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Recurrent Nova M31N 2008-12a: late optical photometric observations of the 2016 eruption

ATel #9881; A. Kaur (Clemson University), P. Erdman (ERAU), T. Oswalt (ERAU), D. Burke (ERAU), D. H. Hartmann (Clemson University), M. Henze (CSIC-IEEC), M. J. Darnley (LJMU) (on behalf of a larger collaboration)
on 19 Dec 2016; 18:42 UT
Distributed as an Instant Email Notice Novae
Credential Certification: Amanpreet Kaur (akaur@g.clemson.edu)

Subjects: Optical, Nova

Referred to by ATel #: 9883, 9885, 9891, 9906, 9907

We report optical photometric observations of the 2016 eruption (see ATels #9848,#9852,#9853,#9857,#9861,#9872 and #9874) of the recurrent nova M31N 2008-12a (Henze et al. 2014, 2015a, 2015b; Darnley et al. 2014, 2015, 2016). The data were obtained between 2016 Dec 15.01 UT - Dec 18.00 UT with the 24 inch CDK Cassegrain telescope equipped with a SBIG STX 16803 detector with Omega SDSS r' filter, located at the Embry Riddle Aeronautical University, Florida. The derived magnitudes were calibrated with 14 SDSS standard stars in the field of this nova. The total exposure time for each reported magnitude varied between 1-4 hours.

Optical Observations
UT r' mag
15.01 19.96± 0.07
15.06 19.83± 0.08
16.01 20.30± 0.10
16.99 20.85± 0.13
17.08 21.08± 0.15
18.00 21.35± 0.14