Combination of 1h of 5 min exposures through an IR/UV cut filter and 1h of 5 min exposures through a quadband filter of the Leo triplet. Captured with AstroDMx Capture running on a Macbook neo, through an Askar 71F apo quadruplet astrograph refractor and an SV405C OSC camera. The data were stacked in PixInsight and further processed in GraXpert, SASPro, Picture Window Pro and Gimp3. The image was cropped to the Triplet.
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The Leo triplet
Steve Wainwright and Nicola Mackin
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