157946; SAO 66021
Rating: 4 E
Position: 1725+3912
A
B
Magnitude
7.35
8.42
Separation PA
—
—
88.8 196 -
Year
—
1993
Spectra
K5
G
Colors
Y
W
Notes:
1825: 89.6 @ 198. 17 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 = 32.9 inches; B = 19.9 inches.
Separation: AB = 119 miles.
Distance (LY): 860
Total luminosity (Suns): 86
Bur 1456
ADS 10361; SAO 65814
Rating: 5 E
Position: 1708+3549
A
B
C
Magnitude
10.13
14.10
9.19
Separation
—
5.8 141 -
PA
—
181 55 =
Notes:
AB 1907: 6.6 @ 185. 2 measurements.
AC 1907: 143 @ 55. 2 measurements.
Observations:
C11 at 115x. B was not detected.
-7-
Year
—
1982
1982
Spectra
F8
Colors
W
No
bW
Zone 99
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 16.8 inches.
Separation: AB = 8.32 miles; AC = 202 miles.
Distance (LY): 920
Total luminosity (Suns): 20
h264
Position: 1708+3557
A
B
Magnitude
10.51
11.00
Rating: 5 E
Separation PA
—
—
245.8
100
Year
—
1907
Spectra
Colors
W
W?
Notes:
1 measurement.
Observations:
C8 at 104x.
Distance (LY): 324
Total luminosity (Suns): 2.33
Moderate
STF 2168
ADS 10558; HD 158249; SAO 66053
Rating: 3 M
Position: 1727+3546
A
B
Magnitude
8.85
9.21
Separation PA
—
—
2.3 202 +
Notes:
1828: 2.4 @ 200. 58 measurements.
Observations:
C8 at 280x.
-8-
Year
—
1998
Spectra
F5
Colors
Y
B
Zone 99
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 13.7 inches.
Separation: AB = 6.28 miles.
Distance (LY): 1,750
Total luminosity (Suns): 188
Ali 604
Position: 1713+3656
A
B
Magnitude
9.74
12.40
Rating: 4 M
Separation PA
—
—
11.2 +
175 +
Year
—
1934
Spectra
Colors
W
R
Notes:
1933: 11.0 @ 174. 2 measurements.
Observations:
C11 at 115x.
Distance (LY): 371
Total luminosity (Suns): 1.49
Hough 412
ADS 10360; HD 155103; SAO 65812
Rating: 5 M
Position: 1708+3556
A
B
Magnitude
5.41
11.40
Separation PA
—
—
20.5 +
133 -
Notes:
1892: 19.5 @ 143. 10 measurements.
Star A is a spectroscopic binary.
Observations:
C8 at 104x. Averted vision helps in seeing B.
-9-
Year
—
1982
Spectra
A5mv
A3 V
Colors
W
W?
Zone 99
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 6.69 inches; B = 8.82 inches.
Separation: AB = 5.63 miles.
Distance (LY): 176
Total luminosity (Suns): 17
Difficult
STF 2162
ADS 10527; HD 157807; SAO 66003
Rating: 3 D
Position: 1724+3627
A
B
Magnitude
8.64
8.88
Separation PA
—
—
1.3 =
283 +
Year
—
1998
Notes:
1830: 1.3 @ 278. 28 measurements.
Observations:
C11 at 560x. Nice pair, with a bleak field.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 7.34 inches.
Separation: AB = 1.96 miles.
Distance (LY): 970
Total luminosity (Suns): 46
- 10 -
Spectra
A2
Colors
W
W
Zone 99
Zone 99, Map 3
Double Stars
Easy
Espin 2660
Position: 1737+4309
A
B
Magnitude
9.93
10.02
Rating: 3 E
Separation PA
—
—
9.1 154 =
Year
—
1957
Spectra
G
Colors
W
Y
Notes:
1893: 9.3 @ 151. 7 measurements.
Observations:
C11 at 115x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 21.6 inches.
Separation: AB = 1.30 miles.
