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10 Micron GM4000HPS Equatorial Mount
10 Micron GM4000HPS Equatorial Mount Weave/Design

10 Micron GM4000HPS Equatorial Mount

Product Number: 10M-4000

Manufacturer: 10 Micron Astro Technology
Please inquire for availability. Delivery times are dependent on 10Micron production schedules and pre-production sales.  Arrangements can be made to take a deposit on the mount at the time of order rather than paying the full amount, depending on the predicted availability of the mount at the time of order.  We cannot sell 10Micron products to customers outside of the US.

The 10 Micron GM4000-HPS is ordered a la carte starting from a basic package as follows:

Payment by check or money order only.
Specialized Dovetail Clamps

44 lbs (20 kg) Counterwieghts

Non-Leveling Pier Adapter

Baader Leveling Pier Plate

Power Supply
Use of a power supply other than the one(s) supplied by 10Micron will void the 2-year warranty on the electronics if a power supply malfunction results in damage to the mount electronics.

10 Micron GPS Reciever

Dovetails (Undrilled)

Cold Temperature Option

PinPoint Astrometric Engine

BackyardEOS Premium Edition

BackyardNIKON Premium Edition

Sequence Generator Pro

Second Saddle

Payment Options
Please select whether you are paying the full amount or a 30% deposit. If choosing the deposit option, then enter the promotion code "DEPOSIT" at checkout and check out with only the products and options on this page. Because of the charges from the credit card companies, this option cannot be changed after checking out. If paying a deposit, the remainder will be due before the mount ships from the manufacturer.

Price: $27,857.00
264 lbs (120 kg) without accessories
330 lbs (150 kg)
23° - 70°
60mm diameter, stainless steel, weight 29 lbs (13 kg)
RA - 50mm diameter, alloy steel
DEC - 80mm diameter, alloy steel
Pre-loaded tapered roller bearings
RA - 430 teeth, 330 mm diameter, B14 bronze
DEC - 315 teeth, 244 mm diameter, B14 bronze
Diameter 32mm, tempered allow steel, ground and lapped
Backlash-free system with timing belt and automatic backlash recovery
AC servo brushless
24 VDC
Approx. 1.5A at sidereal speed
Approx. 5A at maximum speed
Adjustable from 2°/sec. to 5°/sec. (4°/sec. in RA)
< 15" with internal 25-star software mapping
Approx. 1" typical for 15 minutes
Approx. 0.6" RMS with internal 25-star software mapping and compensation of flexure and polar alignment errors
+/- 30° past meridian in RA (software)
+/- 45° past meridian in RA (mechanical)
+/- 170° interval in DEC (software)
+/- 172.5° interval in DEC (mechanical)
RS-232 port, GPS port, autoguide ST-4 protocol port, Ethernet port
Stars: by name, Bayer designation, Flamsteed designation, Bright Star Catalog, SAO, HIP, HD, PPM, ADS, GCVS.
Deep-Sky: M, NGC, IC, PGC, UGC limited to mv = 16.
Solar System: Sun, Moon, planets, asteroids, comets, artificial satellites.
Equatorial and altazimuth coordinates
User defined objects, fast slewing positions.
User defined mount parking position, 2-stars, 3-stars alignment function, up to 25 alignment stars for modeling, correction of polar alignment and orthogonality errors, estimate of average pointing error, storage of multiple pointing models, sidereal, solar and lunar tracking speed adjustable on both axes, declination-based autoguide speed correction, adjustable horizon height limit, pointing and tracking past meridian, assisted balance adjustment, manual or GPS based time and coordinates setting, dome control via RS-232, configurable atmospheric refraction, network settings, comets and asteroids filter, multi-language interface, remote assistance via internet connection.
Remote control via RS-232 or Ethernet; proprietary ASCOM driver or Meade compatible protocol; update of firmware and orbital elements of comets, asteroids and artificial satellites via RS-232 or Ethernet; virtual control panel via RS-232 or Ethernet; optional Wi-Fi.

additional features included:

  • Satellite pointing and precise tracking with "learning function"
  • Dual axis tracking (for simultaneous tracking both axes compensating for refraction, drift and flexure)
  • Follow objects routine (for non-stellar object tracking)
  • Automatic meridian flip / alternative meridian security lock
  • Electronic balancing
  • Up to 25 stars per alignment model - for precise modeling
  • Up to 10 pointing model database recall
  • GPS automatic data setting reader
  • Software assist for precise polar alignment
  • Refraction, humidity and air pressure correction
  • Visible objects filter for Satellites, Comets and Asteroids
  • Upgradeable database for Satellites, Comets and Asteroids
  • Multi language database
  • ASCOM compatible via LX200 or AP protocols
  • Baader Domes control implemented
  • Virtual Keypad by 10Micron for remote mount control via customer PC
  • Remote diagnostics assist option - for remote assistance and remote readout of all mount parameters


A payment in full or a 30% deposit is required to place an order for a GM4000HPS from 10Micron.  The balance due on the order is required prior to shipment of the product to the customer.  Shipping costs will also be quoted and must be paid prior to shipment of the product to the customer.

If choosing the 30% deposit option, please check out with only the product and options from this page.  If you are purchasing other items, please check those items out in a separate purchase.


Typical delivery times range up to 6 months depending on availability, production schedules and pre-production sales.  An anticipated delivery time will be quoted after the order is placed.  

Order Cancellation

Orders that are canceled prior to shipment of the product from Italy to the US (if the item is not in stock in the US) are subject to a 5% cancellation fee to be withheld from the deposit.  Orders cancelled after the product has left Italy (if the item(s) is not in stock in the US) are subject to a 25% cancellation fee to be withheld from the deposit.  Cancellation of orders for products that are in stock in the US may be subject to a 5% cancellation fee at the discretion of Deep Space Products.

Deposits will be returned within 28 business days of the date 10 Micron was notified of the cancellation.


10 Micron products are warranted against defects in materials or workmanship by the original manufacturer for a period of 2 years for electronic parts and 2 years for mechanical parts.  The 10 Micron warranty covers only defects that result from normal use of the product.  Damage to the mounting or accessories caused by modification, misuse, or rough handling are not covered under warranty.  Furthermore, any damage to electronic components due to plugging or unplugging while powered on are also not covered.

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