Dobson spent 23 years in a monastery, after which he became more active in promoting astronomy. Plans for Building a Dobsonian Telescope brought to you by: The San Francisco Sidewalk Astronomers Yes, it "looks like a cannon," but the above is really a ten-inch (measured by the diameter of the objective) Newtonian telescope that almost anybody can build. Dobson claimed the Big Bang model did not hold up to scrutiny,[7][8] and instead advocated a non-standard cosmology; a “recycling” Steady State model of the universe, where matter in the universe is forever expanding outward, but matter also “recycles” over time via quantum tunneling. It was popularized by John Dobson of the San Francisco Sidewalk Astronomers, who is also an honorary member of the Springfield Telescope Makers. In an essay entitled, “Origins”, Dobson also argued that such a universe could allow for life to be ubiquitous and ever-present. [9], In 2004, the Crater Lake Institute presented Dobson with its Annual Award for Excellence in Public Service for pioneering sidewalk astronomy in the national parks and forests, “where curious minds and dark skies collide”. The current organization has members throughout the world, and continues to promote public service astronomy by putting telescopes on street corners in urban areas. By 1956, John got a hold of a 12-inch slab of porthole glass and ground it into a mirror following instructions from Allyn J. Thompson’s classic book Making Your Own Telescope. The term Newtonian is referring to the optics of the telescope. He chose to stop building telescopes so that he could remain at the monastery. But one day another monk wrongly accused him as missing and reported him to the head swami. Dobson’s interest in astronomy started in the early 1950s when he built a small telescope using spare parts found in a junk store. His obituary appeared on the website of the Sidewalk Astronomers: “It is with heavy hearts that we must report the passing of John Dobson. In essence, the design of the Dobsonian Telescope, or rather its invention was a long process. When I was 9 years old John came to our school in Lucas Valley. The telescope is altazimuth-mounted and operates at low magnifications. I offer my prayers to Lord for eternal peance for his soul. These days, Dobsonian reflecting telescopes have gone viral. To this end, he often offered assistance and corresponded about his work with those outside the monastery. XT8 – $400. Sams had built a large telescope but because at the time he was only 12, he was not eligible for membership in the only local club – the San Francisco Amateur Astronomers – thus the “San Francisco Sidewalk Astronomers” was begun. He died peacefully this morning, Wednesday, January 15th, in Burbank, California. [21], This article is about the amateur astronomer. As a teen, Dobson became a “belligerent” atheist. However, he maintains that the accusation was not the true reason for his expulsion. Sidewalk Astronomers has since become a prominent organization, recognized for its taking of astronomy to the public via "sidewalk astronomy". Kobau star party in British Columbia, Canada. John Lowry Dobson (September 14, 1915 – January 15, 2014) was an amateur astronomer and is best known for the Dobsonian telescope, a portable, low-cost Newtonian reflector telescope. Sky Watcher Classic 200 Dobsonian 8-inch Aperature Telescope – Solid-Tube – Simple, Traditional Design – Easy to Use, Perfect for Beginners, White (S11610) 4.1 out of 5 stars 146. He was a great educator of astronomy for the public! Orion Telescopes XT6 – $300. Here’s why. An altazimuth or alt-azimuth mount is a simple two-axis mount. A Dobsonian telescope, simply put, is a Newtonian OTA (optical tube assembly) mounted on an alt/az mount. John Dobson, famous as the creator of the simple, low-cost Dobsonian telescope, passed away on Jan. 15, 2014. Dobsonian; Derived terms . Dobson authored the 1991 book How and Why to Make a User-Friendly Sidewalk Telescope (.mw-parser-output cite.citation{font-style:inherit}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .id-lock-free a,.mw-parser-output .citation .cs1-lock-free a{background:linear-gradient(transparent,transparent),url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited a,.mw-parser-output .id-lock-registration a,.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration a{background:linear-gradient(transparent,transparent),url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription a,.mw-parser-output .citation .cs1-lock-subscription a{background:linear-gradient(transparent,transparent),url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-ws-icon a{background:linear-gradient(transparent,transparent),url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-maint{display:none;color:#33aa33;margin-left:0.3em}.