Sunday, 21 April 2013

NGC4567 and NGC4568

NGC4567 and NGC4568 . These to galaxies are situated in the constellation of Virgo and are commonly named the Siamese twins. This pair of galaxies shine at magnitudes 11 and 12 and lies at a distance of about 80 million light years. A ten inch f/4.8 reflector was used with PHD auto guiding and an Atik 383L mono CCD camera. Five minute sub frames and dark frames were captured with total exposure times of 40 minutes for each colour filter ( RGB filters):