Zone 269, Master Map
-24°00'
Normal View
χ1
ψ
ω
-26°00'
Sagittarius
σ Nunki
Capricornus
-28°00'
c
f
φ
τ
-30°00'
ζ Ascella
M54
M55
d
M70
-34°00'
g
e
Corona Australis
γ
ε
α
λ
β
α Rukbat
20h 08m 20h 00m 19h 52m 19h 44m
δ
19h 28m 19h 20m 19h 12m
κ1
κ2
µ
18h 56m 18h 48m 18h 40m 18h 32m
-38°00'
No Map
-36°00'
θ2
θ1
20h 32m 20h 24m
-32°00'
Zone Master, Normal View, 10 deg FOV
Zone 269, Map 1
Normal Image
ψ
-25°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
h5101
-26°00'
Bos 2475
h5119
-27°00'
South 711
H N 119
Cordoba 234
-29°00'
-28°00'
τ
h5113
Zeta Sgr ζ
19h 30m
19h 25m
19h 20m
19h 15m
19h 10m
19h 05m
Ascella
19h 00m
Zone 269, Map 1
Mirror Image
ψ
-25°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
h5101
h5119
-27°00'
South 711
-26°00'
Bos 2475
Cordoba 234
-29°00'
-28°00'
τ
h5113
ζ
19h 00m
Ascella
Zeta Sgr
19h 05m
19h 10m
19h 15m
19h 20m
19h 25m
19h 30m
Zone 269, Map 2
Normal Image
ζ
Ascella
Zeta Sgr
-32°00'
-31°00'
h5095 h5091
-30°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
-33°00'
h5111
h5107
Cordoba 233
-34°00'
h5094
Innes 644
Terzian 7
19h 30m
19h 25m
19h 20m
19h 15m
19h 10m
19h 05m
19h 00m
Zone 269, Map 2
Mirror Image
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
-30°00'
Ascella
Zeta Sgr
h5095
-32°00'
h5091
-31°00'
ζ
-33°00'
h5111
h5107
Glasenapp 15
h5094
-34°00'
Cordoba 233
Innes 644
Terzian 7
19h 00m
19h 05m
19h 10m
19h 15m
19h 20m
19h 25m
19h 30m
Zone 269, Map 3
Normal Image
-36°00'
-35°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
h5080
Corona Australis
γ
Gamma CrA
Brisbane 14
ε
-39°00'
-38°00'
α
-37°00'
NGC 6723
β
19h 30m
19h 25m
19h 20m
19h 15m
19h 10m
19h 05m
19h 00m
Zone 269, Map 3
Mirror Image
-36°00'
-35°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
h5080
Brisbane 14
ε
-37°00'
NGC 6723
Corona Australis
γ Gamma CrA
-39°00'
-38°00'
α
β
19h 00m
19h 05m
19h 10m
19h 15m
19h 20m
19h 25m
19h 30m
Zone 269, Map 4
Normal Image
-25°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
-26°00'
h5144
-27°00'
ω
h2877
-29°00'
-28°00'
h5164
20h 00m
19h 55m
19h 50m
19h 45m
19h 40m
19h 35m
19h 30m
Zone 269, Map 4
Mirror Image
-25°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
-26°00'
h5144
h5119
h2877
-29°00'
-28°00'
H N 119
-27°00'
ω
19h 30m
19h 35m
19h 40m
19h 45m
19h 50m
19h 55m
20h 00m
Zone 269, Map 5
Normal Image
-30°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
-31°00'
h5152
-34°00'
-33°00'
-32°00'
M55
NGC 6809
Terzian 8
θ2 Theta 2 Sgr
20h 00m
19h 55m
19h 50m
19h 45m
19h 40m
19h 35m
19h 30m
Zone 269, Map 5
Mirror Image
-30°00'
Sky charts generated by TheSky Software; used by permission of Software Bisque Inc.
