TNS Astronomical Transient Report No. 238313 [ 2024TNSTR5155....1C ]

Date Received (UTC): 2024-12-30 23:00:15
Date made public:
Sender: Flavio Castellani
Reporting Group: None     Discovery Data Source: None

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

IAU Designation: AT 2024agal
Discoverer internal name: OMB-PNV22
Coordinates (J2000): RA = 00:41:33.690 (10.390375) DEC = +40:57:13.30 (40.953694)
Discovery date: 2024-12-30 19:13:43.000 (JD=2460675.3011921)

Potential host galaxy: M31

Remarks: Flavio Castellani report the discovery by F.Castellani, R.Belligoli and V.Andreoli of a PNV (Mag. 19.3R +-0.20 - USNOB1 catalogue) in the host galaxy M31 at Monte Baldo Observatory, Ferrara di Monte Baldo, Verona, Italy (A99), in the course of Italian Supernovae Search Project using a 0.40m f/7 Dall-Kirkham telescope (+ Moravian G4-9000 KAF unfiltered CCD camera)20*180 co-added images. No stellar source was visible at the position of the transient in our past images including reference image dated 2024/12/29.7370.

Photometry

Discovery (first detection):
Discovery date: 2024-12-30 19:13:43.000
Flux: 19.3 ABMag
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: 0,40m F.7 Dall-Kirkham - Osservatorio Monte Baldo

Last non-detection:
Last non-detection date: 2024-12-29 17:41:14
Limiting flux: 20.5 ABMag
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: 0,40m F.7 Dall-Kirkham - Osservatorio Monte Baldo

Details of the new object can be viewed here: https://www.wis-tns.org/object/2024agal