Dear Collaborators,
Solar activity continues to be low, but slightly increased from the last message. The largest event in the past 24 hours was a C3.6 flare at 15:34 UT yesterday (9/18) from the target region, NOAA 14220. This region has further develped to a size of 250 millionths, having produced 7 C classs flares since the last message. The magnetic complexity of its trailing sunspots was also increased and now classified as a beta-gamma type. In the next 24 hours, we will continue to observe NOAA 14220, expecting additional C class events or larger.
The position of the target in NOAA 14220 on 19-September-2025 at 15:30 UT is: S17W21 (337", -394").
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