TNS Astronomical Transient Report No. 263721 [ 2025TNSTR2894....1K ]

Date Received (UTC): 2025-07-25 15:51:28
Date made public:
Sender: Tadashi Kojima
Reporting Group: None     Discovery Data Source: None

Tadashi Kojima report/s the discovery of a new astronomical transient.

IAU Designation: AT 2025sdf
Coordinates (J2000): RA = 16:27:10.260 (246.79275) DEC = -10:30:02.00 (-10.500556)
Discovery date: 2025-07-25 12:28:47.000 (JD=2460882.0199884)



Photometry

Discovery (first detection):
Discovery date: 2025-07-25 12:28:47.000
Flux: 13.8 VegaMag
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: Canon EOS 6D digital camera + 300mm f/2.8 lens.

Last non-detection:
Archival info: DSS

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