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}ISBN 978-0913399651) with editor Norman Sperling. How wrong this early assessment would turn out to be! His first look at the last quarter turned him into an astro-evangelist: “It looks like you’re coming in for a landing,” he wrote in his own telescope making book many years later. Zhumell Z12 Deluxe Dobsonian Reflector Telescope. Dobson was born in Beijing, China but moved with his parents to San Francisco in 1927. At their very smallest, Dobsonians have a minimum aperture size of 5”. Most telescope outlets sell several lines of Dobsonians. He was 98 years old. The telescope which Dobson used most frequently on the streets of San Francisco, was a classic 9-inch aperture Dobsonian, with a typical porthole glass mirror of outstanding optical quality, made by one of his own students in a mirror making class. Sorry, your blog cannot share posts by email. History. Dobsonian telescopes may appear unconventional to the first time buyer, but the fact is that they dominate the market for amateur telescopes over eleven inches in aperture. Find the best Dobsonian telescope for sale online at High Point Scientific. Too unique for some. He was also known for his efforts to promote awareness of astronomy (and his unorthodox views of physical cosmology) through public lectures including his performances of "sidewalk astronomy." When someone asks me to recommend a telescope, I always say “Get a Dobsonian!” They’re extremely portable, very stable, quick to set up and take down and the least expensive per inch of aperture of any scope out there. His book “Advaita Vedanta and Modern Science is an excellent book which brings together Eastern Philosophy and Western Science in understanding the reality of the universe. Telescopes: Truss Telescopes: Ultra-Light Conversions: Scopes and Testimonials: Parts and kits: Components for the ATM: The "ETT" (Easy Transport Telescope) Telescopes for sale: Links: Contact Us: Pricing: Payments Paypal and Credit Cards . Dobsonian telescope (plural Dobsonian telescopes) An alt-azimuth mounted Newtonian reflector (Newtonian telescope); a type of reflecting telescope . Members of the organization also visit national parks giving slide show presentations, providing telescope viewing, and explaining the universe. In his own words, he jokes that he was "too retarded" to build a more sophisticated telescope with an equatorial telescope mount. Get to know John Dobson a little better in this video titled “Have Telescopes, Will Travel”, In the summer of 1969 Dobson pitched his simple ideas to Sky and Telescope magazine. He accepted and had dinner with us. John Dobson is credited with inventing this telescope design during the 1960s. Noun . Although he had a degree in chemistry, Dobson had always been interested in spiritual issues. He took to wheeling them around outside the monastery, fascinating the neighbors who would congregate around him.”[3], Dobson's interest in telescope building was in part to better understand the universe, and in part to inspire in others a curiosity about the cosmos. A Dobsonian telescope is an Newtonian telescope design.. The true reason, he contends, was a result of a misunderstanding. He spent two more months at his home in San Francisco, and spent most of the rest of each year traveling as an invited guest for astronomical societies, where he spoke about telescope building, sidewalk astronomy, and his views of cosmology and the scientific establishment. He was reluctant to take credit, however, pointing out that he built it that way because it was all he needed. However primitive, his instruments delivered bright and satisfying images of all the cool, faint stuff in the sky to the average Joe and Jane. The head swami read a paper that was presumably written by Dobson that contradicted the reconciliation of science with Vedanta, and the swami thought Dobson had rejected the swami's teachings. Hence, it is cost-effective and portable. Sky Watcher Classic 200 Dobsonian 8-inch Aperature Telescope – Solid-Tube – Simple, Traditional Design – Easy to Use, Perfect for Beginners, White (S11610) 4.0 out of 5 stars 139. We offer a wide selection of Dobsonian reflector telescopes. Thanks John. A Dobsonian Telescope is a optically a Newtonian Reflector mounted on a Alt-Az mount with a low and stable center of gravity and Teflon-Laminate bearings. Dobson also appears as one of the speakers in Universe: The Cosmology Quest, a documentary about non-standard cosmological theories. John Dobson, famous as the creator … He will be missed but not forgotten. Starstructure Telescopes has been on the leading edge of Truss Dobsonian manufacturing and advancement since 1998. That job led him to build telescopes on the side. Purchase Dobsonian telescopes today and save at High Point Scientific! Our Mission. From that moment on Dobson felt “that everybody who lives in this world has to see that.”