Discovery certificate for object 2017ggw
TNS Astronomical Transient Report No. 13230 [ 2017TNSTR.901....1P ]

Date Received (UTC): 2017-08-23 13:10:32
Sender: Mr. Stuart Parker
Reporting Group: BOSS     Discovery Data Source: BOSS

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

IAU Designation: SN 2017ggw
Coordinates (J2000): RA = 02:30:26.880 (37.612) DEC = -43:00:53.10 (-43.01475)
Discovery date: 2017-08-22 03:40:00.000 (JD=2457987.6527778)

Potential host galaxy: ESO-246-G-21

Remarks: Stuart Parker, Canterbury, New Zealand, reports the discovery of an apparent supernova (red mag18) 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 11W"and 44N"of the nucleus of the galaxy ESO-246-G-21 (PGC9544)


Discovery (first detection):
Discovery date: 2017-08-22 03:40:00.000
Flux: 17.9 Other
Filter: Other-
Instrument: Other
Telescope: Other

Remarks: was confirmed with many images the next night

Last non-detection:
Last non-detection date: 2017-08-04 03:40:00
Limiting flux: 18 Other
Filter: Other-
Instrument: Other
Telescope: Other

Remarks: not visible

Details of the new object can be viewed here: