Upcoming eclipse of triple system b Per - Alert Notice 840

American Association of Variable Star Observers (AAVSO)
Fri, 11/10/2023 - 21:36

Alert Notice 840 announces an observing campaign on the bright, eclipsing, triple system b Per (not beta Per). Please see the notice for details and observing instructions.

There are threads for this campaign under the following AAVSO forums:

- Campaigns and Observation Reports: https://www.aavso.org/b-per-nov-2023-eclipse
- Eclipsing Binaries: https://www.aavso.org/b-per-nov-2023-eclipse-01

Please subscribe to these threads if you are participating in the campaign so you can be updated, ask questions, and join in the discussion!

Many thanks, and Good observing,

Elizabeth O. Waagen, AAVSO HQ