Basic object information
Object name: NGC 4103
Object type: Open cluster
Magnitude: 7.4
Size: 6.0'
Number of stars: 45
Magnitude of brightest star: 10.0
Object classification: I 3 m
Description: Cl,pL,pC,iR,*10...14

Catalog information
RA (J2000.0): 12h 06m 42.0s
Dec (J2000.0): -61 15' 00"

Constellation: Crux

Observer: Iiro Sairanen
Obs. place: Ambania, Mullewa, Australia
Date/time: 7/8.1.2010 0:40
Telescope: Newton 110/805 mm
Magn: 124x Filter: -
Field: 33' NE Lim.mag: 6.8
SQM: 21.0 (3) Seeing: 3
Visuality: I Height: 35
Weather: +17C, windy, scattered clouds,
48% Moon in E horizon
 

Relatively bright stars in the beautiful figure.