Stellafane Links Page The observatory at Stellafane, Vt., became a center for astronomical study. This telescope was installed in Cambridge from 1893 to 1895. DOBSONIAN TELESCOPE PLANS PDF - Card Carrying Skyscrapers Archive: September 2010 The 1.3m telescope mirror blank has been completed by Peter Wangsness and is now … 1.3m mirror blank – yard stick comparison . SPAC Mirror Lab Mel Bartels - Joy of Mirror Making - Decent mirror-making guide. Stellafane - Wikipedia The clubhouse, called Stellafane, was built in the 1920s and is owned by the Springfield Telescope Makers Club.In August, about 800 amateur telescope maker enthusiasts roamed the grounds of Breezy Hill for the four-day annual Stellafane Convention of … The annual Stellafane convention, organized by the Springfield Telescope Makers, took place August 1 –4 around their clubhouse on Breezy Hill in Springfield, Vermont. When not making precision optics for outer space, Dave and Phil volunteer an extraordinary amount of time and talent teaching us wannabees the finer points of optics and machine shop work. Reading up on this and doing some crude practice runs on an old 6" mirror... (and starting to think my 30cm Skywatcher mirror is suspect...so I would like to test it... (I don't think … Building Dobsonian … Watch and try your hand at mirror … 1.3-m Mirror Grinding Machine – Photo: Mike … Mirror-o … Introducing a new class of ... at Stellafane ’92 A Brief History The Teleport was conceived at the Riverside Telescope Makers Conference ... exits through ports on the far side of the mirror. We create frameless mirrors at 1/8”, 3/16” and 1/4” of thickness with edgework options. For this telescope, you need a PVC drain tube. Searching For, Filtering … Cecilia attended the Stellafane Mirror Class in 2010-2011 and made an excellent mirror. A member of the Springfield Telescope Makers since 1998, he is currently a Trustee of the club, the Stellafane Webmaster, and a Mirror Class instructor. Two young women listen intently to one of Stellafane’s famous mirror-grinding workshops. Link to the Stellafane Mirror Class. 5. Please drop us a It took almost 2 hours of polishing away, but all that was left by way of departure from a sphere when I arrived at class was a slight mound in … On these pages, however, we have tried to stick with simple and proven techniques that are most appropriate for novice mirror and telescope makers, and are generally what we teach beginners at the Stellafane Mirror Class. A Hike to an historic high point. The sequence of ever finer grits that you use … Optional … Telescope Classes are conducted each morning at 10:30 in the Fieldhouse Galaxy Theater. Stellafane sits on roughly 90 acres of land that is known as the mecca for Amateur Telescope Makers. The outer zone is spherical; the inner area is depressed. The pop superstar, 40, posed FULLY nude on Instagram Thursday in some … A member of the Springfield … We put on the annual Stellafane Convention in July or August, hold mirror making classes in the Fall and Winter, and usually hold a few Public Star Parties each year. “With Mirror workouts, you’ll need your own body weight or a few free … Links to World Wide Mirror Class Listings. Stellafane’s roots go back to 1920, when arctic explorer, artist and telescope maker Russell Porter led a telescope-making class for 16 people: 15 men and one woman. We maintain a list of Mirror Making Classes all over the World. Stellafane ATM: Grits, Polish & Pitch. I was told to work tool on top for 15 minutes or so, using a chordal stroke with about 3/4” of overhang, followed by mirror on top for 5 minutes with regular parabolizing stroke as above. hercules … build a mirror grinding machine Mirror Grinding Machine My Mirror Grinding Machine For a long time … They are derived from a … If you would like us to do that, please click on the following … Started in 1981 we do organise mirror-making classes at public observatory Urania at Hove (Belgium). Stellafane Mirror Class photo from November 2014 of two legendary professional opticians who are also lifelong avid amateur telescope makers. Use our ATM links to solve your Telescope Making problems. Above: foucaultgrams, at radius of central, 70%, and edge zones. This is a talk given by Larry Shaper at Stellafane, Springfield VT in Aug 2013.Stellafane does not put the printed version of talks nor the videos of the talks on it's website. Stellafane (Latin for shrine to the stars) is the name of the clubhouse built by the Springfield Telescope Makers club of Springfield, Vermont in the early 1920s, and has since come to refer to the club's land and buildings on the summit of Breezy Hill. There are almost as many ways to make mirrors and telescopes as there are telescope makers. A Dobsonian telescope is an altazimuth-mounted Newtonian telescope design popularized by John Dobson in 1965 and credited with vastly increasing the size of telescopes available to amateur astronomers.Dobson's telescopes featured a simplified mechanical design that was easy to manufacture from readily available components to create a large, portable, low-cost telescope. Amateur telescope making From Wikipedia, the free encyclopedia Jump to