Astronomy | astro_images | Medusa_LRGB_HaO3_web
Abell 21, Medusa Nebula in Gemini
1/30- 1/31/2017 12.5" Planewave telescope and QSI-640ws camera at f/8, 14.5 hours
Abell 21, Medusa Nebula in Gemini
1/30- 1/31/2017 12.5" Planewave telescope and QSI-640ws camera at f/8, 14.5 hours