M 8 (Lagoon Nebula)

Near RGB image. A little amount of H alpha and O III data (20%) were added respectively to the red and blue channels.


Technical Details:

Optics: 12" ASA Astrograph at F/3.6
Mount: ASA DDM 85
Camera: SBIG STL-11000M
Filters: Astronomik RGB filters + Baader 8 nm Ha and O III filters
Dates/Times: 24 and 25 June 2011
Location: Avren, Varna
Exposure Details: R = 50 min., G = 50 min.,B = 60 min., Ha = 60 min, O III = 60 min
Subexposures: RGB = 5 minutes, Narrowband = 15 minutes
Acquisition: CCD Soft
Processing: PixInsight, Photoshop CS

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