blazar Markarian 501
Posted: Tue Sep 14, 2021 5:30 pm
https://phys.org/news/2021-09-astronome ... arian.html
It's about 13-14 visual magnitude so observable.
https://en.wikipedia.org/wiki/Markarian_501
http://simbad.u-strasbg.fr/simbad/sim-i ... rian%20501
Since it is very bright at very high energies don't forget the lead filter!
It's about 13-14 visual magnitude so observable.
https://en.wikipedia.org/wiki/Markarian_501
http://simbad.u-strasbg.fr/simbad/sim-i ... rian%20501
Since it is very bright at very high energies don't forget the lead filter!