Derby and District Astronomical Society
NGC 6940
Open cluster in Cygnus RA 20h 34m 36s Dec +28d 18m 00s
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Chris Newsome inadvertently captured the open cluster NGC 6940 in Cygnus while imaging Fragment C
of Comet 73P
Schwassmann-Wachmann on the night of the 11th - 12th May 2006. The cluster may be seen at the top left section of the picture. The image is
comprised of 20 frames of 150 seconds each taken with a Canon EOS300D camera at 200 ASA through a Skywatcher 80T refractor over a period of 56
minutes. The setup was guided by a Meade DSI and a Celestron C8-NGT using MaximDL. The setup had not been drift aligned hence the rotation
effect of the stars on the left of the image. |
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