Repocessed DSOs from 2015

Having dug out my images of Neptune and Triton from the blog archive in 2015 (

I was looking at the other DSO images in the same post – M27, M57, NGC2403 (C7) and NGC 6503.

I thought I would have a go at reprocessing them with another 4 years of GIMP-ery under my belt, so here they are. Given recent dialogue about faint DSOs, tracking etc, it might be interesting to note that all these images are with a scope on an alt-az (ie not equatorial) mount with individual images in the stack of no longer than 20 seconds exposure.

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