TNS Astronomical Transient Report No. 270730 [ 2025TNSTR3779....1L ]

Date Received (UTC): 2025-09-20 10:04:48
Date made public:
Sender: Marco Lorrai
Reporting Group: None     Discovery Data Source: None

Marco Lorrai report/s the discovery of a new astronomical transient.

IAU Designation: AT 2025yal
Coordinates (J2000): RA = 01:32:10.000 (23.041667) DEC = +30:29:11.00 (30.486389)
Discovery date: 2025-09-20 00:00:00.000 (JD=2460938.5)


Remarks: Nova in m33 at 01h 32m 10s +30° 29' 11''

Photometry

Discovery (first detection):
Discovery date: 2025-09-20 00:00:00.000
Flux: 18 ABMag
Filter: Clear-
Instrument: Gaia-astrometric
Telescope: Gaia Spacecraft

Remarks: I blinked my to images, taken with a 25 cm telescope. I see a new mag ~18 star checking another image of the last year. No transients found at that coordinate

Last non-detection:
Last non-detection date: 2024-11-23 00:00:00
Limiting flux: 19 ABMag
Filter: Clear-
Instrument: Gaia-astrometric
Telescope: Gaia Spacecraft


Archival info: Other

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