AAVSO Alert Notice

Alert Notice 855: V711 Tau monitoring requested in support of XRISM spectroscopy observations

February 29, 2024

AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Campaigns & Observation Reports: https://www.aavso.org/v-711-tau-observing-campaign

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

Alert Notice 851: Multiwavelength coverage requested for V695 Cyg study with HST

February 14, 2024

AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Campaigns & Observing Reports: https://www.aavso.org/v-695-cyg-campaign-2024

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

Alert Notice 846: AB Aur HST observations on January 17-18

Note: The HST observations of AB Aur scheduled for 2024 January 17-18 have been cancelled because HST has gone into safe mode. Rescheduling information will be given here and in the forum threads below when available. In the meantime, please continue to observe AB Aur according to the cadence given below.  -  Elizabeth O. Waagen, January 17, 2024

January 15, 2024