IC1805 is part of a rich (but faint) nebula complex in the constellation Cassiopeia.
At it's center is the bright young star cluster Mellote 15.

Imaged November 7 and 10 2007
6 hours and 40 minutes total exposure
Orion ED80 F/7.5 and CGE mount
ST-4 guided through WO66 SD at 388mm
Modified Canon 350XT
Baader UHC-S and IR/UV cut filters
50x480 second 800 iso sub exposures