Affiliation
American Association of Variable Star Observers (AAVSO)
Thu, 06/18/2015 - 19:02
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