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AAVSO Alert Notice 520 on V404 Cyg

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weo
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AAVSO Alert Notice 520 on V404 Cyg

AAVSO Alert Notice 520 reports on the 2015 outburst of the X-ray nova and LMXB with black hole V404 Cyg. Please see the Alert Notice for observing recommendations.

Good observing,

Elizabeth Waagen, AAVSO HQ

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