LRGB image
Target Information
- ALTERNATIVE DESIGNATION(S): M101, NGC 5457
- TYPE: spiral galaxy
- CONSTELLATION: Ursa Major
- DISTANCE: 25 million light years
Imaging Information
- IMAGING DATE(S): April 2012
- L: 10 min subs x 14, Bin 1×1
- R: 10 min subs x 7, Bin 1×1
- G: 10 min subs x 7, Bin 1×1
- B: 10 min subs x 7, Bin 1×1
- TOTAL EXPOSURE TIME: 350 mins = 5.8 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, CCDSoft, CCDAP5
- PROCESSING SOFTWARE: CCDStack, PixInsight