Caldwell Objects
I recommend a book entitled 'The Caldwell Objects' by Stephen James O'Meara, 2002
Note: This gallery should be automatically sorted by Caldwell #.
Caldwell 94 - NGC4755 - Jewel Box Cluster - 18/1/2013 (Processed stack)
Imaged at Perth Observatory, Bickley SVN area 32 00' 27'S 116 08' 12" E
DeepSkyStacker 3.3.2 Stacked 85% of 13 Images ISO 800 120 Sec, 65 DARK, 75 BIAS, 0 FLATS, Post-processed with Adobe Photoshop CS5
Telescope - Bintel BT200 f/4.0 Newtonian (borrowed from Stephen Boyd) with Baader MPCC Coma Corrector, Hutech LPS-P2 filter, Canon 40D DSLR field 64' x 95', Ambient 16C.
EQMOD EQASCOM with Ascom 6 for mount countrol. Backyard EOS 2.09 for Image acquisition. Mount - Skywatcher NEQ6 Pro. Guidescope - Orion ShortTube 80 with Starlight Xpress Superstar (mono) CCD guide camera and Stark Labs PHD auto guiding software.
ngcngc4755 c94 jewel box clusteropen clustercaldwellc94 jewel box cluster
From 2013 Where to next?
