spectro-aras.com

Hi all, great work you are doing here on the Nova! I follow the brightness changes with a DSLR camera using 3-color photometry in RGB. My measures are available in AAVSO database (VOL). Very interesting are the changes in color index green minus red which follow the brightness changes of the Nova qu...

Hello all, my name is Wolfgang Vollmann and I am located in Vienna, Austria. I am a stargazer and amateur astronomer for > 4 decades since I a was a child. For some years now I do photometry of variable stars for AAVSO and BAV, visually and with a DSLR. Not (yet) into spectroscopy but quite interest...