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Recurrent Nova M31N 2008-12a: discovery of the 2015 eruption

ATel #7964; M. J. Darnley (LJMU), M. Henze (IEEC/CSIC), A. W. Shafter (SDSU), M. Kato (Keio University), for a larger collaboration
on 28 Aug 2015; 14:29 UT
Distributed as an Instant Email Notice Novae
Credential Certification: Matt Darnley (M.J.Darnley@ljmu.ac.uk)

Subjects: Optical, Nova, Transient

Referred to by ATel #: 7965, 7967, 7969, 7974, 7976, 7979, 7980, 7984, 8029, 8033, 8062, 9848

We report the discovery of the 2015 eruption of the remarkable 1-yr recurrent M 31 nova M31N 2008-12a (see Darnley et al. 2014, 2015 and Henze et al. 2014, 2015 for comprehensive multi-wavelength light curves of previous eruptions).

The nova was clearly detected on 2015 Aug 28.55 UT using a single 60s Sloan r'-band image obtained with the Faulkes Telescope North, Hawaii. The discovery magnitude is 19.09 +/- 0.04. We will continue to monitor the nova light curve and encourage additional follow-up observations.