AAVSO Alert Notice

Alert Notice 859: Photometry and spectroscopy requested for bright binaries being observed with CHARA

Note: The Alert Notice text below has been revised from the original version issued April 18, 2024. Additional revisions may still be made in the next 24 hours. - Elizabeth O. Waagen, April 19, 2024

April 19, 2024                                            REVISED VERSION

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!