I reprocessed my data of M81 from last week, making stars colored and the galaxy more vibrant and alive. Changed Color Calibration to SPCC in PixInsight and didn't run SCNR. Hope you like it.
M81 captured 2026-04-22.
240x 30s
25 calibration frames each
Star Adventurer GTi
TTartisan 500mm f/6.3
ZWO 533MC
ASIair Mini
Bortle 6
Stacked & processed in PixInsight (Stretching, SPCC, Background Extraction, Gradient Correction, BlurXTerminator, NoiseXTerminator, StarXTerminator), final touches in Photoshop (star recombination & color adjustments)