130416 Telescope Workshop notes, April 16, 2013
Attendees: TomK, EdK, JerryW, TomT, DmitriiZ, TimC
-Jerry, re:Ed friend Schmidt camera? mirror, talking about
auto collimation test vs collimator and Foucault Test. Point light source down
thru eyepiece thru telescope out to flat mirror reflect back into eyepiece and
cut w/ razor blade to produce pattern of shadows. If primary is good, then secondary would need
help.
-Ed has book:
Telescopes, Eyepieces, and Astrography.
Asking JW about the Dall-Kirkham that he designed. http://www.willbell.com/TM/TelescopesEyepiecesAstrographs.html
-TimC showed TomT his handouts on Telescopes and described
the telescope grinding process, silicon carbide, aluminum oxide, cerium oxide,
and pitch materials and steps. TimC has
great booklet made by Joe Doyle on choosing telescopes.
-Captain Crutchfield Adair story of TimC childhood mentor he
never met to see telescopes, but Adair was in club when Tim joined later in
life.
-An email was sent to TimC from JavierR on July 21 “Tinkers
Festival” need for telescope mirror making demonstration table
"CALL FOR TINKERERS:
Greetings from the Santa Barbara
Museum of Natural History!
My name is Justin Canty, I am the
Community Education Manager for the Santa
Barbara Museum of Natural History and
the Ty Warner Sea Center.
On Sunday, July 21st, 2013 (10:00 AM – 4:00 PM) The Museum of
Natural History will host our first “Tinker Fest”. The inspiration for Tinker
Fest comes from the desire to inspire creativity & inventiveness in our
visitors. I am now accepting proposals from potential “Tinkerers”.
What is the
Tinker Fest? It is a festival
that will highlight the creative work of people & groups of all ages. The
festival allows for individuals or groups to showcase their projects; highlight the process of making things and
create an
interactive experience for participants. ..."
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