Discovery certificate for object 2017dgg
TNS Astronomical Transient Report No. 10923

Date Received (UTC): 2017-04-21 09:13:15
Sender: Mr. Stuart Parker
Source Group: BOSS

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

IAU Designation: AT 2017dgg
Coordinates (J2000): RA = 03:58:12.58 (59.552417) DEC = -52:19:40.40 (-52.327889)
Discovery date: 2017-04-21 07:57:43 (JD=2457864.8317477)

Potential host galaxy: NGC1500

Remarks: Stuart Parker, Canterbury, New Zealand, reports the discovery of an apparent supernova (red mag 17.9) 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 13W"and 1N"of the nucleus of the galaxy NGC1500

Photometry

Discovery (first detection):
Discovery date: 2017-04-21 07:57:43
Flux: 17.9 Other
Filter: Other-
Instrument: Other
Telescope: Other

Remarks: target easily seen

Last non-detection:
Last non-detection date: 2017-03-17 08:30:07
Limiting flux: 18 Other
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: nothing visible

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