Notes

Sunspots 17 July 2023

Photo of the Sun captured on 17 July 2023.1 There are 6 active regions (sunspots) visible on its Earthfacing side (AR3363 and from AR3371 to AR3375).2 References Sun 20230717. Flic...

Sunspots 8 July 2023

Photo of the Sun captured from my backyard on 8 July 2023.1 There are 8 active regions (sunspots) visible on its Earthfacing side (from AR3359 to AR3366).2 References Sun 20230708....

Supernova in the Pinwheel galaxy

Supernova in the Pinwheel galaxy (Messier 101 or NGC 5457) called SN 2023ixf has been discovered by Koichi Itagaki on 19 May 2023.1 Located 21 million light years away, it's confirmed to be a ...