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 #.
C65 Sculptor Silver Coin Silver Dollar Galaxy - 20/10/2021 (Processed Cropped LRGB stack)
Imaged at iTelescope dark sky site (T?? - site not disclosed)
iTelescope Premum 20 subscription image set, Telescope D=???mm f/??? FL=????, LRGB filters, Camera chip 3056 x 3056 pixels with field ~30'
AstroPixelProcessor 2.00 (Beta 2) Stacked 100% (12) of 12 Images (3R, 3G, 3B, 3L) @ 300 Sec, Calibrated by iTelescope, Post-processed with APP for sky background and colour gradient and for star colour balance. Further processed in Adobe Photoshop CC 2022
CaldwellC65 Sculptor Silver Coin Silver Dollar GalaxyGalaxyNGCNGC253 C65 Sculptor Silver Coin Silver Dollar Galaxy
