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.