Werkgroep Zon - Vereniging voor Sterrenkunde vzw

The working group Sun is one of the sections of the belgian amateur-astronomers association VVS (= Vereniging Voor Sterrenkunde) and groups all the members who are interessted in the study of our nearby star, the sun. Since 1976, about 160 observers made more than 50.200 observations for the section.

Section leader

Franky Dubois
Poelkapellestraat 39
8920 Langemark
tel.: 057/48.93.28
astrosun@skynet.be

M 2.5 flare in Noaa 10898
Pictures are made with a 125mm refractor and 87mm C-ERF filter . The H alpha filter is a 20/20 system from Lille Germany 5 or 10 sec avies are made with a B&W webcam treated with registax and photoshop. The flare started at 08.13 U.T. peak at 08.36 U.T. end at 08.51 U.T. Franky Dubois Animation with above pictures (1,8 Mb ) Thanks to Cathy Boulanger France