M81 - Spiral Galaxy
| Object | Spiral Galaxy (M81), in Ursa Major | |
| Telescope (Photo) | Celestron 8" SCT OTA @ f/6.3 on Losmandy G11 Mount | |
| Telescope (Guiding) | Televue 85mm refractor @ f/5.6 on Losmandy G11 Mount | |
| Camera (Photo) | Canon 20Da DSLR | |
| Camera (Guiding) | Meade DSI Pro II w/PHD Guiding | |
| Exposure Detail | Combination of 20 images at 300 seconds each, ISO1600; RAW file conversion, full calibration (bias, flat, dark, and flat dark), and image processing using PixInsight 1.8.9 | |
| Location |
Private Property at
Chiefland Astronomy Village, Florida (N29.406, W82.860) |
|
| Date | 03/22/09 (reprocessed 07/11/2024) |