NGC 7822

NGC 7822 is an emission nebula and star-forming region in Cepheus. It’s also referred to as the Question Mark Nebula. While not apparent in this image, with a wider field of view, this region begins to resemble the top of a question mark symbol, with another circular area positioned underneath representing the dot.

Acquisition
October 17 - November 18, 2023
Filter Exposures Integration Time
SII 103 12 hours
Ha 80 9.3 hours
OIII 103 11 hours
Total 32.3 hours
Telescope Skywatcher Esprit 80
Camera RisingCam ATR3-26000KMA