Done in RGB before, narrowband this time.
| Object ID | Medusa nebula PK205+14.1, Abell 21, Sharpless 2-274 |
| Details | Planetary nebula, Gemini Surface brightness about 16 20-04-13 22:06 UT -> |
| Telescope | 250mm f4.8 Newtonian |
| Camera | Atik 460EX @-15C |
| Exposure(s) | 10x300s each Ha, OIII |
| Capture | APT |
| Processing | APP, Photoshop |
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