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CH Cyg observing campaign continues

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weo
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CH Cyg observing campaign continues

Dr. Margarita Karovska's observing campaign on CH Cyg (BV photometry, visual observations) continues; see AAVSO Special Notice #320 for details.

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