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