Comet C/2021 A1 Leonard - 1/1/2022 (Processed cropped stack)
Despite being 140km from Perth, there was quite a gradient in the west. This has been reduced using Astorflat. The comet tail extends about 8-10 degress in this image.
DeepSkyStacker 4.2.6 Stacked 85% (31) of 36 Images ISO 1600 @ 120 Sec, 47 DARK @ 120 Sec, 19 BIAS, 20 FLATS, Post-processed with Adobe Photoshop CC 2022
Lens Canon EF 50mm f/1.8 at f/3.5 with Hakuba Skylight (1A) filter, Baader modified Canon 70D DSLR field 17 x 25 Deg , Ambient ~22C. Skywatcher Star Adventurer mount with Sidereal tracking only.
From 2022 Remote Control
