NGC7139 Planetary Nebula in Cepheus
(RA 21h 45.9m , Dec. +63°49', mag. 13.3, 78 arcsec.)
This dim planetary is located 3°20' NE of a Cephei (see finder chart below).
The above image was taken on October 9, 2001 from Harrowsmith, Ontario. Cookbook 245 LDC CCD camera was used on Celestron Ultima 8 f6.3 SCT autoguided with Cookbook 211 camera on a piggybacked 500mm f8 telephoto lens. Ten white exposures (240 sec. each) were combined with AIP4WIN.
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