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giant variables

Alert Notice 441: Monitoring of Bright Giant Variables requested in support of ground-based spectroscopy and for long-term study

Note:  A thread for this campaign has been created in the AAVSO Campaigns and Observation Reports discussion forum:  https://www.aavso.org/bright-giant-variables-campaign

Coverage of the stars in this campaign should be continued for long term monitoring. Spectroscopy is not being obtained, but optical coverage is needed to help understand their behavior.  -  Elizabeth O. Waagen, 17 April 2020

AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484