Dear Collaborators,
The activity of the earth-facing side of the Sun continues to be low. However, there were a series of significant eruptive events from the regions close to the Northwest limb for the past two days, observed as the low-C class flares from NOAA 14139 and the target region, NOAA 14143. The largest events in the past 24 hours are two C2.8 flares, one at 20:25 UT yesterday(7/21) from NOAA 14139 and another at 7:59 UT today from NOAA 14143. Other active regions on the disk stay quiet since the last message.
NOAA 14143 is showing signs of decay but 6 low-C class flares were recorded from this region in the past 24 hours. Today, we will continue to observe the trailing sunspot of NOAA 14143 while it undergoes limb passage. Additional C class events are expected.
The position of the target in NOAA 14143 on 22-July-2025 at 15:30 UT is: N25W79 (838", 388").
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, Aki Takeda (Montana State University)
mmmotd@solar.physics.montana.edu