Discovery certificate for object 2018hcd
TNS Astronomical Transient Report No. 23340 [ 2018TNSTR1506....1S ]

Date Received (UTC): 2018-10-04 16:06:01
Sender: Mr. Guoyou Sun
Reporting Group: XOSS     Discovery Data Source: XOSS

Guoyou Sun,Xing Gao report/s the discovery of a new astronomical transient.

IAU Designation: AT 2018hcd
Discoverer internal name: XMNGS1
Coordinates (J2000): RA = 00:43:32.520 (10.8855) DEC = +41:07:12.80 (41.120222)
Discovery date: 2018-09-13 14:46:26 (JD=2458375.1155787)

Potential host galaxy: M31


Photometry

Discovery (first detection):
Discovery date: 2018-09-13 14:46:26
Flux: 20 VegaMag
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: Which is about 543.4" east and 535.7" south of the center of the NGC224(M31). using an 0.6-m f/8 Ritchey-Chretien telescope + unfiltered CCD.

Last non-detection:
Last non-detection date: 2018-09-05 15:13:37
Limiting flux: 21 VegaMag
Filter: Clear-
Instrument: Other
Telescope: Other


Archival info: SDSS
Remarks: using an 0.6-m f/8 Ritchey-Chretien telescope + unfiltered CCD.

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