Basic object information
Name: NGC 7331
Type of object: Galaxy
Magnitude: 9.5
Surface brightness: 11.9 mag/sq arcmin
Size: 10.2'x4.2'
Position angle: 171
Object classification: SBc
Description: B,pL,pmE163,smbM
Notes: H I 53;UGC 12113;Brightest in group of F obj;sev dark lanes

Catalog position for epoch J2000.0
Right ascension: 22h 37m 05.1s
Declination: +34 25' 10"

Constellation: Pegasus

Observer: Iiro Sairanen
Obs. place: Härskiänsaari, Ruokolahti, Finland
Date/Time: 14/15.8.1999 1:20

Telescope: TAL-1 N110/805mm

Magn: 96x


Field: 25'

NE Lim.mag: 5.9

Background sky: 2

Seeing: 2


Pitkänomainen ja kirkas ydin, jota ympäröi halo.