M22 - NGC6656 global clusters

in Sagittarius

M22 - NGC 6656

Optic

APM APO 107/700 with Riccardi-Reducer f/4.9 (f=525mm)

Mount
iFornax 51 with FS2
Camera
SBIG STXL 6303e
Exposure time
RGB: 2 h 06min (each 21 x 2min)
Processing
PixInsight 1.8
Date / Time
30th May 2014
Location
Namibia, Kiripotib
Notes
no Dark, no Flat, Distance ~10400 ly

astrophotos © by manfred schwarz