Discovery certificate for object 2020cno
TNS Astronomical Transient Report No. 61840 [ 2020TNSTR.491....1S ]

Date Received (UTC): 2020-02-14 22:53:26
Sender: Dr. Ismael Perez-Fournon
Reporting Group: SGLF     Discovery Data Source: ZTF

R. Shirley, I. Perez-Fournon, C. Jimenez Angel, F. Poidevin, (IAC & ULL), R. Marques-Chaves (CAB), S. Geier (GRANTECAN & IAC), Y. Shu (IoA), S. Rodney, J. Roberts-Pierel (Univ. of South Carolina), A. Bolton (NSF's OIR Lab), S. Chakrabarti, P. Craig, and B. Alamiri (RIT) report/s the discovery of a new astronomical transient.

IAU Designation: AT 2020cno
Discoverer internal name: ZTF20aalsbul
Coordinates (J2000): RA = 15:12:42.476 (228.176983) DEC = +63:47:51.45 (63.797625)
Discovery date: 2020-02-02 13:18:31.000 (JD=2458882.0545255)

Remarks: Data were provided by the Zwicky Transient Facility ( and processed through the Lasair (, ALeRCE (, ANTARES (, and MARS ( brokers.


Discovery (first detection):
Discovery date: 2020-02-02 13:18:31.000
Flux: 20.463 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2020-02-02 12:20:32
Limiting flux: 20.728 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: