NGC 820
 
NGC 820 is a spiral galaxy located in the constellation of Aries. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 820:
| NGC: | NGC 820 | 
| Type: | galaxy | 
| Galaxy type: | spiral | 
| Galaxy morph class: | Sb | 
| Constellation: | Aries | 
| Surface brightness: | 22.7 mag/arcsec2 | 
| B-mag (blue): | 13.7 | 
| J-mag (IR): | 10.7 | 
| H-mag (IR): | |
| K-mag (IR): | 10.0 | 
| Right Ascension: | 02:08:24.98 | 
| Declination: | 14:20:58.40 | 
| Major axis: | 1.34 ' | 
| Minor axis: | 0.79 ' | 
| Angle (major axis): | 67° | 
| Radial velocity: | 4395 km/s | 
| Redshift: | 0.01477 | 
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS