Basic object information

Object name: NGC 103
Object type: Open cluster
Magnitude: 9.8
Size: 5.0'
Number of stars: 30
Magnitude of brightest star: 12.3
Object classification: II 2 p
Description: Cl,pS,pC,st 11...18 Notes: In Cas OB4

Catalog information

RA (J2000.0): 00h 25m 18.0s
Dec (J2000.0): +61 19' 00"

Constellation: Cassiopeia

Observer: Iiro Sairanen
Obs. place: Härskiänsaari, Ruokolahti, Finland
Date/Time: 3/4.11.2004 21:10

Telescope: Newton 406/1830mm

Magn: 244x


Field: 12'

NE Lim.mag: 6.0

Background sky: 4

Seeing: 3

Height: 87
Visuality: II
Weather: +3C, windy, 63% Moon is rising in NE

Compressed and strongly elongated in S-N direction. Several faint members are in the middle. The brightest stars are 11 mag but mainly 13 mag and fainter.