Fri, 01/31/2014 - 17:21
Regarding to the subject above, see:
http://astrospectroscopy.de/Orbital_period_change_of_Pleione.pdf
Ernst Pollmann
Regarding to the subject above, see:
http://astrospectroscopy.de/Orbital_period_change_of_Pleione.pdf
Ernst Pollmann
Ernst,
as usual - great work with input/observation from numerous observers...
Cordialement,
Olivier Thizy