Pickering's Triangle in bicolour
This is part of my larger veil nebulae image where i cropped and processed this section independently. There is 4h 5m total integrated exposure time in 5 minute sub exposures (unity gain). There is a slight blue gradient but it's not all to noticeable.
Taken through a William Optics Star 71-ii at f/4.9,
ZWO ASI1600MM-Pro with baader narrowband filters,
Skywatcher EQ6-Pro
Taken over two nights in June 2020
