M4 - NGC6121

in Scorpius

M4 - NGC 6121

Optic
APM APO 107/700 with Riccardi-Reducer f/4.9 (f=525mm)
Mount
Fornax 51 with FS2
Camera
SBIG STXL 6303e
Exposure time
2 h (RGB, each 20 x 2min)
Processing
PixInsight 1.8
Date / Time
25th May 2014
Location
Namibia - Kiripotib
Notes
Chip-Temp: -35°C, Dark-corrected, Distance ~ 7200 ly, Acquisition software: SbigControl

astrophotos © by manfred schwarz