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  #1  
Old 05-01-2017, 12:00 PM
Astromelb
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Join Date: Jan 2008
Location: Melbourne
Posts: 379
Mountain instruments mi250 goto equatorial mount

FOR SALE - MOUNTAIN INSTRUMENTS MI250 GOTO EQUATORIAL MOUNT

This mount is in excellent condition and always housed in an observatory by it's previous owner to muyself - and in my own Sirius obsy when I was briefly using it - then in my lounge with a large Officina Stellare Mak mounted on it for just under the last four years.

The measured Peak to Peak PE of +-3 arc sec applies for this mount using pempo (that is without PEC enabled).

Comes with Gemini Goto System with Level 4 eproms.

Has twice the imaging payload of a G-11.

Polar Assembly
Up to 70 pound imaging payload capacity
Easy 5 minute set up time
7.5" RA drive
Matching precision ground worm
Conical shape for maximum rigidity
Conical polar axis
Major polar axis bearing-3.74" diameter
Variable friction slip clutch
Beautiful powder coated and black anodized finish
Redesigned altitude and azimuth adjustments!
Total RA (conical section) weight-38 pounds
German Declination Assembly
Conical shape
7.5" RA drive
Matching precision ground worm
3.74" major bearing
Easily secures onto polar base in less than 2 minutes
30 pounds total-. (not including c.w.'s or shaft)
Isolated and removable counter weight shaft
20 pound counter weight (2 ea)
Same attractive powder coated and anodized aluminum as polar base
Deluxe saddle plate standard-Accepts all Losmandy, AP, and Cassidy male dovetail plates
Comes with Gemini goto system with level 4 eproms

Purchased from another IIS member four years ago and been sitting in my lounge for the last three years since I upgraded to an ASA Astrosysteme DDM85 Direct Drive mount three months after buying this unit.

This is a used unit from my personal telescope collection and is being sold as I need to clear space in my collection as I am literally drowning in telescopes. This is a private sale of a mount from my personal collection.

Pick up from Bentleigh, Melbourne only

Thanks for looking
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Last edited by Astromelb; 22-01-2017 at 08:34 AM.
  #2  
Old 06-01-2017, 09:34 AM
SpaceTas (Stefan)
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Join Date: Jul 2010
Location: Hobart Tasmania
Posts: 31
Year and rocker

What year was this particular mount built? Is it post 2010 where access to the gears is easy?

Mountain Instruments no longer exists.
Do you have any idea how to get a different rocker for those outside the latitude range 30 to 40 deg?

Is the field pier available/included ?
  #3  
Old 12-01-2017, 04:17 PM
muletopia's Avatar
muletopia (Chris)
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Join Date: Mar 2014
Location: Pittsworth QLD
Posts: 481
pm

pm sent re mount
 

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