The Cygnus Loop is a supernova remnant whose explosion is estimated to have occurred tens of thousands of years ago. It is located in the constellation Cygnus. Its estimated distance is approximately 2,400 light-years.
The central part of this photo is known as the “Pickering Triangle.”
Image taken in southern Portugal remotely from France between July 9 and September 20, 2025, by Team ARO
Fsq 106 telescope on AZEQ6 mount. 98H in HOOrvb
ZWO 6200MM acquisition camera
Pixinsight-Photoshop processing