-31°00'
h5152
-34°00'
-33°00'
-32°00'
M55
NGC 6809
Terzian 8
θ2
19h 30m
19h 35m
19h 40m
19h 45m
19h 50m
19h 55m
20h 00m
Zone 269
20 Double Stars, 3 Globular Clusters
A
h5095 ..................................................... 8
h5101 ..................................................... 2
h5107 ..................................................... 9
h5111 ..................................................... 9
h5113 ..................................................... 6
h5119 ..................................................... 5
h5152 ................................................... 14
Arp 2 .................................................... 10
B
Bos 2475 ................................................ 3
Brisbane 14 .......................................... 11
C
Cordoba 233 .......................................... 7
Cordoba 234 .......................................... 5
I
Innes 644.............................................. 10
G
N
Gamma CrA......................................... 12
NGC 6723 ............................................ 13
NGC 6809 ............................................ 15
H
H N 119 ................................................. 3
h2877 ................................................... 14
h5080 ................................................... 11
h5091 ..................................................... 8
h5094 ..................................................... 7
S
South 711 ............................................... 2
Z
Zeta Sgr.................................................. 4
-1-
Zone 269
Zone 269, Map 1
Double Stars
Easy
South 711
Rating: 3 E
HD 178050; SAO 187716
Position: 1908-2650
A
B
Magnitude
7.27
8.65
Separation PA
—
—
45.5 +
123 -
Year
—
1991
Spectra
G6 III
A3
Colors
W
B
Notes:
1825: 45.1 @ 125. 9 measurements. Hipparcos/Tycho data show different distances
for these stars; they may be optical. The stars have a small difference in proper motion.
Observations:
C8 at 83x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 40.5 inches; B = 7.69 inches.
Separation: AB = 32.1 miles.
Distance (LY): 452
Total luminosity (Suns): 26
h5101
Rating: 3 E
HD 180132; SAO 187901
Position: 1916-2521
A
B
Magnitude
8.67
9.61
Separation PA
—
—
21.4 +
305 -
Notes:
1834: 20.0 @ 312. 12 measurements.
-2-
Year
—
1991
Spectra
A0 V
A0 V
Colors
W
W
Zone 269
Observations:
C8 at 104x. It is pummelled by a 6m Y star 5 min W.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 9.00 inches; B = 9.00 inches.
Separation: AB = 8.44 miles.
Distance (LY): 253
Total luminosity (Suns): 2.4
H N 119
Rating: 3 E
ADS 12506; HD 183275; SAO 188192
Position: 1930-2659
A
B
Magnitude
5.59
8.84
Separation PA
—
—
7.6 +
143 +
Year
—
1991
Spectra
K3 III
Colors
Y
R
Notes:
The primary is an infra-red source and is a member of the Hyades group.
1874: 6.0 @ 142. 26 measurements.
Observations:
C8 at 83x.
C11 at 98x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 51.3 inches.
Separation: AB = 3.01 miles.
Distance (LY): 254
Total luminosity (Suns): 33
Bos 2475
Position: 1914-2548
A
B
Magnitude
9.40
9.50
Rating: 4 E
Separation PA
—
—
8.1 215 =
-3-
Year
—
1966
Spectra
F8
Colors
W
Y
Zone 269
Notes:
1933: 8.2 @ 215. 3 measurements.
Observations:
C8 at 104x. It is scorched by a 7m star just 5 min WSW.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 16.2 inches.
Separation: AB = 6.69 miles.
Distance (LY): 530
Total luminosity (Suns): 7
Zeta Sgr
Rating: 5 E
38 Sgr; Ascella, "the armpit"; Harvard 150; ADS 11950; HD 176687; SAO 187600; H
V 78
Position: 1903-2953
A
B
C
Magnitude
3.26
3.47
10.63
Separation
—
0.3 72.7 -
PA
—
228 -!
302 -
Year
—
1999
1991
Spectra
A3 IV
A2 V
Colors
Y
No
?
Notes:
It was discovered in 1867 by W. C. Winlock.
1867: 0.9 @ 258. Over 100 measurements. The orbit takes 21.14 years (Van den
Bos, 1960) and the stars are 23 AU apart. The pair was widest in 1993. Retrograde
motion. Star A is a spectroscopic binary and an infra-red source.
AC 1905: 75.0 @ 303. 3 measurements.
Observations:
C8 at 83x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 10.1 inches; C = 8.14 inches.
Separation: AB = 617 feet; AC = 10.1 miles.
Distance (LY): 89
Total luminosity (Suns): 57.07
-4-
Zone 269
h5119
Rating: 5 E
ADS 12473
Position: 1929-2600
A
B
Magnitude
9.71
10.02
Separation PA
—
—
5.2 +
291 +
Year
—
1991
Spectra
F2 V
Colors
W
W
Notes:
1834: 3.0 @ 290. 10 measurements.
