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Dobsonians
on Platforms
A well-made
Dobsonian telescope is an excellent observing machine. It features
unmatched stability and smoothness of motion. Plus it is eminently
compact and transportable. However, the Dobsonian has one major
drawback -- no motor drive. You have to push it around to follow
what you're viewing. This can get to be a hassle.
But set a Dobsonian
on an Equatorial Platform and experience INSTANT MOTORIZED TRACKING
-- 75 minutes at a time! Wherever you point you are tracking --
smoothly, precisely -- without losing stability, ease of operation
and portability.
A Dobsonian
mounted on an Equatorial Platform becomes the ULTIMATE USER-FRIENDLY
TELESCOPE.
These
Pictures of Dobs on Platforms were taken at various Star Parties.
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| Ron
Klein's 10" Orion Intelliscope on a Compact Platform |
Steve
Swayze's stunning 16" Dob on its Equatorial Platform. Steve and his
brother, Bruce, put a variety of scopes on this Platform. |
Hulan
Fleming's unusual home built 22" Dob on a Dual-axis Platform |
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| Mike
Powers with his fine looking 18" Starmaster on a Compact Platform.
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Corwin
Matthews with his beautiful (and massive) 30" built by Chuck Dethloff.
Corwin has his 350 lb scope on a Dual-axis Aluminum Platform. He has
added a lot of extra "goodies" onto the scope, including an 8" finder,
Sky Commander DSC's (which work very well with Platforms), an eyepiece
rack, a weather station, star charts and more. |
Osypowski's
homebuilt 22" Dob on a Dual-axis Aluminum Platform; Note how the north
end of the Platform is blocked up to account for the 5 degree latitude
change from Tom's home in northern California. This same Platform
is used effectively from southern CA (RTMC) to the middle of Washington
State (TMSP). |
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| Thurman
Miller's fine 20" Dob built by Chuck Dethloff. The scope sits on a
Single-axis Platform. |
Gene
Townsend's 12.5" Portaball
on an Equatorial Platform. Check for Gene's letter on the "Owners
Speak Out" page for his impressions about the Portaball/Platform
combination. |
Rebecca
Gee and her 15" Obsession
on a Dual-axis Equatorial Platform |
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A
12.5" All-aluminum binocular telescope built by Bruce Sayre.
This scope is sitting on a Dual-axis Aluminum Platform.
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Here
is an unusual configuration of a 13" Cassegrain optical system
mounted Dobsonian style and sitting on a Dual-axis Aluminum Platform.
The telescope and optics were made by Richard Wessling. The Platform
is on a low stand to bring the eyepiece (mounted on the yellow mirror
box) up to a convenient observing height. Mr. Wessling says, "This
arrangement works really nicely." |
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Howard
Banich's 20" Obsession
on a Dual-axis Platform. Howard made his own Platform from parts
he purchased from us. Great job, Howard!
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Giving
your big Dob the ability to track the
sky opens up new observing opportunities.
Now it is
a real treat to use HIGHER POWERS. At 500x the Ring Nebula
floats motionless in a velvety black sky - you can really try for
the central star.
LUNAR AND
PLANETARY OBSERVING takes on new meaning. During moments of
super seeing, details can be fully studied and appreciated (Jupiter's
belts or Saturn's ring system, for instance). There are no interruptions,
no need to re-center a drifting planet. Spend all the time you want
to make a drawing - without having to touch the telescope.
Your passion
is ASTRO-IMAGING. No problem with an Equatorial Platform:
your Dobsonian is tracking and camera-ready. This important Platform
application is fully treated on our imaging
page.
DEEP SKY
DRAWING is reaching new levels of excellence and authenticity.
For many observers, recording on paper what they see is a soul-satisfying
activity. Good drawings take time, patience, more time. Here, the
usefulness of an accurate tracking system is obvious.
You like to
share your views at the eyepiece, perhaps bring out the "observer"
in people. I remember one dark night with a group of new viewers
at a star party. We did a fine tour of the September sky. Bright
Globulars, Ring and Dumbell Nebulae, the Andromeda Galaxy. Then
STEPHAN'S QUINTET. I put in 250x and for the next hour those
five faint galaxies hung in the center of the field like tiny ghosts.
Everyone had a chance to really see them, to come to terms with
their remoteness.
E-mail us here!
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