R Mon

The AAVSO office will be closed or have minimal staffing from Dec 25th through January 1st, so responses may be slow. We apologize for any inconvenience and wish everyone a Happy Holiday!

Alert Notice 657: HerbigAeBe stars need monitoring for Chandra observations

November 21, 2018: Dr. Hans Moritz Guenther (MIT; Kavli Institute for Astrophysics and Space Research) and colleagues have requested AAVSO observers' assistance in monitoring several HerbigAeBe stars in support of upcoming observations scheduled with Chandra.