Alert Notice 689: R Aqr monitoring needed in support of HST and Chandra observations
Note: Continued observations in all bands (particularly B and V) and spectroscopy are extremely important. Please continue nightly observations until further notice. - Elizabeth O. Waagen, 31 January 2020
Note: The exact schedules for the Chandra and HST observations of R Aqr (Alert Notice 689) are as follow:
Chandra (UT) Note that this date is EARLIER than given in Alert Notice 689.
12 Jan 2020 00:13:21.409 - 12 Jan 2020 14:06:41