TNS Astronomical Transient Report No. 313083 [ 2026TNSTR2823....1K ]

Date Received (UTC): 2026-07-07 15:34:10
Date made public:
Sender: GEOTS_Bot
Reporting Group: GEOTS     Discovery Data Source: GEOTS

Balaji Kumar report/s the discovery of a new astronomical transient.

IAU Designation: AT 2026sfo
Discoverer internal name: ARI-04Mar26
Coordinates (J2000): RA = 01:24:55.350 (21.230625) DEC = +50:50:23.70 (50.839917)
Discovery date: 2026-07-07 08:10:21.792 (JD=2461228.84053)


Remarks: Discovered in Cas using 14" f/2.0 Astrograph at Golden Ears Observatory (MPC code U55).

Photometry

Discovery (first detection):
Discovery date: 2026-07-07 08:10:21.792
Flux: 17 Other
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: Instrument: 14" f/2.0 Astrograph

Last non-detection:
Last non-detection date: 2026-06-22 09:37:12
Limiting flux: 18 Other
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: 3 frames taken with a 0.36-m f/2 astrograph + CCD; zero points calibrated to UCAC-4 magnitudes.

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