▣ Astro 60D - Dark Frame Comparison

1. ASA1600, 450sec Exposure, Ambient air temperature 22℃

 A. Original images (Center 1:1 crop)

 B. Level emphasized in Photoshop :255 → 100 (Center 1:1 crop)

 C. Level emphasized in Photoshop :255 → 30 (Center 1:1 crop)