I found this link from a friend. I haven't checked it out on the subject of astronomy, but everything else is very interesting. Be sure to watch the introductory video to see some of the cool information it is capable of showing you. http://www.wolframalpha.com/screencast/introducingwolframalpha.html <blocked::http://www.wolframalpha.com/screencast/introducingwolframalpha .html> Here is the link to the actual site after you view the introduction: http://www.wolframalpha.com/ <blocked::http://www.wolframalpha.com/> . ________________________________ From: utah-astronomy-bounces@mailman.xmission.com [mailto:utah-astronomy-bounces@mailman.xmission.com] On Behalf Of Chuck Hards Sent: Wednesday, May 12, 2010 10:38 PM To: Utah Astronomy Subject: Re: [Utah-astronomy] Dust covers Sender ALLOWED [ Remove <https://vq.co.linn.or.us/pk/banner?op=remove_from_allow&From=utah%2Dast ronomy%2Dbounces@mailman.xmission.com&VU=aV47PNhFIWR67juHByvmTQ> ] [ Block <https://vq.co.linn.or.us/pk/banner?op=block_sender&From=utah%2Dastronom y%2Dbounces@mailman.xmission.com&VU=aV47PNhFIWR67juHByvmTQ> ] details <https://vq.co.linn.or.us/userguide/details_allow.html> Vanquish Anti-Spam Control Panel <https://vq.co.linn.or.us/pk/heldemail> Steve, it's quicker for me to deal with Photobucket, so here are some cell-phone shots. I'll get better ones on the weekend. Here is the 8" OD dustcover: http://i260.photobucket.com/albums/ii24/JethroTull1958/6inch003.jpg 8" dust cover installed on 6" f/8 Newtonian: http://i260.photobucket.com/albums/ii24/JethroTull1958/6inch001.jpg Here is a close-up, showing the surface texture: http://i260.photobucket.com/albums/ii24/JethroTull1958/6inch002.jpg What's the OD of your refractors? On 5/12/10, Steve FISHER <sfisher01@msn.com> wrote:
Please let me know when you get those pictures up. Both my D&G
refractors
need good dust covers.
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