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According to a report posted to the VSOLJ mailing list by Iijima-san in Asiago, Italy, T CrB was measured at about 7 mag as of 21:00 UT on September 4, suggesting that a nova eruption might have begun.

If confirmed, time series as long as possible is recommended.

You are welcome Jerry.

Your contribution to ARAS database (JDH) is very appreciated.

François

H alpha from spectra secured by 2SPOT, Paul Luckas, Colin Elridge, Alain Maetz & Christian Kreider

novalup2025_Halpha.png


[O I] (flux x 3 for clarity)

novalup2025_[OI]6300.png

Na ID

novalup2025_NaID1.png

AAVSO Lightcurve (BVRI)

NovaLup2025_1dayMean_cleaned.png

Very classical nova ...

That's very great, Joan.
Congratulations for the NOUT and the spectrum.
François

The brightest star of the field is TYC 5121-549-1 V =10.65

Nice spectrum, Christophe.

A faint transcient was detected in Ser ( http://www.cbat.eps.harvard.edu/unconf/followups/J18385851-0351482.html ) and identified as
a nova ( https://www.astronomerstelegram.org/?read=17292 )

The current magnitude V is ~12

Spectra: https://aras-database.github.io/database/novaser2025.html

The ...

[O I] line in spectra secured by Team 2SPOT, Colin Elridge, Paul Lukas
The spectrum is evolving toward the nebular phase
Spectra (76) in the database: https://aras-database.github.io/databas ... p2025.html

Perhaps a rebrightning:

Optical spectroscopy of V572 Vel: Not obviously a classical nova

ATel #17256; Steve Shore (Univ. Pisa, INAF-OATS), Olivier Garde, Stephane Charbonnel, Lionel Mulato , Pascal Le Dû, Thomas Petit (2SPOT), Paul Luckas (Univ. Western Australia, ARAS), Francois Teyssier (ARAS), Peter Velez (ARAS)
on 30 ...

A bright transcient has been detected in Vela

http://www.cbat.eps.harvard.edu/unconf/followups/J10251200-5331109.html

The target was detected in gamma:

https://www.astronomerstelegram.org/?read=17252

An identification as dwarf nova of type SU UMa (outburst and super outbursts) was proposed ...