TNS Astronomical Transient Report No. 246809 [ 2025TNSTR.889....1C ]

Date Received (UTC): 2025-03-05 22:24:06
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 2025dkp
Discoverer internal name: OMB-PNV24
Coordinates (J2000): RA = 09:55:12.610 (148.802542) DEC = +69:02:46.20 (69.046167)
Discovery date: 2025-03-05 21:04:59.000 (JD=2460740.3784606)

Potential host galaxy: M81

Remarks: Flavio Castellani report the discovery by F.Castellani, V.Andreoli, R.Belligoli of a PNV on a co-added 24*180 images (Mag.18.8R +-0.2 - USNOB1 catalogue) in the host galaxy M81 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 CCD unfiltered CCD camera). No stellar source is visible at the position of the transient in our past images including reference image dated 2025/03/04.84208

Photometry

Discovery (first detection):
Discovery date: 2025-03-05 21:04:59.000
Flux: 18.8 ABMag
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: 0.40m f/7 Dall-Kirkham telescope (+ Moravian G4-9000 KAF CCD unfiltered CCD camera)

Last non-detection:
Last non-detection date: 2025-03-04 21:19:44
Limiting flux: 20.5 ABMag
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: 0.40m f/7 Dall-Kirkham telescope (+ Moravian G4-9000 KAF CCD unfiltered CCD camera)

Details of the new object can be viewed here: https://www.wis-tns.org/object/2025dkp