First Light!:::Baader High Speed Ultra Narrow Band Filter.

No stacked 4minutes expose.
Ha=3.5nm 2minutes X 1 sub
Oiii=4.0nm 2minutes X 1 sub
Just combined
Telescope C11+ Hyperstar 11 280mm F/1.9 FL 540mm
CCD ASI294 MM Pro
2021/Sep/5 Taro Seki. astropical.uk

Perican-HaHOO-crop-BGE-PI-Edit01-Finish