Discovery certificate for object 2018hhn
TNS Astronomical Transient Report No. 23507 [ 2018TNSTR1570....1G ]

Date Received (UTC): 2018-10-13 21:33:03
Sender: Mr. Jaroslaw Grzegorzek
Source Group: PSH

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

IAU Designation: SN 2018hhn
Coordinates (J2000): RA = 22:52:32.060 (343.133583) DEC = +11:40:26.70 (11.674083)
Discovery date: 2018-10-13 20:48:28 (JD=2458405.3669907)

Potential host galaxy: UGC 12222

Remarks: Jaroslaw Grzegorzek, Szczecin, Poland, reports the discovery of a possible supernova (mag 17.1) on unfiltered images (limiting mag 19.0) taken by himself on 2018 10 13.867 with a 0.25-m f/3.3 reflector at his observatory (MPC:L25) in the course of the supernova search project.

Photometry

Discovery (first detection):
Discovery date: 2018-10-13 20:48:28
Flux: 17.1 VegaMag
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: Instrument: 10" f/3.3 reflector, CMOS camera

Last non-detection:
Last non-detection date: 2018-10-01 22:00:28
Limiting flux: 19 VegaMag
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: Instrument: 10" f/3.3 reflector, CMOS camera

Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2018hhn