AAVSO International Database

Alert Notice 722: N Sgr 2020 No. 4 = PNV J17545999-2122401 [V6593 Sgr]

The GCVS name V6593 Sgr has been assigned to this nova. Please use this name when submitting observations to the AAVSO International Database.  -  Elizabeth O. Waagen, 9 October 2020

October 5, 2020

Alert Notice 721: Anticipated secondary eclipse of b Persei centered on October 26 2020 UT

October 1, 2020

AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Campaigns and Observation Reports: https://www.aavso.org/b-per-oct-2020-campaign

Please subscribe to this thread if you are participating in the campaign so you can be updated by the astronomers and by HQ. Join in the discussion or ask questions there!

Alert Notice 719: Light curves for symbiotic star ASAS J190559-2109.4

August 26, 2020

AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Campaigns and Observation Reports: https://www.aavso.org/asas-j190559-21094-campaign

Please subscribe to this thread if you are participating in the campaign so you can be updated by the astronomer and by HQ. Join in the discussion or ask questions there!

Alert Notice 714: TCP J21040470+4631129 to be observed with HST

Note: Additional HST observations may be scheduled, so please continue obtaining 2-3 V snapshots per week. When a decision is made about any further HST observations (and consequent cadence changes), that information will be communicated via the forum threads for this campaign. Please be sure to subscribe to stay informed! - Elizabeth O. Waagen, 1 October 2020

Note: The HST observations of TCP-J21040470+4631129 have been scheduled for

Sep 12, 2020 07:16:37 to 13:07:28 UT