cataclysmic variable

Alert Notice 724: VY Aqr observing campaign

Note: Please continue to observe VY Aqr until further notice.  -  Elizabeth O. Waagen, April 4, 2022

Please continue to observe VY Aqr until solar conjunction makes doing so impossible, and pick up again as soon after conjunction as possible.  -  Elizabeth O. Waagen, 1 February 2021

November 9, 2020

AAVSO Alert Notice 685: EM Cyg monitoring requested

NOTES: Dr. Ruiz-Carmona communicated that this campaign is concluded as of December 19, 2019. - Elizabeth O. Waagen, December 19, 2019

Dr. Ruiz-Carmona communicates that they would like to observe EM Cyg after another outburst to obtain further data. Please continue to monitor EM Cyg as instructed below until further notice. - Elizabeth O. Waagen, December 2, 2019

November 8, 2019

Alert Notice 675: V386 Ser - second rescheduling of HST observations

Note: Dr. Szkody informs us that the HST observations of V386 Ser have been scheduled for 2019 Aug 15  22:04:49 UT - Aug 16 00:31:52 UT. The critical night is August 14 - please report your observations of V386 Ser as soon as possible after you make them so that HST can be notified in time to make the go-nogo decision. - Elizabeth O. Waagen, August 6, 2019

August 2, 2019