Abell 1783  +  Arp 239

Full resolution (1600x1200 px  370kB)

Object identification (370kB)

Object data of Abell1783

Object type: galaxy cluster
Size: 30'
Magnitude: brightest galaxy: 16.3 mag
Constellation: UMa
Distance: 900 Mio Ly

Object data of Arp239

Object type: pair of interacting galaxies
Size: 1.2'
Magnitude: 15 mag
Constellation: UMa
Distance: 340 Mio Ly
Notes: consists of NGC5278 and NGC5279

Exposure data

Date: 2008-05-27 + 31 + 01
  Location: Nussbach / Austria (400m)
Telescope: 12" Newtonian telescope (f=1139mm)
Camera: ST2000XM with CFW8 and SBIG Filters
  Binning: L 1x1 / RGB 2x2
  Exposure time: L 21x12m / R 7x12m / G 7x6m / B 7x6m
Exposure time total: 7h 00m

Brightest members of Abell1783:

IC921, IC922, IC923, IC925, IC926, IC928, IC929, IC930, IC931, IC932, IC934, IC937, IC938