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Alert Notice 699: V386 Ser HST observing schedule revised

Note: The HST observations of V386 Ser will take place Friday, 2020 February 28. Positive observations are CRITICAL for the nights of Feb 26-27 and 27-28. Please report observations immediately. - Elizabeth O. Waagen, 2020 February 26

February 14, 2020

Solar Bulletin - Volume 76, Number 01

The January Solar Bulletin is now available. Please visit the Solar Bulletin web page to download your copy: https://www.aavso.org/solar-bulletin

 

Alert Notice 698: V386 Ser to be observed with HST

Note: Please see AAVSO Alert Notice 699 for updated HST schedule and observing instructions. - Elizabeth O. Waagen, February 14 2020.

February 7, 2020

AAVSO Annual Report for 2018-2019 online

The AAVSO Annual Report for 2018-2019 has been published and is online. Both a high-resolution and a low-resolution version are available at https://www.aavso.org/annual-report.

Alert Notice 695: HST to observe V694 Mon (MWC 560)

Note: Note: The Chandra observations took place, and Dr. Karovaska requests continued monitoring of V694 Mon (MWC 560) until further notice.  -  Elizabeth O. Waagen, 17 April 2020

Alert Notice 694: Spectroscopy of gamma Cas requested

Note: Principal Investigator Ernst Pollmann particularly requests higher-resolution (at least 1000) spectra of gam Cas.  -  Elizabeth O. Waagen, 21 May 2020

January 31, 2020

AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Campaigns and Observation Reports: https://www.aavso.org/gam-cas-campaign
- Spectroscopy: https://www.aavso.org/gam-cas-campaign-01

Star of the Month - February 2020 - Alpha Ori

Alpha Orionis
By Rich Roberts

Alert Notice 693: V582 Mon monitoring requested

January 24, 2020

AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
  -   Campaigns and Observing Reports: https://www.aavso.org/v582-mon-campaign-2020
  -   Young Stellar Objects: https://www.aavso.org/v582-mon-campaign-2020-01

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