Thu, 07/02/2020 - 20:57
AAVSO Alert Notice 709 reports on the discovery of the bright Type Ia supernova SN 2020nvb in NGC 4457 (Vir). Please see the notice for details and observing instructions.
Many thanks, and Good observing,
Elizabeth O. Waagen, AAVSO HQ
Correctly: in NGC 4457