LRGB image
Target Information
- ALTERNATIVE DESIGNATION(S):
- Messier 81 (left): M81, NGC 3031, Bode’s Galaxy
- Messier 82 (right): M82, NGC 3034, Cigar Galaxy
- TYPE:
- Messier 81: spiral galaxy
- Messier 82: starburst galaxy
- CONSTELLATION: Ursa Major (both)
- DISTANCE: 12 million light years (both)
Imaging Information
- IMAGING DATE(S): March 2016, April 2016
- L: 10 min subs x 15, Bin 1×1
- R: 5 min subs x 10, Bin 2×2
- G: 5 min subs x 10, Bin 2×2
- B: 5 min subs x 10, Bin 2×2
- TOTAL EXPOSURE TIME: 300 mins = 5 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
- PROCESSING SOFTWARE: PixInsight