A HaOIII-RGB image made with the 12,5inch F/9 Ritchey Chretien from RC Optical Systems.
Total integration time 830 minutes.
Sub exposure time 10 minutes for all the filters.
Ha: 120 minutes
OIII: 300 minutes
Red:120 minutes
Green: 120 minutes
Blue: 170 minutes.
Mike van den Berg
Total integration time 830 minutes.
Sub exposure time 10 minutes for all the filters.
Ha: 120 minutes
OIII: 300 minutes
Red:120 minutes
Green: 120 minutes
Blue: 170 minutes.
Mike van den Berg
