spectro-aras.com

Hello,
clear skies again !!
So V777 cas for one hour a Be binary candidate http://arasbeam.free.fr/spip.php?page=b ... &etoile=71
And again P cygni.

Thierry

Strong wind, telescope in park position.
Only V777cas was done.

Clear in Toulouse.

P Cyg of course + hypergiant star (Rho Cas, Mu Cep) + Io Jupiter satellite (monitoring of sodium emission during many night for detect possible variation related to position of volcaneos on the apparent disk).

Christian B