A faint trio

Bill Batchelor, taken from Coquitlam, B.C., Canada The unusual shape of the supernova remnant Sharpless 2–224 (right) in Auriga is thought to be caused by density differences in the interstellar medium, into which it is expanding. Sh 2–223 (left) and Sh 2–225 (top) are glowing clouds of hydrogen gas. This Hα/OIII/SII/RGB image comprises 80 hoursContinue reading “A faint trio”

The post A faint trio appeared first on Astronomy Magazine.