NGC 2237 (Rosette Nebula) in Ha & O III

Two color narrowband image. The Ha is mapped as red and O III - as blue. Synthetic green channel was obtained in Photoshop using Noel Carboni's Actions

 

Technical Details:

Optics: 12" ASA Astrograph at F/3.6
Mount: ASA DDM 85
Camera: SBIG STL-11000M
Filters: Baader 8nm narrowband filters
Dates/Times: January 2011
Location: Home Observatory Varna
Exposure Details: Ha = 180 min., OIII = 180 min.
Subexposures: 30 minutes
Acquisition: CCD Soft
Processing: PixInsight, Photoshop CS
     
 

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