TNS Astronomical Transient Report No. 289088 [ 2026TNSTR.345....1C ]

Date Received (UTC): 2026-01-26 22:20:41
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 2026blf
Discoverer internal name: OMB32
Coordinates (J2000): RA = 09:54:46.470 (148.693625) DEC = +69:06:31.70 (69.108806)
Discovery date: 2026-01-26 19:47:47.000 (JD=2461067.3248495)

Potential host galaxy: M81

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 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 unfiltered CCD camera)in a couple od 15*180 co-added images. No stellar source was visible at the position of the transient in our past images including reference image dated 2026-01-22 03:20:30 UT

Photometry

Discovery (first detection):
Discovery date: 2026-01-26 19:47:47.000
Flux: 20.2 ABMag
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: 0.40m f/7 Dall-Kirkham telescope

Last non-detection:
Last non-detection date: 2026-01-22 03:20:30
Limiting flux: 20 ABMag
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: 0.40m f/7 Dall-Kirkham telescope

Details of the new object can be viewed here: https://www.wis-tns.org/object/2026blf