AAVSO Alert Notice 707 contains an update of Ernst Pollmann's spectroscopy campaign on gamma Cas (originally announced in Alert Notice 694) and gives the science behind his request and also shows some spectra of the line he is studying. Please see the notice for details and observing instructions.
DISCUSSION OF THIS CAMPAIGN IN THIS FORUM MOVES TO THIS THREAD - please post your comments and questions below. (Do not use the old threads from Alert Notice 694.)
Many thanks, and Good observing,
Elizabeth O. Waagen, AAVSO HQ
I think it is time to inform you about the current state of our HeI6678 project of gamma Cas. The following link enables you to download the summary text and corresponding diagrams and files mentioned in it:
To open the file please use the password: gamcas
At present it is not possible to attach something here in forum postings. That´s why I have to use this way.