Observations:
C11 at 98x.
Moderate
Cordoba 234
Rating: 4 M
ADS 12189; HD 179725
Position: 1915-2719
A
B
C
Magnitude
8.59
9.39
10.51
Separation
—
2.2 +
63.1 +
PA
—
326 56 +
Year
—
1991
1969
Notes:
AB 1897: 2.0 @ 328. 21 measurements.
AC 1911: 63.0 @ 55. 4 measurements.
Observations:
C8 at 280x. It forms the NE vertex of an 8m triangle.
-5-
Spectra
A0 IV
Colors
W
W
B
Zone 269
Difficult
h5113
Rating: 5 D
ADS 12400; HD 182286; SAO 188093
Position: 1925-2919
A
B
Magnitude
5.93
10.02
Separation PA
—
—
12.1 -! 159 -!
Year
—
1964
Notes:
1837: 25.0 @ 172. 17 measurements.
Observations:
C11 at 98x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 51.3 inches.
Separation: AB = 5.09 miles.
Distance (LY): 270
Total luminosity (Suns): 25
-6-
Spectra
K3 III
Colors
Y
W
Zone 269
Zone 269, Map 2
Double Stars
Easy
h5094
Bos 428; HD 179117; SAO 211046
Rating: 2 E
Position: 1913-3351
A
B
Magnitude
7.26
7.79
Separation PA
—
—
27.9 +! 185 -
Year
—
1991
Spectra
F0 V
B4
Colors
pB
pO
Notes:
1837: 15.0 @ 243. 38 measurements.
Hipparcos/Tycho mission data show different distances for these stars (1,490 and 270
light years); they may be optical. The stars have different proper motions.
B has a 12.9m companion at 3.2 @ 6 (1965).
Observations:
C8 at 83x.
Cordoba 233
Rating: 3 E
SAO 210980
Position: 1909-3348
A
B
C
BC
Magnitude
8.11
9.09
10.51
Separation PA
—
—
11.9 +
255 =
8.0 +
329 +
Notes:
AB 1890: 11.5 @ 255. 22 measurements.
BC 1920: 2.5 @ 290. 6 measurements.
-7-
Year
—
1991
1986
Spectra
F5
F5
Colors
W
bW
?
Zone 269
The stars show similar proper motions, although Hipparcos gives different distances
(408 and 2,740 light years).
Observations:
C8 at 83x.
h5091
Rating: 4 E
HD 178076; SAO 210975
Position: 1909-3058
A
B
Magnitude
7.81
9.50
Separation PA
—
—
8.7 212 +
Year
—
1991
Spectra
G5 V
Colors
Y
rO
Notes:
1837: 12.0 @ 199. 12 measurements.
Observations:
C8 at 83x. It is the NE vertex of an 8m triangle formed with SAO 210976 (S) and
210961 (SW).
h5095
Rating: 4 E
SAO 211057
Position: 1913-3056
A
B
Magnitude
9.04
9.24
Separation PA
—
—
19.9 +
250 -
Year
—
1991
Spectra
A0
A0
Colors
W
W
Notes:
1835: 18.0 @ 251. 10 measurements.
The stars show similar proper motions.
Observations:
C8 at 104x. An eight-star chain of 9m stars runs N-S about 10 min E of here.
-8-
Zone 269
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 6.51 inches; B = 6.58 inches.
Separation: AB = 18.6 miles.
Distance (LY): 600
Total luminosity (Suns): 16
h5107
Rating: 4 E
HD 181199; SAO 211200
Position: 1921-3303
A
B
Magnitude
8.17
9.91
Separation PA
—
—
13.7 +
126 -
Year
—
1994
Spectra
G2 V
G0
Colors
yW
R
Notes:
1836: 13.5 @ 130. 18 measurements.
The stars share a large common proper motion.
Observations:
C8 at 83x.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 3.30 inches; B = 18.8 inches.
Separation: AB = 3.35 miles.
Distance (LY): 157
Total luminosity (Suns): 1.2
h5111
Rating: 5 E
HD 182139; SAO 211239
Position: 1925-3253
A
B
Magnitude
9.14
9.86
Separation PA
—
—
25.5 +
271 +
Notes:
1834: 20.0 @ 270. 6 measurements.
