1.3X crop| 0bject | M97 Planetary Nebula in Ursa Major (Owl Nebula) |
| Date | March 12-20, 2021 |
| Exposure | HαLRGB 165:270:120:120:110 (13.1 Hours, cropped) |
| Camera | STL11000M with AstroDon Gen II filters |
| Telescope | ASA 10N f/3.7 on AP900 GTO CPO3 |
| Guiding | Remote guide head with 50 mm MiniBorg |
| Processing | MaximDL, Photoshop CS6, AstroActions, Topaz Denoise AI |
| Comments | Moderate seeing; acquired with MaximDL from Animas NM |
| 0bject | M97 Planetary Nebula & M108 Galaxy in Ursa Major |
| Date | March 5-8, 2017 |
| Exposure | OSC 400 minutes (6.67 hours) |
| Camera | ST8300C |
| Telescope | Takahashi FSQ 106N on Losmandy G-11 w/Gemini |
| Guiding | QHY5IIL w/Meade 50mm |
| Processing | MaximDL, Photoshop CS6, AstroActions, NIK Define2 |
| Comments | Heavy light pollution and waxing moon; acquired from Ellisville MO |
|
ObjectObject |
M97 Planetary Nebula & M108 Spiral Galaxy in Ursa Major |
| Date | February 5-6, 2013 |
| Exposure | LRGB 240:30:30:30 |
| Camera | STL11000M with AstroDon Gen II filters |
| Telescope | ASA 10N f/3.7 on AP900 GTO CPO3 |
| Guiding | Remote guide head with 50 mm MiniBorg |
| Processing | MaximDL, Photoshop CS5, GradientXterminator, AstroActions |
| Comments | Cold, moderate seeing but lots of light pollution; acquired with CCD Commander |
|
Object |
M97 Planetary Nebula in Ursa Major (Owl Nebula) |
| Date | 3/29 and 3/30/2005 |
| Exposure | LHaRGB 99:9:27:27:30 (Ha + Red 50/50) |
| Camera | SXV-H9 w/ Schuler filters |
| Telescope | Meade LX200 10" f/6.3 on Losmandy G11 |
| Guiding | ST-4 guided |
| Processing | MaximDL, FITS Liberator, Photoshop CS |
| Comments | Clouds on 3/29 and very windy on 3/30 |