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Share your own activities, experiences, and thoughts about astronomy with the rest of the worldwide AWB community.
Share your own activities, experiences, and thoughts about astronomy with the rest of the worldwide AWB community.
The forecast predicted awesome weather to come, which is why 24 members with 17 telescopes stood prepared for our visitors. In the afternoon we welcomed around 40 children to our Antares Kids event. Enthusiastically the children experimented and crafted models, collected “meteorites” and launched air rockets and “comets”. Meanwhile their parents enjoyed coffee and cake at our Astro-Buffet and observing the sun in white light and H-Alpha. Our radio telescope – the only one at an Austrian public observatory – also attracted a lot of interest. From 7 pm on we started our evening program. It got really crowded then... Read More...
By Fritz Lensch, OE3 FLB. This article was also published in “Der Sternbote” 8/2011 As the Perseids were not well observable visually this year – due to the full moon – we decided to count the meteors using our radio telescope. The principle is based on Radar, but with spatially separated emitters and receivers (so called forward scattering). Detecting radio reflections of meteors requires a powerful emitter located approximately 300 to 1000 km away sending with high power in the direction of the meteors. We used the station GRAVES ( http://www.satellitenwelt.de/spaceradar.htm#GRAVES ), which is a French space surveillance system used... Read More...