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Flamsteed Astronomy Society |
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“Spotting Sunspots” Public Solar Viewing |
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Public Solar Viewing |
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Choosing your first telescope |
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NEVER LOOK DIRECTLY AT THE SUN OR VIA A TELESCOPE OR BINOCULARS WITHOUT A PROPER FILTER !! Depending on the weather and solar activity, volunteers from the Society set-up Hydrogen-alpha telescopes for public solar viewing sessions at the Royal Observatory Greenwich on some weekends between April and October from 11:30 to 14:00 hrs (approx). Sessions will be listed 24 hours in advance on our homepage. Alternatively, contact us if you are interested in coming and want to check dates and times. For next planned sessions please see our Homepage.
The Flamsteed Astronomy Society has donated to the ROG a solar viewing telescope equipped with a Hydrogen-alpha filter. This special telescope selects only the red light emitted by hydrogen in the outer layers of the Sun, and cuts out the dazzling light emitted due to the very high temperatures. This makes it possible to see the flares and prominences at the edges of the Sun’s disc, as well as the sunspots and other magnetic disturbances on the surface. Volunteer members of the FAS will supervise public viewing of the Sun through the telescope when the sky is clear enough, and show visitors that astronomy is not just a night-time activity. Pictures from Greenwich Solar Viewing Sessions — November 5, 2006 by Maggy Castex National Science Week 2005 by Mike Dryland ‘Star Struck’ Spring 2005 by Mike Dryland Training — September 4, 2004 by Ian McDowell August 8, 2004 by Mike Dryland
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| Solar X-rays: Geomagnetic Field: |
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Present Solar Activity Check what’s happening on the Sun’s surface now
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Coronado Handouts (pdf format) |
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May 29, 2009 P03 |