. [4], Eventually Dobson was given the option of ceasing his telescope building or leaving the order. There are how-to books on how to build everything from simple to sophisticated Dobsonsians , including Dobson’s own unique plywood-bound How and Why to Make a User-Friendly Sidewalk Telescope. Join us at patreon.com/universetoday. XT12i Intellescope – $1,350 In the Orion line of dobsonians, the “i” indicates the “intelliscope” version. Don’t want to build one yourself? Dobson +‎ -ian + telescope From John Dobson, its inventor. It supports and rotates an instrument about two perpendicular axes – one vertical and the other horizontal.. Rotation about the vertical axis varies the compass bearing of where the instrument points (the azimuth). Originally, Dobson called his invention the ‘Sidewalk Telescope’, as it was basically a tool aiding his sidewalk astronomy calling. Complete Telescopes Now Available! [11], Dobson died while in Providence / Saint Joseph Medical Center in Burbank, California on January 15, 2014. Heck, my 10-inch and 15-inch reflectors, the most used of my instruments, originate from John’s genius. Dobsonian Telescope has 3,984 members. In part one, we show you how to build a workbench, an essential part of the telescope construction process. This type of simplified altazimuth mount is also commonly referred to in amateur astronomical circles as a "Dobsonian mount". Unexpectedly, the Sidewalk Astronomers were invited to the Riverside Telescope Makers' meeting in 1969. Mr. Dobson was a rare personality I saw years ago in Detroit when he delivered a lecture on Science and Religion. At the time he was living in a monastery in San Francisco, working as a gardener. Dobson was born in Beijing, China. Had the privilege of meeting Mr Dobson in the early 90’s when his team brought a portable/collapsible 36″ diameter instrument from California to the Mt. I invited him to dinner at my home. John used simple materials like porthole glass, cardboard tubes and wooden altitude-azimuth (alt-az) mounts to build incredibly easy to use large telescopes. The term Dobsonian is referencing specific features e.g. Never saw that many people (over 200) lining up silently in complete darkness in the wilderness for their turn at climbing a 15 foot ladder for precious few minutes at the eye piece. Published articles helped the popularity of the design grow and due to its ease of use and relatively low cost, today, it is one of the most common telescope designs available. The next clear night tilt your head back, gaze up at the stars and imagine John up there smiling. After a few years, … John Lowry Dobson (September 14, 1915 – January 15, 2014) was an amateur astronomer and is best known for the Dobsonian telescope, a portable, low-cost Newtonian reflector telescope. The Dobsonian is a simple, low-cost telescope design popularized by San Francisco amateur astronomer John Dobson in the 1970s. Of course, Dobsonians truly shine under dark skies in remote observing locations, but when John Dobson first invented this telescope, he used it to provide stunning views of the planets and other objects to families on the streets of urban San Francisco. Simply put, this is a computer that goes with the telescope. This is a follow-up video to "Ideas for Motorizing a Dobsonian Telescope" found here on Dakota Starry Nights; with an emphasis on "How to" Most sources state that it was invented and designed by John Dobson, after which it was named. Appropriately nicknamed "Tumbleweed", since it traveled randomly about to numerous public observing locations, this 9-inch telescope is now shared among many astronomy clubs and organizations around the world, allowing people everywhere to observe the heavens with such an iconic instrument, just as Dobson would have wished. They come in different sizes and with optional, additional features to enhance both optical and mount performance. an Alt-Azimuth Mount, Thin Mirrors etc of a Newtonian Telescope. He was also featured in the PBS series The Astronomers, and appeared twice on The Tonight Show Starring Johnny Carson. He patented his ideal in 1965. If anybody started a conversation about the subject, I was a belligerent atheist.”[3], Over time Dobson became interested in the universe and its workings. The design revolutionized[14][15][16] the sheer size of telescopes available to amateur astronomers with the optical diameters unheard of before their appearance. Select from favorite brands like the Apertura Dobsonian and Celestron Dobsonian. What an incredible view he must have. After spending 23 years in a monastery, some of which time was spent sneaking out to build telescopes and observe the night sky, he left to co-found the San Francisco Sidewalk Astronomers in 1968, a group dedicated to showing people on the street the wonders of the night sky using large (for the time) telescopes. He decided to express his genius ideas to Sky and Telescope in 1969, but they were not so much convinced with him. "TJ": Bob and Cathy's 20-inch Telescope, the history of a 35 year old Dobsonian |Bob's Scopes Home || 4.25-inch f/4 Travel Scope || 4.25-inch f/10 Planetary Scope || 6-inch Ultra Small Travel Scope || 10-inch f/5.6 Boppian || 12.25-inch Suitcase Travel Scope || TJ: A 20-inch f/6.4 Dob || 31-inch f/7 | Last touched 2019 August 14 . Click to share on Facebook (Opens in new window), Click to share on Pocket (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on LinkedIn (Opens in