Eskimo Nebula (NGC2392) in Gemini
(RA 7h 29.2m , Dec. +20°55', 9.2mag., >15" in diameter)
This bright planetary nebula has noticably bluish disk. It can be spotted 2°20' SEE of d Geminorum (see finder chart below).
The above image was taken on December 2, 2000 from Harrowsmith, Ontario. Cookbook 245 LDC camera was used on Celestron Ultima 8 SCT with eyepiece projection to achieve f20. White exposures (19 x 30 sec.) were combined with cyan, magenta and yellow-filtered images (7 x 30 sec. each) using AIP4WIN software and the image was furter adjusted in Lab color space with Corel PhotoPaint 8.
It was very windy that night - so the majority of 156 acquired exposures had to be discarded. Only a quater of the original Cookbook frame is shown. North is to the left.
Map created in Guide 7.0 - 7°45' x 7°45'. North is up.
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© Jan Wisniewski