TNS Astronomical Transient Report No. 257050 [ 2025TNSTR2002....1C ]
Date Received (UTC): 2025-05-28 09:15:28
Date made public:
Sender: Flavio Castellani
Reporting Group: None Discovery Data Source: None
Flavio Castellani report/s the discovery of a new astronomical transient.
IAU Designation: AT 2025mho
Discoverer internal name: OMB-PNV27
Coordinates (J2000): RA = 00:43:55.890 (10.982875) DEC = +41:34:50.50 (41.580694)
Discovery date: 2025-05-28 02:06:35.000 (JD=2460823.5879051)
Potential host galaxy: M31
Remarks: Flavio Castellani report the discovery by F.Castellani, R.Belligoli and V.Andreoli of a PNV (Mag. 18.5R +-0.20 - USNOB1 catalogue) in the host galaxy M31 at Monte Baldo Observatory, Ferrara di Monte Baldo, Verona, Italy (A99), in the course of Italian Supernovae Search Project using a 0.40m f/7 Dall-Kirkham telescope (+ Moravian G4-9000 KAF unfiltered CCD camera)9*180 co-added images. No stellar source was visible at the position of the transient in our past images including reference image dated 2025/03/08.7874.
Photometry
Discovery (first detection):
Discovery date: 2025-05-28 02:06:35.000
Flux: 18.4 ABMag
Filter: Clear-
Instrument: Other
Telescope: Other
Remarks: 0.40m f/7 Dall-Kirkham -OSSERVATORIO MONTE BALDO-
Last non-detection:
Last non-detection date: 2025-03-08 18:53:53
Limiting flux: 19.5 ABMag
Filter: Clear-
Instrument: Other
Telescope: Other
Remarks: 0.40m f/7 Dall-Kirkham -OSSERVATORIO MONTE BALDO-
Details of the new object can be viewed here: https://www.wis-tns.org/object/2025mho
Date Received (UTC): 2025-05-28 09:15:28
Date made public:
Sender: Flavio Castellani
Reporting Group: None Discovery Data Source: None
Flavio Castellani report/s the discovery of a new astronomical transient.
IAU Designation: AT 2025mho
Discoverer internal name: OMB-PNV27
Coordinates (J2000): RA = 00:43:55.890 (10.982875) DEC = +41:34:50.50 (41.580694)
Discovery date: 2025-05-28 02:06:35.000 (JD=2460823.5879051)
Potential host galaxy: M31
Remarks: Flavio Castellani report the discovery by F.Castellani, R.Belligoli and V.Andreoli of a PNV (Mag. 18.5R +-0.20 - USNOB1 catalogue) in the host galaxy M31 at Monte Baldo Observatory, Ferrara di Monte Baldo, Verona, Italy (A99), in the course of Italian Supernovae Search Project using a 0.40m f/7 Dall-Kirkham telescope (+ Moravian G4-9000 KAF unfiltered CCD camera)9*180 co-added images. No stellar source was visible at the position of the transient in our past images including reference image dated 2025/03/08.7874.
Photometry
Discovery (first detection):
Discovery date: 2025-05-28 02:06:35.000
Flux: 18.4 ABMag
Filter: Clear-
Instrument: Other
Telescope: Other
Remarks: 0.40m f/7 Dall-Kirkham -OSSERVATORIO MONTE BALDO-
Last non-detection:
Last non-detection date: 2025-03-08 18:53:53
Limiting flux: 19.5 ABMag
Filter: Clear-
Instrument: Other
Telescope: Other
Remarks: 0.40m f/7 Dall-Kirkham -OSSERVATORIO MONTE BALDO-
Details of the new object can be viewed here: https://www.wis-tns.org/object/2025mho