May 25, 2016: Roque Ruiz-Carmona, the principal investigator on the observing campaign on 20 CVs that was announced in AAVSO Alert Notice 543, reports that the campaign has been revised due to telescope issues. He writes:
May 24, 2016: Roque Ruiz-Carmona (Ph.D. candidate, Institute of Mathematics, Astrophysics and Particle Physics, Radboud University Nijmegen, The Netherlands) has requested AAVSO assistance with his campaign to observe a set of 20 cataclysmic variables (CVs) with the William Herschel Telescope (WHT) at La Palma TONIGHT.
Alert Notice 251: 1903-50 Supernova 1998dq in NGC 6754 AND Rare outburst of the TOAD-type cataclysmic variable 1626+21 V592 Herculis AND Fading of 1544+28A R Coronae Borealis AND Request for observations of 0409-71 VW Hydri and 0749+22 U Geminorum
THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS
25 Birch Street, Cambridge, MA 02138 USA
Tel. 617-354-0484 FAX 617-354-0665
AAVSO ALERT NOTICE 251 (August 28, 1998)
1903-50 SUPERNOVA 1998dq IN NGC 6754
August 1, 2010: Maciej Reszelski has reported an outburst of V592 Her at CR=14.14mag. This WZ Sge variable last had a superoutburst on August 26, 1998, when it reached 12th magnitudes. In quiescence, V592 Her is fainter than 20th magnitude.
V592 Her is located at RA 16 30 56.37 DEC +21 16 58.2 (J2000).