Distance (LY): 92
Total luminosity (Suns): 0.137
STF 2214
ADS 10746; SAO 46907
Rating: 3 E
Position: 1743+4345
A
B
C
BC
Magnitude
9.61
10.15
11.10
Separation
—
19.5 +
1.2 1.2 -
PA
—
212 =
Year
—
1991
150 +
1969
- 11 -
Spectra
G0
K
Colors
O
O
No
Zone 99
Notes:
AB 1830: 19.4 @ 212. 24 measurements. Hipparcos/Tycho data show different
distances for these stars; they may be optical. However, the stars show similar proper
motion.
BC 1865: 1.3 @ 147. 20 measurements.
Observations:
C8 at 104x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 18.5 inches; B = 38.7 inches.
Separation: AB = 2.62 miles; BC = 2,006 feet.
Distance (LY): 206
Total luminosity (Suns): 1.1
A 698
ADS 10835; SAO 46999
Rating: 3 E
Position: 1751+4112
A
B
C
Magnitude
9.06
9.61
12.05
Separation
—
4.2 +
28.0 -
PA
—
256 =
165 +
Year
—
1998
1928
Notes:
AB 1904: 4.0 @ 256. 16 measurements.
AC 1912: 28.1 @ 164. 2 measurements.
Observations:
C11 at 115x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 13.9 inches.
Separation: AB = 9.89 miles; AC = 65.9 miles.
Distance (LY): 1,510
Total luminosity (Suns): 71
- 12 -
Spectra
F5
Colors
W
W
?
Zone 99
STF 2209 rej
HD 161320; SAO 46905
Rating: 4 E
Position: 1743+4310
A
B
Magnitude
8.33
11.00
Separation PA
—
—
29.7 127 =
Year
—
1991
Spectra
F0
Colors
W
B
Notes:
1893: 30.0 @ 127. 9 measurements. Hipparcos/Tycho data show different distances
for these stars; they may be optical.
Observations:
C8 at 104x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 10.6 inches.
Separation: AB = 24.1 miles.
Distance (LY): 520
Total luminosity (Suns): 11
STF 2237
ADS 10829; HD 162622; SAO 46991
Rating: 4 E
Position: 1750+4157
A
B
Magnitude
8.05
10.21
Separation PA
—
—
20.5 +
7-
Year
—
1991
Spectra
F2
F2
Colors
W
pO
Notes:
1829: 20.4 @ 8. 16 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.
- 13 -
Zone 99
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 11.7 inches; B = 13.2 inches.
Separation: AB = 12.3 miles.
Distance (LY): 384
Total luminosity (Suns): 8
STF 2255
ADS 10920; SAO 47078
Rating: 5 E
Position: 1757+4115
A
B
Magnitude
8.80
11.10
Separation PA
—
—
9.1 +
343 =
Year
—
1991
Spectra
F5
Colors
W
W
Notes:
1830: 8.3 @ 343. 13 measurements.
Observations:
C8 at 104x. Very, very rich field.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 13.7 inches.
Separation: AB = 4.91 miles.
Distance (LY): 346
Total luminosity (Suns): 3.4
Moderate
A 695
ADS 10706
Rating: 2 M
Position: 1740+4119
A
B
Magnitude
9.40
10.11
Separation PA
—
—
3.4 +
229 +
Notes:
1893: 3.3 @ 222. 12 measurements.
- 14 -
Year
—
1999
Spectra
Colors
O
bW
Zone 99
Observations:
C8 at 280x.
STF 2242
ADS 10849; HD 162880; SAO 47012
Rating: 2 M
Position: 1751+4454
A
B
Magnitude
7.34
7.43
Separation PA
—
—
3.4 326 -
Year
—
1998
Spectra
F0
Colors
O
B
Notes:
1830: 3.5 @ 327. 74 measurements.
Observations:
C8 at 280x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 9.99 inches.
Separation: AB = 1.83 miles.
