IC1805, or the Heart Nebula.The Heart Nebula (IC1805) is an emission nebula in the constellation of Cassiopeia. The green channel is suppressed a little and the blue has been pushed a little to modify the traditional Hubble palette.
S-II : 30x15 mins with a Baader 8 nm filter, mapped to Red
H-alpha: 26x 15 mins with a Baader 7nm filter, mapped to Green
OIII : 28x15 mins with a Baader 8.5 nm filter, mapped to Blue
Total of 21 hours. Taken with an APM80/500 and an Atik 383L+.
Imaged and processed in Sep-Oct 2014. Thanks for looking.
Ajay Narayanan