Blue Snowball Nebula (NGC 7662)
The Blue Snowball Nebula (NGC 7662) is a planetary nebula in the west of the constellation Andromeda, 2.5 degrees west-southwest of the star Iota Andromedae. One of the easiest planetaries to observe with small instruments, it appears blue-green and has a very faint central star that is variable with a magnitude range of 12 to 16. The image shown here was obtained by the Hubble Space Telescope.
| visual magnitude | 8.3 |
| angular size | 32" × 28" |
| distance | 2,200 light-years |
| position | RA 23h 25m 54s, Dec +42° 37' |
| other designations |
PK 106-17 1, GCRV 14695, PN ARO 20 |
