NGC 6940
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NGC 6940
NGC 6940 is an open cluster in the constellation Vulpecula. It was discovered by William Herschel in 1784. The cluster is nearly a billion years old and it is located 2,500 light years away. It is considered the finest open cluster in the constellation.
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It is located a bit more than two degrees south-southeast of 41 Cygni and three and a half degrees southwest from 52 Cygni. The cluster is bright enough to be seen even with small binoculars, which can partially resolve it.
NGC 6940 is included in the Herschel 400 Catalogue.
| Observation Log Information | |
|---|---|
| Log Index: | 406 |
| Session: | 147 |
| Date: | 1992-10-02 |
| Equipment: | 10.1inNw26mmPlossl |
| Location: | ABCarslandJohnsonIsland |
Keywords: NGC 6940, 110 Finest NGCs, Vulpecula, open cluster
February 14, 2024
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Roger Nelson
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