TNS Astronomical Transient Report No. 305142 [ 2026TNSTR2254....1S ]

Date Received (UTC): 2026-05-24 20:58:53
Date made public:
Sender: Krzysztof Stanek
Reporting Group: ASAS-SN     Discovery Data Source: ASAS-SN

K. Z. Stanek, for the ASAS-SN team report/s the discovery of a new astronomical transient.

IAU Designation: AT 2026noc
Discoverer internal name: ASASSN-26no
Coordinates (J2000): RA = 11:44:33.115 (176.137979) DEC = -68:48:32.94 (-68.80915)
Discovery date: 2026-05-24 00:43:12.000 (JD=2461184.53)


Remarks: Bright Galactic Nova candidate (l/b=296.916/-6.72), present in multiple epochs

Photometry

Discovery (first detection):
Discovery date: 2026-05-24 00:43:12.000
Flux: 9 ABMag
Filter: g-Sloan
Instrument: Cassius
Telescope: ASASSN-Cassius

Last non-detection:
Last non-detection date: 2026-05-10 03:21:36
Limiting flux: 16 ABMag
Filter: g-Sloan
Instrument: Cassius
Telescope: ASASSN-Cassius


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