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 #.
Prawn Nebula and surrounds - 21/9/2019 (Processed stack)
Imaged ~10km east of Mt Magnet
See also cropped version.
DeepSkyStacker 4.2.2 Stacked 75% (23) of 31 Images ISO 1600 @ 120 Sec, 25 DARK @ 120 Sec, 32 BIAS, 17 FLATS, Post-processed with Adobe Photoshop CC 2019
Pentax SMC Takumar 200mm f/4, 37mm stop ring to f/5.4, M42/EOS adapter, Hoya UV filter, Baader BCF modified Canon 70D DSLR field 381' x 254' , Ambient ~15C. SkyWatcher Star Adventurer EQ mount unguided sidereal drive.
C76 NGC6231 False Comet ClusterCaldwellGalactic NebulaGumICIC4628 Gum56 Prawn Nebula in ScorpiusNGCNGC6281 Open ClusterNGC6231 C76 False Comet ClusterNGC6242 Open ClusterOpen ClusterStarMu ScorpiiZeta Scorpii
From 2019 Refocusing 3
