• The Haggart Observatory Telescopes

    Big Telescope

    24" Newtonian Reflector 

    The tower dome houses our 24" (f/4.8) Newtonian reflector. This is our biggest "light bucket" telescope and provides beautiful views of dim deep-space objects such as galaxies, nebulae and globular clusters.

    The telescope was built by Steven Swayze of Portland. The tube sections are made from laminated hardwood and are connected by square-section aluminum trusses. The 500-pound tube assembly rests in a Dobsonian-style mount riding on Teflon "O" pads which allows full movement using only hand pressure.

    The mount sits on a motor-driven, nested-cone equatorial table which allows tracking of objects for up to 45 minutes without adjustment. The equatorial table was designed and fabricated by the Danziger Telescope Group in Santa Fe, Texas.

    A 6" reflector is mounted on and aligned with the main telescope.  The refractor often gives us our sharpest images of bright objects such as planets and binary stars.

     

    Blue Telescope

    13" Dobsonian Reflector

    For objects high in the sky, we use a 13" Dobsonian reflector - also a good-sized "light bucket" - on the tower deck. "Big Blue" is on loan to us from the CCC Science Department.

     Both telescopes are aimed by means of a telrad, which provides a bulls-eye with a dimmer switch for targeting objects. The telrad does not magnify; the operator has to be able either to spot the target object naked-eye to home in on it, or "star-hop" to it. Both are also equipped with finder scopes at 9x magnification.

     The Observatory also has 11x80 astronomical binoculars which we use on the tower deck for viewing objects such as open clusters, which require low power and a wide field of view.

     

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Date: 11/4/2014  Time: 8:00 AM
Location: McLoughlin Auditorium (M121)
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