View Full Version : Astrophoto: The Great Orion Nebula by Arturo Montesinos

2011-Sep-28, 09:40 AM
Arturo Montesinos captured this photo of the Great Orion Nebula using 100 30-second exposures shot under computer control with a Nikon D40 camera at the prime focus of a Celestron NexStar 102 SLT 4-inch refractor. “I used the astrometry.net software to solve each of the 100 photos, then the Swarp program to reproject and co-add [...]

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