navigationJump to search This article is about the … The first official Stellafane Convention was held on July 3 and 4, 1926, and would be held annually until the start of World War II, when the people of Springfield had to dedicate all of their time to working in the town's factories to aid in the war … All of the bearings work smoothly. September Meeting with Ken Slater Introducing a new class of ... Oklahoma, and then in ‘92 to the Stellafane Telescope Makers Convention in Springfield, Vermont. This includes robotic foucault testing and laser interferometry. Andy Ponaris is also coordinating Dobson's telescope making course which is a definitely "go" for 3 weeks starting around August 1st, skipping over a week for special appearances by Dobson in … Francis O’Reilly, an ATMer in New … Stellafane’s roots go back to 1920, when arctic explorer, artist and telescope maker Russell Porter led a telescope-making class for 16 people: 15 men and one woman. I ended … CONCERT HALLS AND OPERA HOUSES BERANEK PDF. We usually ship all orders by 1st class mail or standard airmail. Page 2 of 2 - Stellafane Mirror Making Class - 6" F/9 Equatorial Pipe Mount Newt - posted in ATM, Optics and DIY Forum: I finally found a picture that shows my 6 inch on my homemade GEM pipe mount. Of course instructor(s) are still needed vs typical astro clubs atm day. Looking for a short Mirror grinding Workshop in the Summer - posted in ATM, Optics and DIY Forum: In about three weeks from now, The first Telescope making workshop in Israel will End. The 1.3m telescope mirror blank has been completed by Peter Wangsness and is now … 1.3m mirror blank – yard stick comparison . ... you’ve made your own mirror — the most crucial component of a functioning telescope. ment (Chester right next to Stellafane!). 357463527-Password-List.pdf - Free ebook download as PDF File (.pdf), Text File (.txt) or read book online for free. Stellafane Links Page Rough Grinding in the great outdoors at the Stellafane Mirror Class (October 2002 Stellafane Mirror Class) Telescope Making Workshops and Seminars. We try to list sites that complement or augment the information on our site. This workshop provides a series of videos on mirror testing and mirror quality that are either used in the mirror workshop directly or are intended to be a suppliment to it. When I was a kid I answered an ad much like the one that Porter posted on a bulletin board at J&L, and enrolled in a Stellafane-sponsored class in telescope mirror making. (1/9/11) This is after (Stellafane) mirror class. Image A: In the late 1930's, Everest obtained a 21½" mirror, one of six that had been cast along with the final 200" mirror used at the Palomar Observatory.Most of these small mirrors were … Ken Slater, of the Springfield Telescope Makers, photographed at the annual Stellafane ‘star party’ convention outside Springfield, Vermont; the Stellafane clubhouse. The Springfield Telescope Makers began when 15 men and one woman signed up for a class about mirror grinding with Russel W. Porter. Russell W. Porter. To some, mirrors fill a need. In the annals of amateur astronomy, few have the stature of Russell W. Porter. Scope Stuff. The main difference between Tonal and Mirror is the cable system: The Mirror doesn’t have one. This vivid pink banner welcomed attendees to the 2021 Stellafane Convention. Prior to Saturday's STM mirror class I worked the mirror with center-over-center strokes to try to get rid of the rings you can see in the images in the March 11 post below. Amateur Telescope Making. Here is a slide show of some of his progress. Welcome Back, Stellafane. Stellafane Links Page Rough Grinding in the great outdoors at the Stellafane Mirror Class (October 2002 Stellafane Mirror Class) Telescope Making Workshops and Seminars. World Wide Mirror Class List - Stellafane Live stellafane.org. Link to the Stellafane Mirror Class. The MIRROR is super simple to use. Use our ATM links to solve your Telescope … The 2022 Stellafane Convention will be held July 28-31. 100 Years after Porter, STMs Ascend Hawks Mountain again. He also enjoys hiking and backpacking, and is working to finish hiking the Appalachian Trail in New Hampshire this year. Above: foucaultgrams, at radius of central, 70%, and edge zones. Stellafane was an opportunity to test the romantic rep of my father’s profession. News; Calendar; Observing. View 14c.docx from SCIENCE 010 at University of Notre Dame. November Election News. The inclusion of an off-site li When I was a kid I answered an ad much like the one that Porter posted on a bulletin board at J&L, and enrolled in a Stellafane-sponsored class in telescope mirror making. If you want something functional, check out craigslist … The mirror is usable but would be improved with recoating. BEGINNERS CLASSES Watch and try your hand at mirror making featuring the renowned Springfield Telescope Makers. The mirror we will use in our sample scope was made at the Stellafane Mirror Class by the author, and we certainly encourage people to make their own telescope optics. There are almost as many ways to make mirrors and telescopes as there are telescope makers. 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