M 47

Full resolution (1600x1200 px  550kB)

DSLR widefield image (f=540mm)

Object data of M47

Object type: open star cluster (I3m)
Size: 30'
Magnitude: 4.4 mag
Constellation: Pup
Distance: 1,600 Ly
Notes: Open cluster M47 is a coarse cluster of bright stars, and contains about 50 stars in a region 12 light years in diameter.

Exposure data

Date: 2011-01-16
Location: Nussbach / Austria (400m)
Telescope: 12" Newtonian telescope (f=1120mm)
Camera: ST2000XM with CFW8 and Baader Filters
Binning: L 1x1 / RGB 1x1
Exposure time: L 28x2m / R 4x5m / G 4x5m / B 4x5m
Exposure time total: 1h 56m
Notes: captured near horizon in a bright moon night