A new find for me. Just red channel
| Object ID | PK205+14.1 / Abell 21 / Sharpless 2-274 Medusa nebula Gemini |
| Details | 2019-02-26 |
| Telescope | 250mm f4.8 Newtonian IDAS P2 filter |
| Camera | Atik 460EX, Baader RGB |
| Exposure(s) | 10 x 180s Red filter darks |
| Capture | APT |
| Processing | Nebulosity, Photoshop |