HOO image (original)
HOO image (cropped)
Target Information
- ALTERNATIVE DESIGNATION(S): Sharpless 105, Caldwell 27
- TYPE: emission nebula
- CONSTELLATION: Cygnus
- DISTANCE: ~5,000 light years
Imaging Information
- IMAGING DATE(S): July 2010, August 2012
- Hydrogen alpha: 15 min subs x 15, Bin 1×1
- OIII: 20 min subs x 15, Bin 1×1
- TOTAL EXPOSURE TIME: 525 mins = 8.8 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, CCDAP, FocusMax
- PROCESSING SOFTWARE: PixInsight, StarTools