M42, M43,
and NGC 1977
| Scope | f | Mount | Camera | Film | Exposure | Digital info | Location | Date |
| TV101 | f5.4 | AP 600GTO | SBIG ST10E | A mask of a monochrome RG200 core was used | 23x5 minutes with Custom Scientific 3nm filter | Frames combined in Ray Gralak's Sigma. Reduction in CCDSoft. Processing in Photoshop | Donald C. Martin Observatory | Feb. 8, 2003 |
For information on the Messier objects on this page, please go to the SEDS Messier database at this link < http://www.seds.org/messier/ >