Distance (LY): 346
Total luminosity (Suns): 17
Espin 1557
ADS 10901; SAO 47069
Rating: 4 M
Position: 1755+4108
A
B
C
Magnitude
9.09
12.90
11.40
Separation
—
10.9 +
27.3 -
PA
—
9+
217 -?
Year
—
1988
1988
Notes:
AB 1916: 9.4 @ 4. 3 measurements.
AC 1916: 28.0 @ 38. 2 measurements. Quadrant reversal?
There are two more very faint comes.
- 15 -
Spectra
F3 V
Colors
W
No
?
Zone 99
Observations:
C8 at 104x.
A 696
ADS 10725; SAO 46885
Rating: 5 M
Position: 1741+4128
A
B
C
Magnitude
10.24
12.20
12.70
Separation
—
8.2 =
2.1 +
PA
—
174 309 =
Year
—
1995
1995
Spectra
G5
Colors
yW
W
No
Notes:
AB 1904: 8.2 @ 176. 4 measurements.
AC 1904: 1.9 @ 309. 5 measurements.
Observations:
C11 at 115x. C was not detected.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 21.9 inches.
Separation: AB = 1.80 miles; AC = 2,429 feet.
Distance (LY): 141
Total luminosity (Suns): 0.187
Difficult
STF 2203
OS 158 app?; ADS 10722; HD 161016; SAO 46884
Rating: 2 D
Position: 1741+4139
A
B
Magnitude
7.74
7.14
Separation PA
—
—
0.7 =
294 -
Notes:
1830: 0.7 @ 334. Over 100 measurements.
- 16 -
Year
—
1999
Spectra
A4 V
Colors
W
W
Zone 99
Observations:
C11 at 634x. Nice pair!
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 7.80 inches.
Separation: AB = 3,485 feet.
Distance (LY): 610
Total luminosity (Suns): 88
90 Her
Bur 130; HD 163217; SAO 47037
Rating: 4 D
Position: 1753+4000
A
B
Magnitude
5.17
8.79
Separation PA
—
—
1.5 116 -
Year
—
1999
Spectra
K2 II-III
Notes:
1875: 1.8 @ 123. 41 measurements.
The primary is an infra-red source and is a member of the Hyades Group.
Observations:
C8 at 697x. Webb saw them as D and B.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 49.5 inches.
Separation: AB = 4,488 feet.
Distance (LY): 364
Total luminosity (Suns): 95
- 17 -
Colors
O
W
Zone 99
Zone 99, Map 4
Reference Star
Theta Her (91 Her; HD 163770; SAO 66485)
Position: 1756+3715
Mag : 3.9
Spectrum : K1 IIv Color : yO
Assumed distance: 670 light years
Assumed luminosity (suns): 990
Notes:
This star is an infra-red source.
Double Stars
Easy
Espin 2230
ADS 10619
Position: 1732+3604
A
B
Magnitude
10.54
11.03
Rating: 4 E
Separation PA
—
—
9.5 +
92 +
Year
—
1991
Spectra
Colors
W
O?
Notes:
1926: 8.6 @ 90. 6 measurements.
Observations:
C11 at 115x.
STF 2224
ADS 10782; HD 161832; SAO 66317
Position: 1746+3919
A
B
Magnitude
6.51
10.05
Rating: 4 E
Separation PA
—
—
7.9 +
349 -
- 18 -
Year
—
1991
Spectra
K3 III
Colors
Y
?
Zone 99
Notes:
1831: 7.5 @ 352. 21 measurements. Star A is a spectroscopic binary (F7 V
companion) and a varibale.
Observations:
C8 at 83x. Rich field.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 51.3 inches.
Separation: AB = 13.6 miles.
Distance (LY): 1,100
Total luminosity (Suns): 210
STF 2226
ADS 10798; SAO 66324
Rating: 4 E
Position: 1747+3538
A
B
Magnitude
9.20
11.80
Separation PA
—
—
12.1 +
90 -
Year
—
1958
Spectra
F0
Colors
W
?
