Tag Archives: LRGB

26 hours of data on the Iris Nebula

Iris nebula in Cepheus 26 hours of data. By Shawn Nielsen. VisibleDark.ca

Meet the Iris Nebula in Cepheus. Also known as NGC 7023. This image represents 26 hours of data taken over 7 clear nights in May and June 2019.  The Iris Nebula is approximately 1,300 light years distance from Earth. It resides in the constellation of Cepheus from our perspective. NGC 7023 is actually the cluster […]