Alert Notice 636: SDSS J141118.31+481257.6 rebrightening - photometry requested
June 1, 2018: Further to AAVSO Alert Notice 635, the AMCVn binary SDSS J141118.31+481257.6 is rebrightening, and the expected superoutburst may be underway.
AMCVn
Alert Notice 635: Monitoring of SDSS J141118.31+481257.6 requested
May 25, 2018: Dr. Thomas Kupfer (University of California, Santa Barbara) has requested AAVSO assistance in monitoring the rare AMCVn binary SDSS J141118.31+481257.6 during its current WZ Sge-like outburst, the first outburst detected for this system.
The outburst was detected by Tadashi Kojima (Gunma-ken, Japan) on 2018 May 19.514 UT with a magnitude 12.6 V +/- 0.2. At minimum brightness 19.7 CV, SDSS J141118.31+481257.6 brightened by over 6 magnitudes, reaching a peak brightness of 12.5-12.6 V.