25 Mar 2026
The Whirlpool Galaxy is an interacting grand-design spiral galaxy with a Seyfert 2 active galactic nucleus. It lies in the constellation Canes Venatici, and was the first galaxy to be classified as a spiral galaxy. (source Wikipedia). Dataset processed in Pixinight with Noise, Blur and Star Exterminator scripts included in the workflow.
M51
21 credit
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Luminance | 189 | 6h40m | 127 |
| Green | 130 | 4h36m | 127 |
| Red | 135 | 4h44m | 126 |
| Blue | 130 | 4h34m | 126 |
| Halpha | 36 | 1h15m | 126 |