M40 - Double Star
| Object | M40, Double Star Asterism, in Ursa Major, with galaxies NGC4290, NGC4284 | |
| Telescope (Photo) | Meade LX200GPS 12” SCT @ f/6.3 | |
| Telescope (Guiding) | None (Unguided) | |
| Camera (Photo) | Canon 20Da DSLR | |
| Camera (Guiding) | Meade DSI w/Autostar Envisage | |
| Exposure Detail | Combination of 10 images at 20 seconds each, ISO3200; RAW file conversion, full calibration (bias, flat, dark), and image processing using PixInsight 1.8.9 | |
| Location | Chiefland Astronomy Village, Florida (N29.409, W82.860) | |
| Date | 04/17/07 (reprocessed 08/23/2024) |