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Recurrent Nova M31N 2008-12a: discovery of the 2018 eruption

ATel #12177; M. J. Darnley (LJMU), M. Henze (SDSU), A. W. Shafter (SDSU), S. Kafka (AAVSO), M. Kato (Keio University), for a larger collaboration
on 6 Nov 2018; 21:25 UT
Distributed as an Instant Email Notice Novae
Credential Certification: Matt Darnley (M.J.Darnley@ljmu.ac.uk)

Subjects: Optical, Nova, Transient

We report the discovery of the predicted 2018 eruption of the remarkable recurrent M31 nova M31N 2008-12a (see ATels #5607,#6527,#7964,#9848,#11116 for earlier detections as well as Darnley et al. 2014, 2015, 2016 and Henze et al. 2014, 2015a, 2015b, 2018, for comprehensive multi-wavelength studies of previous eruptions).

The nova was clearly detected on 2018 Nov 06.80 UT with the Liverpool Telescope. The discovery magnitude is 19.15 ± 0.05. We will continue to monitor the nova light curve and strongly encourage additional follow-up observations.