-9-
Year
—
1991
Spectra
K0 III
Colors
Y
pB
Zone 269
The stars share common proper motion even though Hipparcos gives different
distances (930 and 75 light years).
Observations:
C8 at 104x.
Moderate
Innes 644
Rating: 5 M
HD 179771; SAO 211091
Position: 1915-3417
A
B
Magnitude
7.86
10.90
Separation PA
—
—
7.9 +
166 +
Year
—
1966
Spectra
K0 III
Colors
Y
W
Notes:
1909: 5.0 @ 160. 4 measurements.
Observations:
C8 at 104x.
Deep Sky Objects
Difficult
Arp 2
Position: 1929-3021
Type: Gc
Rating: 5 D
Magnitude: 12.3
Dimensions: 2.3'
Notes:
This remote globular lies 70,000 light years from the Galaxy’s center. It was
discovered in 1965. It might be a globular from the Sagittarius Dwarf Elliptical galaxy.
Observations:
C11 at 98x. Rich field. Very faint and somewhat spread out group. A bright star
(11m) lies just W. 8 to 10 stars were resolved, with much background haze.
- 10 -
Zone 269
Distance (LY): 93,300
Total luminosity (Suns): 8,200
Zone 269, Map 3
Double Stars
Easy
Brisbane 14
Rating: 2 E
HD 176270; SAO 210816
Position: 1901-3704
A
B
Magnitude
6.44
6.73
Separation PA
—
—
12.8 280 -
Year
—
1991
Spectra
B8 IV
B8
Colors
B
B
Notes:
1837: 13.0 @ 283. 41 measurements.
Both components are spectroscopic binaries. The B star is an infra-red source.
The stars show similar proper motions, although Hipparcos gives different distances
(252 and 437 light years).
Observations:
C8 at 104x. It lies 12 min WSW of the faint reflection nebula NGC 6726 (which I
have never glimpsed in my 8-inch scope).
h5080
Rating: 4 E
HD 176616; SAO 210853
Position: 1903-3606
A
B
Magnitude
7.39
8.80
Separation PA
—
—
5.5 +
246 -
- 11 -
Year
—
1991
Spectra
A0 IV
B
Colors
yO
W
Zone 269
Notes:
1834: 5.0 @ 248. 19 measurements.
Observations:
C8 at 206x. Moderate field.
Scale model (in which the Sun is the size of a baseball):
Diameter: A = 11.7 inches; B = 2.85 inches.
Separation: AB = 8.49 miles.
Distance (LY): 990
Total luminosity (Suns): 93
Moderate
Gamma CrA
h5084; SAO 210928
Rating: 3 M
Position: 1906-3704
A
B
Magnitude
5.01
5.05
Separation PA
—
—
1.3 +
62 +?
Year
—
1999
Spectra
F8 V
F8 V
Colors
Y
Y
Notes:
1834: 1.2 @ 217. Over 100 measurements. Quadrant reversal?
Period is 122 years, semi-major axis of 1.90", motion retrograde.
The primary is a member of the Hyades Group and is a spectroscopic binary.
The orbital period is about 120.42 years.
Observations:
C8 at 280x. It was a yellow peanut!
- 12 -
Zone 269
Deep Sky Objects
Difficult
NGC 6723
Other Names: Dunlop 573
Rating: 5 E
Position: 1900-3638
Type: Gc
Dimensions: 7'
Class: 7
Magnitude: 6.0
Notes:
James Dunlop discovered it in 1826 and easily resolved it.
The brightest stars are 12.8m and the horizontal branch is 15.5m.
Observations:
C8 at 206x. Large and semi-resolved, it is nestled inside a 9m triangle.
Model (where the Sun is a baseball):
Its diameter would be 18,350 miles.
Distance (LY): 28,000
Luminosity (suns): 424,000
- 13 -
Zone 269
Zone 269, Map 4
Double Stars
Easy
h2877
Rating: 4 E
HD 184080; SAO 188277
Position: 1934-2703
A
B
Magnitude
8.92
9.78
Separation PA
—
—
27.9 +
72 -
Year
—
1991
Spectra
K0 III
G5
Colors
Y
Y
Notes:
1830: 20.0 @ 77. 14 measurements.
