sponsored by psychohistorian.org
Imaged by Dale Liebenberg
Subject: NGC 6618
Date: 2011 September
Scope: Celestron EdgeHD 14"
Mount: ASA DDM60
Camera: SBIG STL11000M, Astrodon 3nm NB and RGB filters
Guiding: Astrodon MMOAG with SBIG remote guide head
Rotator: Astrodon Takometer
Focuser: Motorised main focuser with Robofocus and FocusMax
Location: Port Elizabeth, South Africa
Exposure: 8x30min each 3nm Ha,OIII,SII and 15x4min each RGB (blended highlights)
Image scale 0.47 arsec/pixel
Captured with MaximDL. NB Calibrated and group combined with MaximDL. RGB Calibrated and group combined with CCDStack
Colour combined and processed in PS CS4
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