Combination of 10, 3 minute exposures.
SBIG ST-9XE CCD. 5" f/5 refractor at prime focus.
NGC 7023 is a reflection faint nebula surrounding a 7.5 magnitude star. The brightness of the star makes imaging the nebula somewhat of a challenge.
Combination of 10, 3 minute images using red, green and blue filters.
SBIG ST-9XE CCD camera. 5" f/5 refractor at prime focus.
Combination of 10, 1 minute exposures. SBIG ST9XE CCD camera.
16" f/6.3 schmidt-cassegrain at prime focus.