The Iris Nebula – Caldwell 4, NGC 7023
July 5, 2024
The Iris Nebula is a reflection nebula in the northern sky's constellation Cepheus. It's roughly 6 light years across and 1400 light years from Earth. The bright nebula core is surrounded by a huge area of dark dust that I previously haven't had much luck capturing because of how faint it is. To bri…