TNS Astronomical Transient Report No. 270382 [ 2025TNSTR3742....1F ]
Date Received (UTC): 2025-09-17 00:27:19
Date made public:
Sender: Róbert Fidrich
Reporting Group: None Discovery Data Source: None
Róbert Fidrich report/s the discovery of a new astronomical transient.
IAU Designation: AT 2025xtl
Discoverer internal name: Vend68
Coordinates (J2000): RA = 00:42:42.710 (10.677958) DEC = +41:11:26.10 (41.190583)
Discovery date: 2025-09-16 03:06:28.800 (JD=2460934.6295)
Potential host galaxy: M31
Remarks: Róbert Fidrich and Tamás Tordai (HAA/VSS) report the discovery of a new astronomical transient. Discovered using 4x90s co-added images made with a 0.43 m Dall-Kirkham telescope at Alnitak Remote Observatory, Sierra del Segura, Spain, with Luminance filter. The discovery was made using the Alnitak Remote Observatories robotic telescope network, ARTA program. More details with discovery image: https://vendegcsillagkereso.blogspot.com/2025/09/vend68-probable-nova-in-m31.html
Photometry
Discovery (first detection):
Discovery date: 2025-09-16 03:06:28.800
Flux: 18.7 VegaMag
Filter: Clear-
Instrument: Other
Telescope: Other
Remarks: Róbert Fidrich and Tamás Tordai (HAA/VSS) report the discovery of a new astronomical transient. Discovered using 4x90s co-added images made with a 0.43 m Dall-Kirkham telescope at Alnitak Remote Observatory, Sierra del Segura, Spain, with Luminance filter. The discovery was made using the Alnitak Remote Observatories robotic telescope network, ARTA program. More details with discovery image: https://vendegcsillagkereso.blogspot.com/2025/09/vend68-probable-nova-in-m31.html
Last non-detection:
Last non-detection date: 2025-09-15 02:05:51
Limiting flux: 20 VegaMag
Filter: Clear-
Instrument: Other
Telescope: Other
Remarks: 4x90s co-added images made with a 0.43 m Dall-Kirkham telescope at Alnitak Remote Observatory, Sierra del Segura, Spain, with Luminance filter. The observation was made using the Alnitak Remote Observatories robotic telescope network, ARTA program.
Details of the new object can be viewed here: https://www.wis-tns.org/object/2025xtl
Date Received (UTC): 2025-09-17 00:27:19
Date made public:
Sender: Róbert Fidrich
Reporting Group: None Discovery Data Source: None
Róbert Fidrich report/s the discovery of a new astronomical transient.
IAU Designation: AT 2025xtl
Discoverer internal name: Vend68
Coordinates (J2000): RA = 00:42:42.710 (10.677958) DEC = +41:11:26.10 (41.190583)
Discovery date: 2025-09-16 03:06:28.800 (JD=2460934.6295)
Potential host galaxy: M31
Remarks: Róbert Fidrich and Tamás Tordai (HAA/VSS) report the discovery of a new astronomical transient. Discovered using 4x90s co-added images made with a 0.43 m Dall-Kirkham telescope at Alnitak Remote Observatory, Sierra del Segura, Spain, with Luminance filter. The discovery was made using the Alnitak Remote Observatories robotic telescope network, ARTA program. More details with discovery image: https://vendegcsillagkereso.blogspot.com/2025/09/vend68-probable-nova-in-m31.html
Photometry
Discovery (first detection):
Discovery date: 2025-09-16 03:06:28.800
Flux: 18.7 VegaMag
Filter: Clear-
Instrument: Other
Telescope: Other
Remarks: Róbert Fidrich and Tamás Tordai (HAA/VSS) report the discovery of a new astronomical transient. Discovered using 4x90s co-added images made with a 0.43 m Dall-Kirkham telescope at Alnitak Remote Observatory, Sierra del Segura, Spain, with Luminance filter. The discovery was made using the Alnitak Remote Observatories robotic telescope network, ARTA program. More details with discovery image: https://vendegcsillagkereso.blogspot.com/2025/09/vend68-probable-nova-in-m31.html
Last non-detection:
Last non-detection date: 2025-09-15 02:05:51
Limiting flux: 20 VegaMag
Filter: Clear-
Instrument: Other
Telescope: Other
Remarks: 4x90s co-added images made with a 0.43 m Dall-Kirkham telescope at Alnitak Remote Observatory, Sierra del Segura, Spain, with Luminance filter. The observation was made using the Alnitak Remote Observatories robotic telescope network, ARTA program.
Details of the new object can be viewed here: https://www.wis-tns.org/object/2025xtl