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Location: Eversley, United Kingdom
Date: 17 November 2018
TS Optics 60ED refractor, with 0.79x reducer on Celestron AVX mount
Imaging camera: ZWO 1600mm camera with ZWO LRGB filters
Guide camera: ZWO 120mc-s on ZWO mini guidescope
Image details: Image is constituted of the under:
18 no, Luminance x 5 min
10 no. Red x 5 min
10 no. Green x 5 min
3 no. Blue x 5 min (Target went behind trees)
Processed in Pixinsight
Another test shot for brand new lens (same night as other tests of the same lens).
Again, main stars and their colors are not distinct enough.
Gear: Olympus E-PL6 with Panasonic 25mm/1.7 at F/2.5 on poorly-tracked panoramic head and static tripod
Capture: 16 lights x 10s x 1600 ISO, master bias
Site: deep country 26km from Limoges, France
Sky: good (not measured, usually SQM around 21.4)
Processing: Regim 3.4, Fotoxx 12.01+
Another M27, this time with H-alpha added: I set out to capture the outer shell, no matter how little or much. It may not be perfect, but I'm happy with it. 2x15min, 2x10min, 31x5min, RGB 5x5 in each channel, bin x1, altogether 4:40h of exposure. This is an HaRGB image, Ha integrated into red, and the separate HaR used as luminance.