Eagle Mach 1 Specifications download pdf (Page 5)

• Pier accessory trays: A flat accessory tray with raised sides, a tray with eyepiece holes, and two support bar

options are now available to fit the 6” Eagle Adjustable Folding Pier, some sizes of the 6” Portable Pier and both

tripods. They are handy and attractive places to keep your eyepieces and other astro-gadgets close at hand!

• Autoguiding Accessories: Various imaging and CCD based guiding configurations can take advantage of

the Mach1GTO’s autoguider port. The autoguider port receptacle (RJ-11-6) uses the industry standard SBIG

ST-4 wiring setup.

• PEMPro™: (Periodic Error Management Professional) is a Windows software application that makes it easy to

characterize and reduce periodic error. PEMPro™ will analyze the performance of any mount that is equipped

with a CCD camera and compatible camera control software. PEMPro™ gives you powerful tools to program

your mount's periodic error correction firmware to achieve the best possible performance for your mount.

PEMPro™ dramatically improves guided and unguided imaging resulting in better images and fewer lost

exposures. For more information on PEMPro, see the Servo Motor Drive section later in the manual.

Note on Encoders: Mounted encoders can not be used with the Mach1GTO They are not needed since the go-to

functions of the mount are so much more accurate. The encoder that is built into the servo motor itself has a resolution of

0.05 arc seconds vs. 324 arc seconds for mounted encoders.

For a complete listing of our Mach1GTO accessories, visit our website – www.astro-physics.com

FEATURES AND SPECIFICATIONS

R.A. worm wheel: 5.9” (150 mm) 225 tooth aluminum

Dec. worm wheel: 5.9” (150 mm) 225 tooth aluminum

Worm gear: Brass, 0.709” (18 mm) diameter

R.A. shaft: 2.36” (60 mm) diameter

R.A. Bearings 3.1” (78 mm) diameter

R.A. thrust surface: 4.1” (104 mm) diameter

Dec. shaft: 2.36” (60 mm) diameter

Dec. Bearings 3.1” (78 mm) diameter

Dec. thrust surface: 4.1” (104 mm) diameter

Periodic Error 7 arc seconds, peak-to-peak (+/- 3.5 arc sec) or less guaranteed

Counterweight shaft: 14.5” (368 mm) overall length, 13.6” (345 mm) useable length, 1.125” (29 mm)

diameter, stainless steel, removable with knob and safety washer

Optional Counterweight Shaft 10.7” (272 mm) overall length, 9.625” (244 mm) useable length, 1.875” (48 mm)

diameter, stainless steel, removable – requires One-piece Washerless Safety Stop

(M12676). Stores inside declination axis for travel and uses same weights as 900 and

1200 series mounts.

Latitude range: 0 to 70 degrees with or without polar scope attached

Azimuth adjustment: Approximately 25 degrees (+/- 12.5 deg. from center)

Motors: Zero-cogging servo motors

Power Consumption: 0.4 amps at the sidereal rate

2 amps both motors slewing

Power requirements: 12 VDC, range 11.5 to 16

Weight of mount: Total of Equatorial Head -28.5 lbs. (13.0 kg)

Dec axis - 11.5 lbs. (5.2 kg)

R.A axis - 17.0 lbs. (7.8 kg) (includes integral pier adapter)

Counterweight shaft with washer and knob - 4.1 lbs. (1.9 kg)

Optional 10.7” x 1.875” Counterweight Shaft with Safety Stop – 7.7 lbs. (3.5 kg)

Capacity of Mount: Approximately 45 lbs. (20kg) - telescope and accessories (not including

counterweights), depending on length. Will accommodate Astro-Physics and similar

refractors up to 160mm f7.5, 8” - 11" SCT or 6” – 8” Mak Cas. These are only

guidelines. Some telescopes are long for their weight or very heavy for their size and

will require a larger mount. Note: As weight of scope and accessories increases,

proper balancing becomes more critical. See section on balancing for more

information.

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Eagle Mach 1 Specifications Page 5

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