AAVSO Alert Notice 843 announces a new observing campaign beginning immediately on five YSOs - R Mon, UX Ori, CO Ori, RR Tau, and RY Tau. Please see the notice for details and observing instructions.
There are threads for this campaign under the following AAVSO forums:
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