M110 = NGC205 ( 0h 40.4m +41°41´, 8.0 mag. )
This dwarf elliptical companion of M31 in Andromeda was discovered by Messier on Aug. 10, 1773, but he never entered it in his oroginal catalog - however, he published its description and engraving in 1807. It measures about 5,400 ly and apart from population II stars, contains two small dust clouds. M110 is visible in binoculars 30' NW of the centre of M31 (see finder chart below).
M110 image was taken on Aug. 28, 1998 from Sooke, BC using Cookbook 245 LDC CCD camera on Ultima 8 f6.3 telescope, autoguided with Cookbook 211 LDC CCD camera on piggybacked 500mm f8 telephoto lens. It is composed of W (7 x 4 min.) and CMY (3 x 4 min. each) integrations processed with AIP4WIN. Corel PhotoPaint 8 was then used for further adjustment in Lab color space.
North is to the right.
Map created in Guide 7.0 - 9° x 10°. North is up.
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© Jan Wisniewski