Basic object information

Object name: NGC 637
Object type: Open cluster
Magnitude: 8.2
Size: 3.0'
Number of stars: 20
Magnitude of brightest star: 10.0
Object classification: I 3 p
Description: Cl,pS,B & vF stars
Notes: H VII 49

Catalog information

RA (J2000.0): 01h 43m 06.0s
Dec (J2000.0): +64 02' 00"

Constellation: Cassiopeia

Observer: Iiro Sairanen
Obs. place: Lakasenpelto, Imatra, Finland
Date/Time: 19/20.11.2004 2:40

Telescope: Newton 110/805mm

Magn: 107x


Field: 28'

NE Lim.mag: 5.4

Background sky: 4

Seeing: 3

Height: 57
Visuality: II
Weather: -12C

A loose group of 10 mag and fainter stars.