m51

Informations

M51 is a spiral galaxy in the constellation Canes Venatici. It was discovered by Pierre Méchain in 1781. M51 is at a distance of about 25 million light-years away from Earth.

Those shots were taken on 2 nights, the first one is 20s x 715 and the second one is roughly 20s x 1850.

Somehow the first shot looks better than the second one, I’m not sure why, my process was not good enough for the second one.

first night second night

Photo details

📷 Camera: ZWO ASI 585mc pro

🔭 Scope: Quattro 150p

🎯 Guiding: ZWO ASI 120mm mini monochrome + SVBONY SV106 guidescope

⚙️ Mount: Celestrong cg-5 goto

🎨 Filter: UV/IR Cut filter

⏱ Exposure: 20s x 1850

🌌 ISO: 255

🌇 Bortle: 7

🖥 Processing: DeepSkyStacker, Siril, Starnet ++, Astrosharper, Photoshop