Central Bureau for Astronomical Telegrams

Central Bureau for Astronomical Telegrams -- Image credits

CBAT "Transient Object Followup Reports"

PSN J22181760+4034096

PSN J22181760+4034096   2013 07 10.45  *  22 18 17.60 +40 34 09.6  17.0 U    2W  25S  N7250     L 0


2013 07 11.909

This transient was observed by Gianluca Masi and Francesca Nocentini, remotely using the 17" robotic unit part of the Virtual Telescope Project facility in Ceccano, Italy. Unfiltered images show the source at mag. 16.0 (R mags for the reference stars from UCAC-4). We also performed astrometry, getting the following end figures: 17.61s; 09.5" (J2000.0, mean residuals of 0.2" on both axes)



2013 07 11.9938

Mag.: 16.3(V) R.A.: 22 18 17.59; Decl.: +40 34 09.5 (2000.0). Reference: PPMXL Observer: Massimiliano Martignoni - Observatory: Stazione Astronomica Betelgeuse (B75), Magnago, Italy Telescope: Schmidt-Cassegrain 0.25m-f/10.0 - CCD: KAF0261E



2013 07 12.4231

L. Elenin (Lyubertsy, Russia) and I. Molotov (Moscow, Russia) confirm an apparent supernova PSN J22181760+4034096 in NGC 7250. Object visible on 3x150sec images remotely taken at ISON-NM Observatory (Mayhill, NM, USA) with 0.45-m f/2.8 telescope + CCD (KAF09000) on July 12.4231, 2013. Object located at 22h 18m 17s.58 +/- 0".08, +40d 34' 09".0 +/- 0".08 (UCAC-4) with magnitude 15.7U (mag. limit ~20.4m). Nothing is visible at this position on the POSS and POSSII images. Image of PSN J22181760+4034096 available at http://spaceobs.org/images/TOCP/PSNJ22181760+4034096-20130712.png



2013 07 12.385

This possible supernova in NGC 7250 was detected with 2 x 15 min images using a luminance filter Photometry: Mag 15.84 +/- 0.14 L (V for ref) Astrometry: RA 22 18 17.58 Dec +40 34 09.5 These data were collected remotely by Joseph Brimacombe, Cairns, Australia. Link to image and further information: http://www.flickr.com/photos/43846774@N02/9275673498/



2013 07 10.086

F. Ciabattari (Borgo a Mozzano, Italy) reports the pre-discovery detection of PSN J22181760+4034096 realised in the course of the Italian Supernovae Search Project. The object was just visible in unfiltered image taken at Borgo a Mozzano Observatory with a 0.5m Newtonian telescope + CCD (FLI Proline 4710 camera) on July 10.086 UT. Object located at 22h 18m 17s.77, +40d 34' 10".5 (UCAC-2) with magnitude 19.1 (limiting magnitude ~19.5). Image of PSN J22181760+4034096 available at http://www.flickr.com/photos/snimages/9277396759/


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