California Nebula, NGC 1333, IC 348, and Dust Clouds

500mm/F2.8 telescope
Nikon D800 (astro-modified)
8-frame mosaic
total exposure time = 10.7 hr
more details in <a href="http://www.astrobin.com/145334/" rel="noreferrer nofollow">www.astrobin.com/145334/</a>