NGC 3681
 
NGC 3681 is a spiral galaxy located in the constellation of Leo. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 3681:
| NGC: | NGC 3681 | 
| Type: | galaxy | 
| Galaxy type: | spiral | 
| Galaxy morph class: | Sbc | 
| Constellation: | Leo | 
| Surface brightness: | 22.3 mag/arcsec2 | 
| V-mag (visual): | 11.9 | 
| B-mag (blue): | 12.4 | 
| J-mag (IR): | 9.91 | 
| H-mag (IR): | |
| K-mag (IR): | 9.22 | 
| Right Ascension: | 11:26:29.80 | 
| Declination: | 16:51:47.50 | 
| Major axis: | 1.74 ' | 
| Minor axis: | 1.68 ' | 
| Angle (major axis): | 10° | 
| Radial velocity: | 1239 km/s | 
| Redshift: | 0.00414 | 
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS