RA/DEC (2000)
09:54:46.470 +69:06:31.70
148.693625 +69.108806
Type
---
Redshift
Reporting Group
None
Discovering Data Source
None
Discovery Date
2026-01-26 19:47:47.000
TNS AT
Y
Public
Y
Host Name
M81
Discovery Mag
20.2
Filter
Clear-
Reporter/s
Flavio Castellani

Light curves

 Other_Other_Clear
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
No Data
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- Other_Other 2026-01-22 03:20:30 - 2026-01-26 19:47:47 2461062.6392361 - 2461067.3248495 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
554109 2026-01-26 19:47:47 2461067.3248495 20.2 19.3 ABMag Clear- Other_Other 2700 CASTELLANI F. 0.40m f/7 Dall-Kirkham telescope
554108 2026-01-22 03:20:30 2461062.6392361 20 ABMag Clear- Other_Other 3600 CASTELLANI F. [Last non detection] 0.40m f/7 Dall-Kirkham telescope
AT Reports
ID Time received (UT) Sender Reporter/s Reporting group Disc. Data Source RA DEC Discovery date (UT) Discovery Mag. Filter Related files AT Type Host name Internal name Assoc. Groups End prop. period Remarks ADS Bibcode Unreal Auto classification
289088 2026-01-26 22:20:41 Flavio Castellani Flavio Castellani et al. 09:54:46.470 +69:06:31.70 2026-01-26 19:47:47.000 20.2 Clear- PNV M81 OMB32 Flavio Castellani report the discovery by F.Castellani, R.Belligoli and V.Andreoli of a PNV (Mag. 19.3R +-0.20 – USNOB1 catalogue) in the host galaxy M81 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)in a couple od 15*180 co-added images. No stellar source was visible at the position of the transient in our past images including reference image dated 2026-01-22 03:20:30 UT 2026TNSTR.345....1C N
Related files
File Comments Last Modified (UT) Modified By
tns_2026blf_atrep_289088.jpg Discovery image. 2026-01-26 22:23:07 Flavio Castellani
No Data

Comments

Flavio
Castellani

ADDITIONAL PHOTOMETRY - OSSERVATORIO MONTE BALDO -

DATE RA DEC MAGN FILTER 2026-01 26.80809 09 54 46.47 +69 06 31.7 19.3 CLEAR 2026 01 26.84402 09 54 46.43 +69 06 31.7 19.7 CLEAR 2026 01 26.92836 09 54 46.47 +69 06 31.7 19.6 CLEAR 0.40m f/7 Dall-Kirkham telescope