Central Bureau for Astronomical Telegrams

Central Bureau for Astronomical Telegrams -- Image credits

CBAT "Transient Object Followup Reports"

PNV J01335420+3026108

PNV J01335420+3026108   2015 12 27.9083*  01 33 54.20 +30 26 10.8  17.5 U   51E 817S  M33       4 1



2015 12 28.5024

K. Nishiyama & F. Kabashima, (Japan) observe eight 40-s unfiltered CCD frames taken around 2015 Dec. 28.502 UT, ( limiting magnitude = 20.0 ) mag= 17.1U, using a 0.50-m f/6.8 reflector position end figures 54s13, 10"9, 42E 806S




2015 12 27.9083

E. Conseil (France) reports the discovery of a possible nova in M33 using Slooh Space robotic telescope T2 (17" Corrected Dall-Kirkham, F/6.8 + FLI PL16803), at Mt Teide, Canary islands. Object was at magnitude 17.5 on two 50s exposures, unfiltered, UCAC4 V for reference)




2015 12 28.74409

This transient was observed on 2015 12 28.74409 by Andrea Mantero using the 0,25-m.f/4"reflector Bernezzo Observatory Italy.3x 120-seconds exposures, unfiltered, show the source at mag. 17.1 astrometry AR= 01 33 54.16 De=+30 26 10.7 measured from reference stars UCAC-4 catalogue. https://www.flickr.com/photos/andreagalaxy/23401894523/in/dateposted-public/




2015 12 28.80504

This transient was observed on 2015 12 28.80504 by G. Masi, remotely using the 17"-f/6.8 robotic unit at Bellatrix Astronomical Observatory in Ceccano, Italy. 120-seconds exposures, unfiltered, show the source at mag. 16.8 (R mags for the reference stars from UCAC-4). We also performed astrometry, getting the following end figures: 54.17; 10.8 (J2000.0, mean residuals of 0.2" on both axes).




2015 12 25.9493

The object is also visible on 3 frames taken by E.Conseil on 2015-12-25.9493 with the same equipment at unfiltered magnitude 18.1 (limiting magnitude 18.4). Image at https://c2.staticflickr.com/2/1630/23415777374_ddc14e1272_o.jpg Nothing was visible at this location on 2015-12-24.9257 (limiting magnitude 18.4)



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