NGC 891
Abell 347
Annotated| 0bject | NGC 891 Galaxy and Abell 347 Galaxy Cluster in Andromeda |
| Date | November 15-18, 2022 |
| Exposure | LRGB 490:145:150:150 (15.6 hours, cropped) |
| Camera | STL11000M with AstroDon Gen II filters |
| Telescope | ASA 10N f/3.7 on AP900GTO CP3 |
| Guiding | Remote guide head with MiniBorg 50 mm |
| Processing | MaximDL, Photoshop CS6, Astronomy Tools, Topaz Denoise AI, Sharpen AI, PixInsight |
| Comments | Moderate seeing; acquired with CCD Commander from Animas, NM |
1.3X crop
|
0bject |
NGC 891 Spiral Galaxy in Andromeda |
| Date | September 28-30, 2013 |
| Exposure | LRGB 255:85:85:85 (~8.5 hours, cropped) |
| Camera | STL11000M with AstroDon Gen II filters (water assisted cooling) |
| Telescope | ASA 10N f/3.7 on AP900GTO CP3 |
| Guiding | Remote guide head with MiniBorg 50 mm |
| Processing | MaximDL, Photoshop CS5, GradientXterminator, AstroActions |
| Comments | Good seeing, FWHM 2-3 |
|
0bject |
NGC 891 Spiral Galaxy in Andromeda |
| Date | 9/16 and 9/23/2006 |
| Exposure | LRGB 60:25:25:25 (RBG binned 2x2) |
| Camera | ST2000XM with SBIG filters |
| Telescope | Celestron C8 @f/6.3 on Losmandy G11 with Gemini |
| Guiding | Self-guided |
| Processing | MaximDL, Photoshop CS2, FITS Liberator, AstroActions |
| Comments | Clear and cool |