---Ursprüngliche Nachricht---
Von: "Christian Buil" <
christian.buil@wanadoo.fr>
An: <
spectro-l@yahoogroups.com>
Betreff: [spectro-l] Evolution rapide rapide de l'étoile RR Lyr
Datum: 12. Jul 2008 22:56
A cette adresse :
http://astrosurf.com/buil/rrlyr/obs.htm
un bref compte rendu d'observation spectro de l'étoile RR Lyr.
On note la présence de phénomènes dont la durée de vie
n'est que de quelques minutes (shock wave).
Je pense que cette observation est une première en
astro amateur.
De l'importance aussi de faire des observations coordonnées
photométrie/spectrographie !
Christian Buil
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