AAVSO Spectroscopy Database (AVSpec)

July 2, 2020

AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Time Sensitive Alerts: https://www.aavso.org/2020nvb-possible-supernova-131-mag-ngc-4457
- Cataclysmic Variables: https://www.aavso.org/sn-2020nvb-ngc-4457

Observers are encouraged to participate in the AAVSO forums listed above for this event, and to visit the AAVSO CV Section webpage.

June 17, 2020

AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Campaigns and Observation Reports: https://www.aavso.org/campaign-monitoring-helium-double-peak-emission-6678-å
- Spectroscopy: https://www.aavso.org/campaign-monitoring-helium-double-peak-emission-6678

May 29, 2020

AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Cataclysmic Variables: https://www.aavso.org/pq-and-outburst
- Time Sensitive Alerts: https://www.aavso.org/pq-and-outburst-01

Note: This Alert Notice was revised from its original text to correct a misinterpretation of the request from Dr. Echevarria, to update the recent observations, and to update the status of scheduled HST observations.  -  Elizabeth O. Waagen, 2 April 2020

April 2, 2020   (original issued April 1, 2020)

Note:  Please continue observations at a cadence of 1 observation per week at least through 2021 June 15. See the post by Principal Investigator Dariusz Kubicki in the forum threads for this campaign (URLs below).  -  Elizabeth O. Waagen, 2020 June 29

The eclipse of EE Cep has occurred but continued monitoring is requested to establish post-eclipse behavior.  - Elizabeth O. Waagen, 2020 May 21

February 3, 2020

AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Campaigns and Observation Reports: https://www.aavso.org/r-aqr-campaign-2019
- Long Period Variables: https://www.aavso.org/r-aqr-campaign-2019-01
- Spectroscopy: https://www.aavso.org/r-aqr-campaign-2019-02

Note: Principal Investigator Ernst Pollmann particularly requests higher-resolution (at least 10000) 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