Basic object information
Object name: NGC 7662
Popular name: Blue Snowball Nebula
Object type: Planetary nebula
Magnitude: 8.3
Size: 37.0"
Magnitude of central star: 14.0
Object classification: 4(3)
Description: !!! Planetary or annular neb,vB,pS,R,blue
Notes: Blue Snowball Nebula;H IV 18;Barnard-cent * variable?

Catalog information
RA (J2000.0): 23h 25m 54.0s
Dec (J2000.0): +42 32' 00"

Constellation: Andromeda

Observer: Iiro Sairanen
Obs. place: Härskiänsaari, Ruokolahti, Finland
Date/Time: 6/7.11.2008 20:10

Telescope: Newton 457/2280 mm

Magn: 653x


Field: 8'

NE Lim.mag: 6.3

Background sky: 3

Seeing: 2

Visuality: I

Height: 70

Weather: -5C, 56% Moon in Capricornus

Blue Snowball Nebula. A very bright blue disk at lower powers. Instead 653x shows beautiful details. There is an obvious ring which is surrounded by gradually fainting halo. With averted vision it's possible to see some weak brightenings in this halo. The central star was also visible without trouble. Blue.