Alert Notice 734: HM Sge monitoring needed for HST and SOFIA observations

Note: Please continue observing HM Sge until further notice.  -  Elizabeth O. Waagen, May 2, 2022

SOFIA observations are planned in 2021 for June/July and November/December, so please continue to observe HM Sge throughout the observing season.  -  Elizabeth O. Waagen, May 3, 2021

March 15, 2021

Alert Notice 645: Monitoring of LPVs for Maser Study

Note: This campaign has been extended to October 2020 and the list of targets has been revised. Please see AAVSO Alert Notice 687 for details. - Elizabeth O. Waagen, December 4, 2019

July 31, 2018: Michael Stroh (Ph.D. candidate, University of New Mexico) requests AAVSO assistance in monitoring 19 LPVs in support of a VLA campaign studying SiO masers. AAVSO monitoring begins now and goes through October 2019.