North America and Pelican Nebulae

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drja...@aol.com

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4:32 AM (17 hours ago) 4:32 AM
to croydo...@googlegroups.com
This image was taken in the clear spell in early January using the Dwarf 3 smart refractor telescope, 35mm/f4.3 in mosaic mode, 2 x 2 panels, 50 x 15 second exposures per panel, at gain 60, using the built in duo narrow band filter (Ha and Oiii), autofocus, with 25 matching darks, plus Dwarf 3 specific master flat and bias frames that are supplied with the telescope. 

Apart from the panel overlaps, the integration time was only 12½ minutes per panel and imaging time for the full mosaic was 4 times that.  A per panel integration time for much better detail would be in the region of 600-1000 frames @15 seconds per, requiring the elusive excellent weather over a few days.

Processing was by DwarfLab stitching and AI noise reduction software, and Pixinsight background extraction and curves.

As far as I know, the N America nebula is not currently for sale.

James

  
image0.jpeg








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