
| Object Data | |
| Description | M100 has the shape of a barred spiral, but it is lacking any hint of a central bar. The arms are well wound up and it has an especially brilliant core. |
| Constellation | Virgo, the Virgin. |
| Right Ascension | 12h 23m 8s |
| Declination | +15° 47' 55" |
| Magnitude | 10.1 |
| Angular size | 7.6 x 6.1 arcminutes |
| Distance | 17.4 megaparsecs (56 million light years) |
| Radial Velocity | 1579 kilometers per second |
| Image Data | |
| Photographer | Fred Lehman |
| Main Scope | Meade 14" LX200GPS @ f/5.0 (1775mm) |
| Guide Scope | Celestron 5" SCT @ f/7.5 (950mm) |
| Guide Camera | SBIG STV |
| Imaging Camera | Starlight Xpress MX7C |
| Resolution | 780 x 580 @ 1.0 arcseconds per pixel |
| Exposure | Twenty four exposures of one minute each. Aligned, stacked, and processed with AstroArt. |
| Date | March 18, 2004 |
| Location | Mid Florida Star Gaze at Kye's Star Farm in Venus, Florida. |