Discovery certificate for object 2017ewu
TNS Astronomical Transient Report No. 12176

Date Received (UTC): 2017-06-23 10:58:51
Sender: Mr. Stuart Parker
Source Group: BOSS

Stuart Parker report/s the discovery of a new astronomical transient.

IAU Designation: AT 2017ewu
Coordinates (J2000): RA = 18:47:26.04 (281.8585) DEC = -66:50:13.70 (-66.837139)
Discovery date: 2017-06-19 23:55:24 (JD=2457924.4968056)

Potential host galaxy: ESO-104-G-003

Remarks: Stuart Parker, Canterbury, New Zealand, reports the discovery of an apparent supernova (red mag 17.7) on a 30-s unfiltered CCD image (limiting mag 19) taken by himself with a 30-cm Astro-Tech AT12RC Ritchey-Chretien astrograph (+ ST10 camera) at his Parkdale Observatory in the course of the Backyard Observatory Supernova Search.Which is 1E"and 18S"of the nucleus of the galaxy ESO-104-G-003 (PGC62414)

Photometry

Discovery (first detection):
Discovery date: 2017-06-19 23:55:24
Flux: 17.7 Other
Filter: Other-
Instrument: Other
Telescope: Other

Remarks: clearly visible

Last non-detection:
Last non-detection date: 2017-06-10 04:31:18
Limiting flux: 17.5 Other
Filter: Other-
Instrument: Other
Telescope: Other

Remarks: Nothing visible

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