Discovery certificate for object 2017gpn
TNS Astronomical Transient Report No. 13475 [ 2017TNSTR.973....1C ]

Date Received (UTC): 2017-09-06 06:17:00
Sender: Mr. Massimo Caimmi
Source Group: ISSP

Massimo Caimmi report/s the discovery of a new astronomical transient.

IAU Designation: AT 2017gpn
Coordinates (J2000): RA = 03:37:45.260 (54.438583) DEC = +72:31:58.70 (72.532972)
Discovery date: 2017-09-06 03:21:12 (JD=2458002.6397222)

Potential host galaxy: NGC1343

Remarks: M.Caimmi report the discovery of an apparent supernova at 2017 09 06.13973 on image obtained with SC Telescope 0.24-m f/6.5 and CCD Atik 314L (exposure 15 frame x 30sec) from Valdicerro Observatory (C92) - Loreto (AN) Italy, in the course of the Italian Supernovae Search Project (ISSP). The new object is located at A.R. = 03h37m45.26s Decl. = +72°31'58.7" show the source at 15.9 Mag. Astrometry with respect to UCAC-4 stars which is 2.25' South and 20.12" West of the centre of Galaxy NGC1343.

Photometry

Discovery (first detection):
Discovery date: 2017-09-06 03:21:12
Flux: 15.9 VegaMag
Filter: Clear-
Instrument: Other
Telescope: Other

Last non-detection:
Last non-detection date: 2017-02-15 19:12:00
Limiting flux: 19 VegaMag
Filter: Clear-
Instrument: Other
Telescope: Other


Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2017gpn