Observations:
C8 at 104x. Moderate field.
Zone 269, Map 5
Double Stars
Easy
h5152
Innes 1406; HD 187887
Rating: 4 E
Position: 1954-3016
A
B
Magnitude
8.74
9.57
Separation PA
—
—
6.0 +
149 -
- 14 -
Year
—
1992
Spectra
K0 III
Colors
W
dB
Zone 269
Notes:
1835: 3.0 @ 154. 24 measurements.
Hipparcos/Tycho mission data show different distances for these stars (308 and 75
light years); they may be optical.
Observations:
C8 at 83x.
Deep Sky Objects
Easy
NGC 6809
Rating: 2 E
Other Names: M55
Astronomical Leage Program: Messier Club, Messier Binocular Club
Position: 1940-3058
Type: Gc
Dimensions: 15'
Class: 11
Magnitude: 7.0
Notes:
Lacaille discovered it in 1752; Messier
cataloged it on July 24, 1778. (He tried to locate it
in vain on July 29, 1764.)
It is 80 light years in diameter. The brightest
stars are 11.2m and the horizontal branch is 14.4m.
Observations:
C8 at 206x. Large and faint, it was resolved at
80x. It looks nice under medium powers, and has a
loose look.
C11 at 98x. Large and resolved, with many
chains. It is slightly assymmetric.
14x70 Binos— large and bright; not resolved,
but very rapidly brighter middle.
Model (where the Sun is a baseball):
Its diameter would be 28,090 miles.
Distance (LY): 20,000
NGC 6809 (M55)
Globular cluster
Observed with C11 on 9/21/03
Magnification: 98x
Okie-Tex Star Party
Luminosity (suns): 86,000
- 15 -
Zone 269
Zone 269 Mini-Catalog
Double Stars
Designation
Position
Rating
Map
Brisbane 14
1901-3704
2E
3
h5094
1913-3351
2E
2
South 711
1908-2650
3E
1
Cordoba 233
1909-3348
3E
2
h5101
1916-2521
3E
1
H N 119
1930-2659
3E
1
h5080
1903-3606
4E
3
h5091
1909-3058
4E
2
h5095
1913-3056
4E
2
Bos 2475
1914-2548
4E
1
h5107
1921-3303
4E
2
h2877
1934-2703
4E
4
h5152
1954-3016
4E
5
Zeta Sgr
1903-2953
5E
1
h5111
1925-3253
5E
2
h5119
1929-2600
5E
1
Gamma CrA
1906-3704
3M
3
Cordoba 234
1915-2719
4M
1
Innes 644
1915-3417
5M
2
h5113
1925-2919
5D
1
Component
A
B
A
B
A
B
A
B
C
BC
A
B
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
C
A
B
A
B
- 16 -
Mag
6.44
6.73
7.26
7.79
7.27
8.65
8.11
9.09
10.51
8.67
9.61
5.59
8.84
7.39
8.80
7.81
9.50
9.04
9.24
9.40
9.50
8.17
9.91
8.92
9.78
8.74
9.57
3.26
3.47
10.63
9.14
9.86
9.71
10.02
5.01
5.05
8.59
9.39
10.51
7.86
10.90
5.93
10.02
Separation
—
12.8 —
27.9 +!
—
45.5 +
—
11.9 +
PA
—
280 —
185 —
123 —
255 =
8.0 +
—
21.4 +
—
7.6 +
—
5.5 +
—
8.7 —
19.9 +
—
8.1 —
13.7 +
—
27.9 +
—
6.0 +
—
0.3 72.7 —
25.5 +
—
5.2 +
—
1.3 +
—
2.2 +
63.1 +
—
7.9 +
—
12.1 -!
329 +
—
305 —
143 +
—
246 —
212 +
—
250 —
215 =
—
126 —
72 —
149 —
228 -!
72.7 —
271 +
—
291 +
—
62 +?
—
326 63.1 +
—
166 +
—
159 -!
Zone 269
Deep Space Objects
Object
NGC 6809
NGC 6723
Arp 2
Position
1940-3058
1900-3638
1929-3021
Rating
2E
5E
5D
Map
5
3
2
Type
Gc (11)
Gc (7)
Gc
- 17 -
Specifications
Surface
Mag
Br
7.0
6.0
12.3
Population