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 #.
C103 - 30 Doradus - Tarantula Nebula in Doradus - 25/3/2019 (Processed stack)
Imaged at Perth Observatory using their remotely accessible equipment.
DeepSkyStacker 4.4.1 Stacked (5) of 6 Images @ 60 Sec for Luminance and 120 Sec for each of GB and 90Sec for R, Master DARK, BIAS and FLAT applied by SkyNet platform, Post-processed with Adobe Photoshop CC 2018 to combine LRGB
Telescope - Celestron 14" f/11 with Optec ~0.5x Focal Reducer to f/5.62 F=2000mm, SBIG Filter Wheel with Open, B, V, R, IR, SPEC100, Ha and OIII filters, SBIG STT-3200M CCD camera 2184x1472 6.8µ pixels with field 26' x 17' , Optec TCF-S Temperature Compensating Focuser with FocusMAX autofocus software, CCD at -25C. Maxim DL for Image acquisition. Mount - Paramount ME. Boltwood Cloud Sensor II. TheSky planetarium software.
CaldwellC103 30 Doradus Tarantula NebulaGalactic NebulaNGCNGC2070 C103 30 Doradus Tarantula Nebula
From 2019 Refocusing 3
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