
| Object Data | |
| Description | NGC3521 is tightly wound and has a mottled surface reminiscent of the Sunflower Galaxy (M63). |
| Constellation | Leo, the Lion |
| Right Ascension | 11h 6m 2s |
| Declination | -0° 3' 29" |
| Magnitude | 9.7 |
| Angular size | 10.8 x 5.4 arcminutes |
| Distance | 11.5 megaparsecs (37 million light years) |
| Radial Velocity | 806 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 exposures of two minutes each. Aligned, stacked, and processed with AstroArt. |
| Date | March 20, 2004 |
| Location | Mid Florida Star Gaze at Kye's Star Farm in Venus, Florida. |