TNS Astronomical Transient Report No. 290067 [ 2026TNSTR.500....1T ]
Date Received (UTC): 2026-02-06 04:10:17
Date made public:
Sender: Masaki Tsuboi
Reporting Group: None Discovery Data Source: None
Masaki Tsuboi report/s the discovery of a new astronomical transient.
IAU Designation: AT 2026cex
Coordinates (J2000): RA = 07:30:08.540 (112.535583) DEC = +24:30:05.70 (24.501583)
Discovery date: 2026-01-30 09:42:58.000 (JD=2461070.904838)
Potential host galaxy: NGC2398
Remarks: Offsets:104.7Wand50.5NofNGC2398
Photometry
Discovery (first detection):
Discovery date: 2026-01-30 09:42:58.000
Flux: 15.8 VegaMag
Filter: Clear-
Instrument: Other
Telescope: Other
Remarks: Telescope:0.35-m f/4.6 reflector
Last non-detection:
Last non-detection date: 2026-01-17 11:41:30
Limiting flux: 17.8 VegaMag
Filter: Clear-
Instrument: Other
Telescope: Other
Remarks: Telescope:0.35-m f/4.6 reflector
Details of the new object can be viewed here: https://www.wis-tns.org/object/2026cex
Date Received (UTC): 2026-02-06 04:10:17
Date made public:
Sender: Masaki Tsuboi
Reporting Group: None Discovery Data Source: None
Masaki Tsuboi report/s the discovery of a new astronomical transient.
IAU Designation: AT 2026cex
Coordinates (J2000): RA = 07:30:08.540 (112.535583) DEC = +24:30:05.70 (24.501583)
Discovery date: 2026-01-30 09:42:58.000 (JD=2461070.904838)
Potential host galaxy: NGC2398
Remarks: Offsets:104.7Wand50.5NofNGC2398
Photometry
Discovery (first detection):
Discovery date: 2026-01-30 09:42:58.000
Flux: 15.8 VegaMag
Filter: Clear-
Instrument: Other
Telescope: Other
Remarks: Telescope:0.35-m f/4.6 reflector
Last non-detection:
Last non-detection date: 2026-01-17 11:41:30
Limiting flux: 17.8 VegaMag
Filter: Clear-
Instrument: Other
Telescope: Other
Remarks: Telescope:0.35-m f/4.6 reflector
Details of the new object can be viewed here: https://www.wis-tns.org/object/2026cex

