Crescent Nebula or Van Gough's Ear Nebula (NGC6888) in Cygnus

(RA 20h 12.0m , Dec. +38°21', 18 x 13 arcmin.)

This nebula was created by a Wolf-Rayet star and it is located about 2°45' SW of g Cygni (see finder chart below). NGC7635 in Cassiopeia and NGC2359 in Canis Major are other examples of such objects.

The above image was taken on July 15, 1999(color component) from Sooke, BC and October 20, 2001 from Harrowsmith, Ontario (brightness component). Cookbook 245 LDC CCD camera was used on Celestron Ultima 8 f3.0 telescope autoguided with Cookbook 211 LDC camera on a piggybacked 500mm f8 telephoto lens. It is composed of 72 white integrations (30 sec. each) as well as cyan, magenta and yellow-filtered integrations (5 x 120 sec., 5 x 120 sec. and 6 x 120 sec., respectively) combined with AIP4WIN. Corel PhotoPaint 8 was then used to adjust the above image in Lab color space.

North is to the right.

Map created in Guide 7.0 - 7°45' x 10°. North is up.

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© Jan Wisniewski