21 January 2024
20240120 Week Rotation Today Rotation Week 20240122

Dear Collaborators,
Solar activity has increased since the last message. The largest event was a C6.3 flare at 01:57 UT today produced by the target region NOAA 13559. 13559 also produced two C5 flares and seven low C-class flares. It has been designated as a beta/E-type sunspot group with increasing the sunspot area and number of spots. More C-class activities are expected with a change of M-class flares in the next few days. The position of NOAA 13559 on January 21 at 08:30 UT is: N27E30 (-435", 509") See http://www.SolarMonitor.org for images and http://solar.physics.montana.edu/max_millennium/ops/observing.shtml for a description of the current Max Millennium Observing Plan. Regards, Ying Li (Purple Mountain Observatory)