M 20 (Trifid Nebula) in H alpha

 

Technical Details:

Optics: 12" ASA Astrograph at F/6.8
Mount: ASA DDM 85
Camera: SBIG STL-11000M
Filters: Baader 8 nm Ha filter
Dates/Times: 24 June 2011
Location: Avren
Exposure Details: Ha = 60 min
Subexposures: 15 minutes
Acquisition: CCD Soft
Processing: PixInsight, Photoshop CS
     
 

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