Adding to two hours worth of 5 minute exposures of Thor's Helmet captured on February 27th, a further two hours worth of 5 minute exposures were captured last night. The data were captured with AstroDMx Capture through a William Optics 81 mm ED APO refractor with an Altair Hypercam 533C 14 bit OSC CMOS camera with an Altair quadband filter.
The total of 4 hours (48 x 5 minute exposures) were pooled. The data were debayered, cosmetically corrected, calibrated and stacked in PixInsight with SPCC and ADBE being done in PixInsight. Further processing was done with GraXpert, Cosmic Clarity and the Gimp 2.10.
Click on the image to get a closer view
Thor's Helmet NGC 2359
Steve Wainwright and Nicola Mackin
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