new window), Click to share on Tumblr (Opens in new window), Click to share on Pinterest (Opens in new window), Click to share on Reddit (Opens in new window), Click to email this to a friend (Opens in new window), Creative Commons Attribution 4.0 International License. Dobson has also published Beyond Space and Time (2004) (ISBN 978-0972805193) and The Moon is New (2008) (ISBN 978-0981695204). Dobson co-founded the San Francisco Sidewalk Astronomers in coordination with two other people, having cheaply constructed several telescopes that were easy to use, including a 24-inch (610 mm) telescope that was built for approximately US$300. Dobsonian telescopes are popular because they offer the most available aperture for the dollar. The inventor of the Dob telescope is John Dobson where he got interested in Astronomy in the 1950s. Dobson wanted everyone to share in the universe’s bounty, the better to appreciate our lives and our world. Telescope building was not part of the curriculum at the monastery, however, and much of his correspondence was written in code so as to attract less attention. “One of John's responsibilities at the monastery was to reconcile astronomy with the teachings of Vedanta. His ideas became widely adopted starting in the early 1980s, when Coulter Optical began manufacturing 13.1-inch and 17.5-inch large reflecting telescopes with inexpensive mirrors and simple alt-azimuth mounts that soon were called “Dobsonian” because they were based on John’s original designs. Before sunset on the 3 nights he spent there, he would walk around the summit of this 5600′ mountain stopping at each participant’s instruments and answering quietly whispered questions. Rather than have regular meetings, the organization simply set up telescopes on the sidewalk during clear evenings, offering to show and explain the night sky to people passing by. The Dobsonian telescope was created by John Dobson in 1965. John Dobson began developing this form in 1956. [2] He was also known for his efforts to promote awareness of astronomy (and his unorthodox views of physical cosmology) through public lectures including his performances of "sidewalk astronomy." This reflecting telescope was made in the 1980s as part of the "Dobsonian revolution" in amateur astronomy. A "potted geranium" referred to a telescope in a tube and rocker, while a "geranium in bloom" referred to a telescope whose mirror was now aluminized. Dobsonian telescopes were developed in the 1960’s by John Dobson, an amateur astronomer. Surprisingly and controversially at the time, Dobson's telescope tied in first prize for best optics. Dobsonian telescopes are large aperture Newtonian reflectors. So I became an atheist, a belligerent atheist. It was also at this time that Dobson's simple form of telescope – which came to be known as the Dobsonian – became well known after he started teaching classes to the public on how to make your own telescope. Having left the order in 1967, Dobson in 1968 co-founded the San Francisco Sidewalk Astronomers,[6] an amateur astronomy organization that aims to popularize astronomy among people on the street, along with Bruce Sams and Jeffery Roloff. [18] With its simplicity of construction and use, the Dobsonian has become a very popular design today, particularly for large amateur telescopes. However, many Dobsonians … Dobsonian telescopes feature simplified designs that are easy for amateur astronomers to create from readily available components. Dobson was also the co-founder of the amateur astronomical group, the San Francisco Sidewalk Astronomers. John Dobson, famous as the creator of the simple, low-cost Dobsonian telescope, passed away on Jan. 15, 2014. On March 8th, in honor of John, this year’s ISAN (International Sidewalk Astronomy Night) will be dedicated to his memory. Dobson's life and ideas are the subject of the 2005 documentary A Sidewalk Astronomer. Toting beat-up, monster telescopes everywhere from downtown San Francisco and to national parks across the country, Dobson made good on his promise. Dobson said the swami “revealed to him a world he had never seen.”[3] That same year Dobson joined the Vedanta Society monastery in San Francisco, becoming a monk of the Ramakrishna Order. See no ads on this site, see our videos early, special bonus material, and much more. I’ll never forget the three days you gave me, building my (our) 8″er. He and his parents moved to San Francisco, California in 1927. Send Off for Coating (optional, Informational Reading Past This Point) This part and all that follows … This telescope was portable enough that it could be taken by Dobson from his residence to many busy street corners in San Francisco, using the city's Muni public transportation. Then-editor Charles Federer wrote back a polite rejection, stating that Dobson’s techniques weren’t up to standards and “could hardly lead to satisfactory instruments in the kind most amateurs want in these large sizes.”