TNS Astronomical Transient Report No. 170733 [ 2023TNSTR.327....1F ]

Date Received (UTC): 2023-02-10 21:57:42
Date made public:
Sender: Raffaele Belligoli
Reporting Group: ISSP     Discovery Data Source: None

Castellani Flavio report/s the discovery of a new astronomical transient.

IAU Designation: AT 2023bne
Discoverer internal name: OMB-PNV19
Coordinates (J2000): RA = 01:34:52.970 (23.720708) DEC = +30:47:14.50 (30.787361)
Discovery date: 2023-02-10 18:59:15.000 (JD=2459986.2911458)

Potential host galaxy: M33

Remarks: F. Castellani, Verona, Italy reports the discovery by Raffaele Belligoli, Flavio Castellani and Vittorio Andreoli, in the course of the ISSP Italian Supernovae Search Project, of an apparent nova on a co-added 4500sec unfiltered images taken with a Moravian G4-9000 KAF CCD unfiltered, from Monte Baldo Observatory (Ferrara di Monte Baldo, Verona, Italy), with the 0.4m f.8 Ritchey-Chrétien telescope, obtained on 2023 February 10.7911 UT. The new object is located at RA 01 34 52.97 DEC +30 47 14.5 (equinox 2000.0) Apparent magnitude about 17.5 in host Galaxy M33. No stellar source is visible at the position of the transient in our past images including reference image dated 2023 February 9.8032

Photometry

Discovery (first detection):
Discovery date: 2023-02-10 18:59:15.000
Flux: 17.5 ABMag
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: RC 400MM F8

Last non-detection:
Last non-detection date: 2023-02-09 19:16:45
Limiting flux: 19.5 ABMag
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: RC 400MM F8

Details of the new object can be viewed here: https://www.wis-tns.org/object/2023bne