Notes:
1829: 11.0 @ 93. 11 measurements.
Observations:
C8 at 104x. It forms the S vertex of a 9m right triangle.
STF 2246
ADS 10897; SAO 66474
Rating: 4 E
Position: 1755+3930
A
B
Magnitude
8.89
9.59
Separation PA
—
—
5.6 +
100 -
Notes:
1831: 5.3 @ 103. 27 measurements.
- 19 -
Year
—
1996
Spectra
G0
Colors
yW
O
Zone 99
Observations:
C8 at 206x. Moderate field.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 17.8 inches.
Separation: AB = 3.00 miles.
Distance (LY): 344
Total luminosity (Suns): 5
STF 2257 rej
ADS 10932; HD 163991; SAO 66507
Rating: 4 E
Position: 1757+3541
A
B
Magnitude
7.60
11.10
Separation PA
—
—
22.8 +
152 +
Year
—
1995
Notes:
1900: 21.4 @ 150. 8 measurements.
Observations:
C8 at 65x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 23.7 inches.
Separation: AB = 24.2 miles.
Distance (LY): 680
Total luminosity (Suns): 31
- 20 -
Spectra
K0
Colors
Y
?
Zone 99
Moderate
STF 2236
ADS 10832; HD 162623; SAO 66369
Rating: 4 M
Position: 1750+3526
A
B
Magnitude
8.06
9.96
Separation PA
—
—
3.4 +
96 +
Year
—
1991
Spectra
G0
Colors
yW
O
Notes:
1830: 3.0 @ 91. 24 measurements.
Observations:
C11 at 115x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 17.0 inches.
Separation: AB = 2.61 miles.
Distance (LY): 492
Total luminosity (Suns): 14
Difficult
STF 2243
ADS 10874; HD 163185; SAO 66429
Rating: 3 D
Position: 1753+3605
A
B
Magnitude
9.19
9.40
Separation PA
—
—
1.1 38 -
Year
—
1997
Notes:
1831: 1.7 @ 47. 42 measurements.
Observations:
C11 at 634x. This pair lies in the middle of a 9m triangle.
- 21 -
Spectra
G5
Colors
Y
Y
Zone 99
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 20.8 inches.
Separation: AB = 2.14 miles.
Distance (LY): 1,250
Total luminosity (Suns): 47
Bur 417
ADS 10911; HD 163789; SAO 66487
Rating: 4 D
Position: 1756+3926
A
B
Magnitude
8.04
9.96
Separation PA
—
—
1.1 308 +!
Year
—
1996
Notes:
1877: 1.6 @ 270. 32 measurements.
Observations:
C11 at 634x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 16.9 inches.
Separation: AB = 2,429 feet.
Distance (LY): 272
Total luminosity (Suns): 4.24
- 22 -
Spectra
G0
Colors
yW
yW
Zone 99
Deep Sky Objects
Moderate
UGC 11000
Position: 1749+3608
Type : Gal
Surface brightness: 11.8
Rating: 5 M
Class: S?
Dimensions: 48" x 24"
Magnitude : 13.4
PA: 156
Observations:
C11 at 98x. Starlike nucleus (about 5" in diameter). Halo was not seen. A 9.1m star
is 2 min E.
Radial velocity: +1,369 k/s
Difficult
NGC 6447
Other Names: UGC 10975
Rating: 5 D
Position: 1746+3534
Type : Gal
Surface brightness: 13.0
Class: SB?
Dimensions: 1.6' x 0.9'
Magnitude : 12.7
PA: 145
Observations:
C11 at 98x. Very faint and small (about 20") blotch with a very slightly brighter
middle. No halo seen. A small triangle of stars lies 5 min N.
Radial velocity (km/sec): +6,734
- 23 -
Zone 99
Zone 99 Mini-Catalog
Double Stars
Designation
Position
Rating
Map
Rho Her
1724+3709
3E
2
A. G. 209
1728+3607
3E
2
Espin 2660
1737+4309
3E
3
STF 2214
1743+4345
3E
3
A 698
1751+4112
3E
3
STF 2136
1712+3915
4E
2
OS 329
1724+3657
4E
2
South 689
1725+3912
4E
2
Espin 2230
1732+3604
4E
4
STF 2209 rej
1743+4310
4E
3
STF 2224
1746+3919
4E
4
STF 2226
1747+3538
4E
4
STF 2237
1750+4157
4E
3
STF 2246
1755+3930
4E
4
STF 2257 rej
1757+3541
4E
4
Bur 1456
1708+3549
5E
2
h264
1708+3557
5E
2
STF 2255
1757+4115
5E
3
A 695
1740+4119
2M
3
STF 2242
1751+4454
2M
3
Component
A
B
A
B
A
B
A
B
C
BC
A
B
C
A
B
C
A
B
C
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
- 24 -
Mag
4.15
5.09
9.59
9.90
9.93
10.02
9.61
10.15
11.10
9.06
9.61
12.05
8.40
10.40
13.50
6.25
9.84
13.81
7.35
8.42
10.54
11.03
8.33
11.00
6.51
10.05
9.20
11.80
8.05
10.21
8.89
9.59
7.60
11.10
10.13
14.10
9.19
10.51
11.00
8.80
11.10
9.40
10.11
7.34
7.43
Separation
—
4.2 +
—
31.5 +
—
9.1 —
19.5 +
1.2 1.2 —
4.2 +
28.0 —
15.4 1.2 +
—
34.0 +
69.2
—
88.8 —
9.5 +
—
29.7 —
7.9 +
—
12.1 +
—
20.5 +
—
5.6 +
—
22.8 +
—
5.8 141 —
245.8
—
9.1 +
—
3.4 +
—
3.4 -
PA
—
317 +
—
183 +
—
154 =
—
212 =
1.2 150 +
—
256 =
28.0 —
113 1.2 +
—
13 =
69.2
—
196 —
92 +
—
127 =
—
349 —
90 —
7—
100 —
152 +
—
181 141 —
100
—
343 =
—
229 +
—
326 -
Zone 99
Designation
Position
Rating
Map
STF 2154
1719+4408
3M
1
STF 2168
1727+3546
3M
2
Ali 604
1713+3656
4M
2
STF 2236
1750+3526
4M
4
Espin 1557
1755+4108
4M
3
Espin 633
1702+4244
5M
1
Hough 412
1708+3556
5M
2
A 696
1741+4128
5M
3
STF 2203
1741+4139
2D
3
STF 2162
1724+3627
3D
2
STF 2243
1753+3605
3D
4
90 Her
1753+4000
4D
3
Bur 417
1756+3926
4D
4
Component
A
B
A
B
A
B
A
B
A
B
C
A
B
A
B
A
B
C
A
B
A
B
A
B
A
B
A
B
Mag
8.66
9.70
8.85
9.21
9.74
12.40
8.06
9.96
9.09
12.90
11.40
7.23
11.80
5.41
11.40
10.24
12.20
12.70
7.74
7.14
8.64
8.88
9.19
9.40
5.17
8.79
8.04
9.96
Separation
—
2.0 +
—
2.3 —
11.2 +
—
3.4 +
—
10.9 +
27.3 —
6.3
—
20.5 +
—
8.2 =
2.1 +
—
0.7 =
—
1.3 =
—
1.1 —
1.5 —
1.1 -
PA
—
255 +
—
202 +
—
175 +
—
96 +
—
9+
27.3 —
259
—
133 —
174 2.1 +
—
294 —
283 +
—
38 —
116 —
308 +!
Deep Space Objects
Object
NGC 6341
UGC 11000
NGC 6447
Position
1717+4308
1749+3608
1746+3534
Rating
1E
5M
5D
Map
1
4
4
Type
Gc (4)
Gal (Pec)
Gal (SBbc)
- 25 -
Specifications
Surface
Mag
Br
6.5
13.4
11.8
12.7
13.0
Population
250,000