TNS Astronomical Transient Report No. 275508 [ 2025TNSTR4396....1M ]

Date Received (UTC): 2025-11-01 22:39:38
Date made public:
Sender: Ziyang Mai
Reporting Group: None     Discovery Data Source: None

Ziyang Mai, Bozhang Shi, Jiaze Fu(Sumdo Obs.) report/s the discovery of a new astronomical transient.

IAU Designation: SN 2025aceh
Coordinates (J2000): RA = 01:02:16.030 (15.566792) DEC = +09:05:50.30 (9.097306)
Discovery date: 2025-11-01 17:51:51.000 (JD=2460981.2443403)

Potential host galaxy: UGC 640
Host redshift: 0.0388

Remarks: Possible SN in UGC 640 (= PGC 3709).

Photometry

Discovery (first detection):
Discovery date: 2025-11-01 17:51:51.000
Flux: 18.49 VegaMag
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: C11HD + unfiltered CMOS camera.

Last non-detection:
Archival info: DSS

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