AAVSO International Database
Special Notice #207: Possible Nova in Scorpius - N Sco 2010 No. 2 [V1311 Sco]
Special Notice #205: Rapid fading in the luminous blue variable S Doradus
Special Notice #206: Request for photometry of the dwarf nova SS Cygni
Special Notice #204: Request for monitoring of SS Cygni in support of EVLA/VLBA radio observations
Alert Notice 506: Alpha Com eclipse observing campaign
January 16, 2015: THIS CAMPAIGN HAS BEEN CANCELLED. PLEASE SEE AAVSO SPECIAL NOTICE #395 FOR DETAILS.
December 5, 2014: Drs. Matthew W. Muterspaugh and Gregory W. Henry (Tennessee State University) have requested AAVSO observers' assistance in monitoring the possible Algol-like binary star alpha Com before, during, and after the eclipse they have predicted for mid-to-late January 2015.
Alert Notice 504: Epsilon Aur monitoring during predicted pulsation phase
Note: A thread for this campaign has been created in the AAVSO Campaigns and Observation Reports discussion forum: https://www.aavso.org/eps-aur-monitoring
CONTINUED AT LEAST THROUGH 2021 - Elizabeth O. Waagen, 17 April 2020
September 17, 2014: Dr. Robert Stencel (University of Denver Astronomy Program) has requested that AAVSO observers monitor epsilon Aurigae from now through the end of the observing season.
Alert Notice 503: Request for regular monitoring of the symbiotic variable RT Cru
Notes: Please continue to monitor RT Cru as it continues to decline slowly from its outburst that began in 2021 and after it returns to minimum. - Elizabeth O. Waagen, April 4, 2023
This campaign has been extended indefinitely. Dr. Karovska requests monitoring of RT Cru until further notice. - Elizabeth O. Waagen, 17 April 2020
Special Notice #387: EE Cep eclipse and comparison stars
July 24, 2014:The eclipse of EE Cep (AAVSO Alert Notice 502) appears to be gradually beginning, according to observations in the AAVSO International Database. Please observe this system according to the instructions given in the Alert Notice.
Alert Notice 502: EE Cep observations requested for upcoming eclipse
Out-of-eclipse monitoring requested until further notice to study evolution of disk. - June 2017. Also, Special Notice #387 (20140724) updated this campaign.