Hydrogen alpha image_original
Target Information
- ALTERNATIVE DESIGNATION(S): SH2-248, Jellyfish nebula
- TYPE: supernova remnant
- CONSTELLATION: Gemini
- DISTANCE: 5,000 light years
Imaging Information
- IMAGING DATE(S): December 2018
- Hydrogen alpha: 20 min subs x 20, Bin 1×1
- TOTAL EXPOSURE TIME: 400 mins = 6.7 hrs
Equipment
- TELESCOPE: Takahashi TOA-130F
- MOUNT: Software Bisque Paramount ME
- CAMERA: SBIG STL-11000XM
- GUIDING: TC-237 (internal autoguide chip)
- FILTERS: Astrodon
- IMAGE ACQUISITION SOFTWARE: TheSkyX, CCDAP5, FocusMax V4
- PROCESSING SOFTWARE: PixInsight, StarTools