M8 - NGC6523 / M20 - NGC6514 / M21 - NGC6531 / NGC6544

in Sagittarius

M8 M20

Optic
Canon EF 135mm f/2 L
Mount
Losmandy G11
Camera
Alccd12 (QHY12)
Exposure time
RRGB: 6x15min (Gain: 20, Offset: 136)
Processing
PixInsight 1.7
Date / Time
29th June 2011
Location
Niederoesterreich / Bucklige Welt
Notes
Bias and Flat-corrected, Chip Temp. -28°C

astrophotos © by manfred schwarz