NGC 436 + NGC 457

100% Auflösung (1437 x 1027px)

Exposure data

Telescope:    4.5" Newton f=440mm
Camera:    SBIG ST2000XM
Filters:    SBIG LRGB
Exposure times:    L:30x3min R:5x3min G:5x3min B:5x3min
Exposure time total:    2h 15min
Mount:    Vixen New Atlux
Location:    Erdweg/Germany (500m)
Date:    2007-08-26
 
Object data of NGC 457

Object type:    Open cluster (l 3 r)
Size:    20'
Magnitude:    6.4 mag
Constellation:    Cassiopeia
Distance:    9000 Ly