Dear RHESSI Collaborators,
Solar activity continues at low levels. The target region NOAA 12651 has produced a few B-class events (the largest being a B6.2) since the last message. 12651 retains its beta/D-type sunspot group, increasing in sunspot area and number of spots slightly. The coronal loops above this region appear to interact with a small filament at the edge of the region. Additional B-class activities are expected with a chance of an isolated C-class event in the following 24 hours.
The position of NOAA 12651 on April 21 at 13:30 UT is:
N12E36 (-550", 265")
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 (Nanjing University / Montana State University)
mmmotd@solar.physics.montana.edu