NGC-147 Dwarf galaxy in Andromeda
NGC-147 is a dwarf elliptical galaxy which is a distant companion of M-31, the Great Galaxy in Andromeda. In the sky, it lies about 7 degrees NNW of M-31. It is very small, with a true diameter of about 4400 light years on its long axis. Its total luminosity is 6 million times that of our sun. Its true distance from M-32 is 250,000 light years.
This image, acquired on September 30, 2016, is a 1 hour integration of 6 minute exposures through the Celestron C-11 at f/2, using the HyperStar III imaging system and the Starlight Express SXVR-H694C color CCD camera, operating at -10 degrees below ambient temperature and binned 1 X 1. Guided, captured and combined using Maxim DL5 Pro. Post processed using PhotoShop CS2, Gradient XTerminator, StarShrink, Carboni's Astro Tools, and NoiseWare.