AAVSO Alert Notice 853 announces an observing campaign beginning immediately on the SDOR variable AT 2000ch (LMi). Please see the notice for details and observing instructions.
There are threads for this campaign under the following AAVSO forums:
- Campaigns & Observation Reports: https://www.aavso.org/at-2000-ch-2024
- Cataclysmic Variables: https://www.aavso.org/at-2000-ch-2024-01
Please subscribe to these threads if you are participating in the campaign so you can be updated. Join in the discussion or ask questions there!
Many thanks, and Good observing,
Elizabeth O. Waagen, AAVSO HQ