M-90 (NGC-4569) is an intermediate Type Sb spiral galaxy in the constellation of Virgo. It lies approximately 60 million light years from Earth, and 160,000 light years in diameter. It was discovered by Charles Messier in March of 1781.
This image, acquired on April 23, 2012, is a 20 minute integration of 90 second 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.