Discovery certificate for object 2017gtd
TNS Astronomical Transient Report No. 13645

Date Received (UTC): 2017-09-16 03:32:33
Sender: Mr. Jaroslaw Grzegorzek
Source Group: PSH

Jaroslaw Grzegorzek report/s the discovery of a new astronomical transient.

IAU Designation: SN 2017gtd
Coordinates (J2000): RA = 02:22:40.18 (35.667417) DEC = +28:15:24.90 (28.256917)
Discovery date: 2017-09-16 02:52:48 (JD=2458012.62)

Potential host galaxy: IC 221

Remarks: aroslaw Grzegorzek, Szczecin, Poland, reports the discovery of a possible supernova (mag 17.6) on unfiltered CCD images (limiting mag 19.0) taken by himself on Sep 16.120 with a 0.25-m f/3.3 reflector at his observatory in the course of the supernova search project.

Photometry

Discovery (first detection):
Discovery date: 2017-09-16 02:52:48
Flux: 17.6 VegaMag
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: Instrument: 0.25-m f/3.3 reflector

Last non-detection:
Last non-detection date: 2017-01-26 18:12:57
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/2017gtd