New transcient, perhaps a nova

[Olivier GARDE]

Here's my last spectrum taken last night.
Comparison with the last echelle spectrum of Joan (taken in the ARAS data base)


And Balmer lines (H Alpha and H Beta)

[Joan Guarro Flo]

Hi,
Variations of the NovaSct2017 on the last 24 hours.
The star continue having it's ascending tendence in the Hidrogen.
Joan.

[Francois Teyssier]

Congratulations Joan and Olivier,
The evolution during the decline is impressive.

François

[umberto sollecchia]

Bonjour à tous, le profil de la nova observé le soir 13/08/2017. Umberto

Profilo nova flux.png (8.12 KiB) Viewed 8811 times

[Paolo Berardi]

Hi all, I added my last observations in the following profile animations.

H-beta and Fe II (42), sequence that includes July 26, 30, Aug 1, 3, 9 obs.



H-alpha region. Includes July 10, 25, 31, Aug 13 obs.



The same spectra (H-alpha) at lower flux values:



Paolo

[Francisco Campos]

Hello,

here is my contribution from the night before yesterday.

_novasct2017_20170813_856_FPC.png (10.63 KiB) Viewed 8774 times

Greetings
Fran

[Joan Guarro Flo]

Hi,

These graphics showing the evolution of the Hydrogen on de last nights.

The last night was cloudy in my two observatories.

Joan.

[Paolo Berardi]

Hello Catalunya and all,
yesterday I measured V mag 10.30 (~ 21 UT, Aug 15). I tried to capture the complex Na D and He I 5876 superimposed lines.



Paolo

[Joan Guarro Flo]

Hi all, Bongiorno Paolo !

The NOVA SCT2017, continued with it ascending Hydrogen emission. Is it normal ?

No tinc por, Joan.

[Francois Teyssier]

Finally, I join the campaign ...
Not easy at Latitude 50N (+ haze tonight)
But impressive change in the Balmer profiles within 2 days

novasct2017_Ha.png (25.07 KiB) Viewed 8686 times

Udate with Paolo spectrum (18-08)

novasct2017_Halpha.png (31.67 KiB) Viewed 8652 times

Flat top: signature of an almost spherical ejecta - Still very opaque (absorption at -280 km/s)


François