This is the first more or less adequate result with the Optolong L-eNhance 1.25 “filter. The filter cuts off most of the city light pollution, but at the same time passes the H-alpha, OIII and H-beta lines. Ghosting appears around bright stars, but personally they don’t bother me, I will continue testing the filter.

Туманность NGC 281 Пакман, 2 декабря 2019 года

NGC 281 Pac-Man nebula. December 2, 2019

-Samyang 135mm f/2.0 ED UMC Canon EF lens
Optolong L-eNhance 1.25″ filter
ASI ZWO 183MC camera
-finder-guider 50 mm + QHY5III178m camera
-Sky-Watcher AZ-GTi mount.
30 frames per 120 s.
Calibration with PIPP, stacking with Fitswork.
Location: Russia, Anapa, backyard.

It is interesting to compare the result with another picture taken about a year ago with a monochrome camera QHY5III178m and a 12 nm H-alpha filter:
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Moon, November 8, 2019, 21:03

I first shot the moon with a monochrome camera with RGB filters. It turned out to be difficult to align the channels, because due to the rotation of the field the Moon managed to turn around a bit – halo on the craters climb out. For color photography of the moon, I will still use a color camera.

Луна, 8 ноября 2019 года, 21:03

Moon, November 8, 2019, 21:03

-Celestron NexStar 8 SE
-filters Meade R\G\B
-camera QHY5III178m (3056х2048@43fps)
Stacking 100 frames from 2624 в Autostakkert per channel.
Location: Russia, Anapa, backyard.