Caldwell Objects
A late 20th century amateur object catalogue of 109 objects to accompany the Messier catalogue, created by Sir Patrick Alfred Caldwell-Moore (March 1923 – 9 December 2012)
I recommend a book entitled 'The Caldwell Objects' by Stephen James O'Meara, 2002
Note: This gallery should be automatically sorted by Caldwell #.
Read MoreI recommend a book entitled 'The Caldwell Objects' by Stephen James O'Meara, 2002
Note: This gallery should be automatically sorted by Caldwell #.
Caldwell 91 - NGC3532 - Wishing Well Cluster - 9/1/2013 (Processed stack)
DeepSkyStacker 3.3.2 Stacked 85% of 13 Images ISO 800 90 Sec, 58 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 18C.
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.
ngcngc3532 c91 wishing well clustercaldwellc91 wishing well clusteropen cluster
From 2013 Where to next?
