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A Robotic Telescopic Model PowerPoint Presentation

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On : Aug 07, 2014

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  • Slide 1 - Building the Sonoma State University Robotic Telescope Gordon G. Spear Department of Physics and Astronomy Sonoma State University
  • Slide 2 - I am here to represent... Those people who want to build a robotic telescope Those people who have a telescope and want to make it robotic Those people who we want to participate in a scalable and sustainable automated telescope network
  • Slide 3 - What is a robotic telescope? A robotic telescope consists of a computer controlled telescope and CCD camera with an integrated control system. A robotic telescope must be scriptable so that a sequence of observations can be automated.
  • Slide 4 - Scriptable telescope mount Point to arbitrary RA and DEC to within a few arcminutes. Track to within a few arcseconds for up to several minutes. Avoid wrapping cables around mount. Successfully move through “trouble spots” on the sky. meridian, zenith, pole Know the horizon limits for the mount. Always capable of moving to a safe home position.
  • Slide 5 - Scriptable CCD camera Control camera settings including exposure time including camera temperature Control position of filter wheel Save images for later recovery Take dark frames Take flat field frames
  • Slide 6 - Further capabilities required for a robotic telescope system Power on/off Open/close roof and/or adjust dome Verify focus Synchronize telescope with sky Verify field and/or adjust telescope pointing Generate log of all saved images
  • Slide 7 - Proposed categories for robotic telescopes Manual Telescope (MT) Computer Controlled Telescope (CT) Robotic Telescope (RT) manual mode (RT-M) remote accessibility (RT-R) real time interactivity (RT-I) autonomous (RT-A)
  • Slide 8 - Some established robotic telescope systems The Bradford Telescope The University of Iowa Telescope The Fairborn Observatory The Hanna City Robotic Observatory The URSA System (under construction)
  • Slide 9 - The Fairborn Telescope Farm
  • Slide 10 - The Hanna City Robotic Observatory
  • Slide 11 - URSA Undergraduate Research Studies in Astronomy An example of a robotic system that has been built from scratch Claud Lacy, University of Arkansas
  • Slide 12 - The URSA welcome screen The URSA observation request page The URSA observing model http://telescope.uark.edu Active testing will begin fall 2001. Routine use by students will begin sometime in 2002.
  • Slide 13 - How can I get one of these cool robotic telescope systems?
  • Slide 14 - A Robotic Telescopic Model Telescope The Web ?
  • Slide 15 - What should the ideal robotic telescope model provide? Control for telescopes, CCD cameras, and other instrumentation that is scriptable. ASCOM is an excellent example. A universal web interface that is easy to use and to understand. RTML is an excellent example. A central engine for accepting requests, establishing priorities, scheduling observations, archiving data, and advising users of completed observations.
  • Slide 16 - ? Central Controller observing list observing log DATA to happy observer data archive camera commands telescope commands TELESCOPE CAMERA data
  • Slide 17 - What are the available options for building a robotic telescope? Hire a commercial engineering firm. Purchase an off-the-shelf system. Upgrade an existing system using interoperable components. Build a new system independently from scratch.
  • Slide 18 - Some possible commercial sources for robotic telescopes Optical Guidance Systems (OGS) Software Bisque Meade (?) Celestron (??)
  • Slide 19 - Possible resources for building robotic telescopes Software Bisque Comsoft (PC-TCS) DC-3 Dreams (Astronomer’s Control Program) ASCOM ATIS Jeff Medkiff’s robotic astronomy site RTML The Robotic Telescope Resource Site at SSUO this conference
  • Slide 20 - The SSU Observatory and its Telescopes So, where is the SSU observatory anyway?
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  • Slide 26 - The Epoch Telescope
  • Slide 27 - The ST-7 CCD camera on the Epoch telescope
  • Slide 28 - Close-up of the ST-7
  • Slide 29 - The C14 telescope ...and some computers
  • Slide 30 - In the command seat for the Epoch telescope... This is currently where the “robot” that makes everything happen must sit.
  • Slide 31 - Science at SSUO Active Galactic Nuclei (AGNs) Eclipsing Binaries (EBs) Galactic Anti-Center Variable Star Survey (GACVSS) Photometric Detection/Confirmation of Extrasolar Planets
  • Slide 32 - The Epoch Telescope at SSU 10-inch f/5 Newtonian Fork mount with DC servo motors Friction roller drive Up to 60 watts per axis Slew speed about 6° per second Points to within 1-3 minutes of arc Tracks unguided for up to 5 minutes
  • Slide 33 - The Epoch Telescope Software Servostar Runs under DOS Convenient user interface screen Internal database plus planets Enter RA and DEC Resync, Slew, Guide, etc. Drivers available for UNIX Source code currently unavailable!
  • Slide 34 - The future of Epoch… (Information provided by Kevin Medlock.) Servostar is about to be rewritten for Windows. The code will be made available as open source. The designs for the servo motor controller boards will be made freely available. Upgraded versions of the controller boards for up to 200 watts per axis will also be available. Controller boards will be available for purchase at modest cost. The future looks bright!
  • Slide 35 - All we need now is the money and we will build one of those cool robotic telescope systems!
  • Slide 36 - More Information An online version of this presentation plus more detailed information is available from the Robotic Telescope Resource Resource Site. http://phys-astro.sonoma.edu/observatory/roboscope This website contains URLs and direct links to all the resources mentioned in this presentation. This website will be maintained to reflect current developments for robotic telescope systems. spear@sonoma.edu

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