M 100, NGC 4323 and NGC 4328
Messier 100 (also catalogued as NGC 4321) is a spiral galaxy in the constellation Coma Berenices. One of the brightest galaxies in the Virgo cluster, M 100 is approximately 55 million light-years from Earth and has a diameter of about 160,000 light years. Discovered by Pierre Méchain in 1781 and subsequently entered in Messier's catalogue of nebulae and star clusters. A satellite galaxy NGC 4323 is present below the main galaxy and the elliptical galaxy NGC 4328 could be seen at the righ.
|Optics:||ASA N 12 Astrograph at /6.8|
|Mount:||ASA DDM 85|
|Filters:||Astronomik LRGB filter set|
|Dates/Times:||22 April 2012|
|Exposure Details:||L = 60 min, R = 30 min; G = 30 min; B = 30 min.|
|Processing:||PixInsight, Photoshop CS|