. This work is licensed under a Creative Commons Attribution 4.0 International License. Synonyms . (Image Source: Wikipedia.org ) By Glenn A. Walsh Reporting for SpaceWatchtower Yesterday morning (January 15), Amateur Astronomy popularizer and inventor of the Dobsonian Reflector Telescope, John L. Dobson, passed-away at the age of 98 in Burbank, California. For other people with the same name, see, SB & F: Volume 43, Issues 5-6, page 231, American Association for the Advancement of Science 2007, Jack Hitt, Bunch of Amateurs: A Search for the American Character, Crown/Archetype - 2012, pages 231-234, Antony Cooke, Visual Astronomy Under Dark Skies: A New Approach to Observing Deep Space, Springer Science & Business Media - 2006, page 156, Neil English, Classic Telescopes: A Guide to Collecting, Restoring, and Using Telescopes of Yesteryear, Springer Science & Business Media - 2012, page 127, James Mullaney, A Buyer's and User's Guide to Astronomical Telescopes and Binocular, page 38, John Dobson: Amateur Astronomy's Revolutionary, "Pied Piper of Astronomy to present program: John Dobson to be honored by Crater Lake Institute for public service", "John Dobson dies at 98; former monk developed easy-to-make telescope", "Innovator Profile: John Dobson, Reprint of NY Times story", "Phoebe Waterman Haas Public Observatory", “John Lowery Dobson Oral History Interview”, John Dobson honored by Crater Lake Institute for public service, John Dobson Cosmology Lectures Recorded in the mid 1990s available here on The Internet Archive, https://en.wikipedia.org/w/index.php?title=John_Dobson_(amateur_astronomer)&oldid=1018237295, Converts to Hinduism from atheism or agnosticism, University of California, Berkeley alumni, Articles with unsourced statements from May 2012, Wikipedia articles with WORLDCATID identifiers, Creative Commons Attribution-ShareAlike License, This page was last edited on 16 April 2021, at 23:46. Most telescopes of his day were small refracting telescopes or small to modest-sized reflectors with metal tubes and heavy equatorial mounts. Dobsonian telescopes made with good quality are excellent telescopes to own and use. For instance, a telescope was referred to as a "geranium", which is a type of flower. Using this construction method makes the typical Dobsonian telescope large, portable, inexpensive, very stable, and easy to manufacture. He was born in Beijing, China in 1915, where his maternal grandfather had founded … [17], The design is named after Dobson because he is credited for being the first person to have combined all these construction techniques in a single telescope design. He lectured widely on astronomy and cosmology, rejecting the Big Bang Theory for his own Recycling Steady State Theory. Dobsonian Telescope. He would then invite every one to come have a look at the Veil Nebula through his set-up. Dobson was expelled in 1967. This book helped popularize what came to be known as the Dobsonian mount, and treats the "why" as importantly as the "how". They must be spoofing us. My sympathies to the family. His maternal grandfather was the missionary Hiram Harrison Lowry, his mother was a musician, and his father taught zoology at a university. He leaves behind a son, numerous close friends, and fans and admirers worldwide. When John Dobson invented the Dobsonian he wanted the general public to have access to an inexpensive, lightweight, and yet at the same time a large aperture scope. Each telescopes had its own name: Little Bertha, Delphinium, Stellatrope, Little One (an 18-incher).While alt-az mounts were nothing new, Dobson combined cheap materials, large mirrors and a simpler approach to mountings that made his telescope style unique. Simply put, a Dobsonian telescope is a type of large aperture Newtonian telescope design popularised by John Dobson back in the mid 1960s, and from whom it takes its name. In 1944 he attended a lecture by a Vedantan swami. He was 98. Authentic, expressive discussions make groups great, but may also be sensitive and private. Chayapathy Mirle: Dobson was also the co-founder of the amateur astronomical group, the San Francisco Sidewalk Astronomers. His father accepted a teaching position at Lowell High School and taught there until the 1950s. Dobsonian mount; Translations and inventor of the Dobsonian Telescope. It consists of a Newtonian tube assembly riding on a simple, wooden altazimuth base. A Dobsonian can be a Newtonian and vice versa – they are not always mutually exclusive. It was also awarded the runner up prize for mechanics, despite the mechanics of the telescope and its mount being relatively simple. [5][citation needed]. He earned a masters degree in chemistry at the University of California, Berkeley in 1943, working in E. O. Lawrence's lab. 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Up prize for best optics Dead at 98 the cosmos lost a soul. Of California, Berkeley in 1943, working as a teen, shook! Telescopes to own and use those outside the monastery was to reconcile astronomy with the teachings of.! Is credited with inventing this telescope design during the 1960s and much more years.
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