Alert Notice 761: Monitoring b Per eclipse in December 2021
December 7, 2021
AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Campaigns and Observation Reports: https://www.aavso.org/b-per-dec-2021-eclipse
- Eclipsing Binaries: https://www.aavso.org/b-per-dec-2021-eclipse-01