Open Clusters (Photos 76 – 100)
Click on the photo to see a larger image.
76. Messier 26
Canary One / 2020-08-20 / 00.18.09 / TC = II 3 m n
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The density of stars in the photo reflects its location. We are looking back into the bright plane of the Milky Way.
77. Messier 11
Canary One / 2020-08-20 / 00.08.18 / TC = II 2 r n
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When I first saw the photo, I thought it was a globular cluster, not an open cluster! Same point about the view as noted above.
78. NGC 6709
Chile One / 2020-08-22 / 00.40.11 / TC = IV 2 m
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79. Ruprecht 146
Chile One / 2020-09-18 / 01.45.10 / TC = IV 1 p
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80. Berkeley 80
Canary One / 2020-09-02 / 00.33.48 / TC = II 1 p n
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The cluster lies in an area that shows a number of dark nebula-like areas. You can see this near the middle of the frame.
81. Stephenson 1
Canary Two / 2020-08-28 / 23.00.16 / TC = IV 3 p
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The blue star in the center of the frame is Delta 1 Lyra. The larger orange star to the left is Delta 2 Lyra. Delta 1 Lyra lies inside the cluster. Delta 2 Lyra lies just outside the cluster.
82. NGC 6716
Chile One / 2020-08-22 / 00.25.06 / TC = IV 1 p
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I believe that the whitish area in the lower left is cloud, not nebulosity.
83. Berkeley 82
Chile One / 2020-09-21 / 01.30 / TC = III 2 p
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The two stars at the center of the frame at very near the center of this thin cluster.
84. NGC 6774
Chile One / 2020-08-22 / 00.35.06 / TC = IV 2 p
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I wondered if the whitish area at the bottom center of the frame was a comet trail. Again, I concluded it was atmospheric clouds.
85. NGC 6791
Canary Two / 2020-08-27 / 00.05.23 / TC = I 2 r
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86. NGC 6793
Chile One / 2020-08-21 / 01.31.47 / TC = III 2 p
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87. King 25
Chile One / 2020-09-18 / 01.55.23 / TC = III 2 m
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I targeted SAO 104815, which lies near the center of the frame. The cluster is on the right edge of the frame.
88. NGC 6800
Canary One / 2020-08-24 / 01.53.12 / TC = IV 1 p n
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The star field is so dense that I find it difficult to see the cluster. The entire field looks like a cluster!
89. Berkeley 47
Chile One / 2020-09-19 / 01.45 / TC = IV 2 p
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I targeted SAO 104901, the prominent in the middle of the frame. SAO 104901 is quite far from the edge of the cluster, so much so that its central position in the photo sort of “pushed” the cluster to the edges of the photo. This was one of the photos which resisted plate solving. I believe the cluster is in the lower right hand corner of the frame.
90. NGC 6811
Canary One / 2020-08-24 / 01.42.47 / TC = III 1 r
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91. Collinder 401
Chile One / 2020-08-21 / 01.50.14 / TC = IV 2 m
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The bright star near the center of the frame is SAO 124878, a double star. I think when you enlarge the photo (click on it) you can make out the secondary star.
92. NGC 6819
Canary Two / 2020-08-27 / 00.14.42 / TC = I 1 r
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93. NGC 6823
Canary One / 2020-08-24 / 00.52.57 / TC = I 3 p n
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NGC 6823 has two identities — a cluster and a nebula. Both appear in the photo.
94. Harvard 20
Chile One / 2020-09-19 / 01.40 / TC = III 2 p
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The cluster is in the center of the frame.
95. NGC 6871
Canary Two / 2020-08-25 / 00.55.33 / TC = IV 3 p n
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The unique thing about this photo, in my view, are the number of double stars at the center of the frame.
96. Biurakan 2
Canary One / 2020-09-03 / 01.33.00 / TC = III 2 p n
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The star at the center of the cluster is SAO 69512, a double (unresolved in the photo).
97. NGC 6885
Chile Two / 2020-08-23 / 00.05.11 / TC = III 2 p
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The bright blue star near the center is 20 Vulpeculae.
98. IC 4996
Canary Two / 2020-08-26 / 02.19.58 / TC = I 3 p
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99. Berkeley 85
Canary One / 2020-09-03 / 01.42.47 / RGB / TC = IV 2 m n
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I believe that the star in the upper right corner is P Cygni, at magnitude 4.8.
100. Berkeley 86
Canary One / 2020-09-29 / 22:47 / TC = I 3 p n
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I targeted SAO 69855 which lies near the center of the frame. The cluster is directly below, about halfway between the target star and the bottom of the frame.
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