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CH Cyg fading episode

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CH Cyg fading episode

The bright (currently V~7.5) symbiotic variable CH Cyg is undergoing a fading episode.

AAVSO Alert Notice 639 requests coverage of CH Cyg during and after its current fading. Please see the notice for details and observing instructions.

There is a second thread on this event located in the Cataclysmic Variables forum (although CH Cyg is not a CV) at

Many thanks, and Good observing,

Elizabeth O. Waagen, AAVSO HQ

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