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APM Professional Telescopes

APM Professional Telescopes

1m F/8 Ritchey Chrétien with dual Nasmyth Foci, Cape Town (South Africa)

Another large telescope for the South African Astronomical Observatory (SAAO). An 1m F/8 Alt-Az mounted Ritchey Chrétien for robotic use. It has dual Nasmyth Foci. The main telescopes used for research are located at the SAAO observing station (32°22.795’S 20°48,657’E) near Sutherland in the Northern Cape, a 4-hour drive from Cape Town.

Astronomy is our job

Observatory Telescopes

Big prime focus telescopes for private or public observatories including installation and full service.

Robotic / Remote

Robotic instruments for automatic imaging or telescopes for remote observation.

ASA Telescopes

ASA600 with DDM200

ASA600 OTA is the perfect fit for the ASA direct drive mounts with absolute encoders. As all ASA telescopes the ASA600 is equipped with quartz glass optics from ASA.

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Product enquiries

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Please make your enquiries about the products you require here. We will contact you as soon as possible with a customised quote.

Sirius Domes

Sirius Observatories - 3.5 m - School-Modell, with/without walls

Sirius Dome 3.5 Meter

Optional acc.

  • Sirius Observatories - Mains battery charger 110v-240v to 12v Single or double, 3.5m Dome
  • Sirius Observatories - High Wind Kit, 3.5m Dome
  • Sirius Observatories - Storage Locker for model School, 3.5m Dome
  • Sirius Observatories - Day and Night Solar Vent for 3.5m Dome
  • Sirius Observatories - Day and Night Solar Vent for 3.5m Dome
  • Sirius Observatories - Kit of motorization for dome Rotation 3.5m
  • Sirius Observatories - Motorization (shutter operation), 3.5m Dome with MAXDome

School-Modell, 3.5m,  with or without solid wall

The School model with a diameter of 3.5m sufficient place for instruments with an opening of up to 600mm.
This dome size is suitable for Newton telescopes, SC telescopes (like the LX200GPS 16 ") or a RC-telescope with 500mm opening on an equatorial Mount.
The School Model is for associations and schools, up to 9 persons.
The Model is not motorised, motorisation for dome rotation and/or shutters is optional available.

Delivered with order:
• Observatory with or w/o walls, Race and attachment ring for existing foundation. 

Total Height: 

3.25m / 10′ 6″

Wall Height (*): 

1.5m / 5′ 0″

Diameter: 

3.5m / 11′ 6″

Door Size: 

1/15m h x 1.0m w / 3′ 6″ x 3′ 3″

Aperture Width: 

1.0m / 3′ 3″

Open Past Zenith:

400mm / 1′ 3″

 (*) two models - with or without wall

DPU DP Pair1Telescope Dome/Enclosure Control & Automation

The DomeProU is born from the experience of installing our DomePro (first in 2006) and DomePro2 products on hundreds of domes by Ash Manufacturing and others.

DomeProU provides fully automated control of all types of telescope enclosures including: classic domes, clamshell domes and roll-off roof enclosures.

More about: Dome Control

 

 

Dome and Shutter Operation


OPTIONS:

  • Easy to use, hand-operated dome rotation and shutter operation (Home and School Models).
  • Motorised dome rotation and/or shutter operation (standard on 5.0m and 6.7m models).
  • Computer-driven dome rotation and/or shutter operation (must have motorised option). The MaxDome II circuit boards and software program are supported by the manufacturer, Diffraction Ltd (Cyanogen).


FEATURES

  • The pendant hand controller supplied with the motorised option can be operated anywhere inside the observatory.
  • The motorised dome rotation can be run in a clockwise or anti-clockwise direction.
  • Motorised dome rotation can be retrofitted at any time, but the shutter motorisation is more complex and best performed in the factory before shipping.
  • Upper Shutter: The Home Model uses a rope and pulley shutter opening system, and the School Model utilises a hand winding mechanism.
  • Lower Shutter: The Home Model has a hinged, metal framework raised and lowered by pulling on a metal bar, while the School Model uses a rope and chain system.

gallery s1Storage Recesses - 3.5m model ONLY

  • Wall panels can be substituted with a panel containing a locker recess which can be used for storing books or placing a computer.
  • There is no limit to the number of wall panels that can be exchanged for locker panels.
  • 3.5m School Model - 1 door panel plus 7 panels (wall or locker)

Max Dome II Computerised Dome Rotation and Shutter Operation

The MaxDome software and controller card enable remote control of the observatory dome rotation and shutter operation. The control cards are installed inside the motor boxes. MaxDome software enables the shutter aperture to be "slaved" to the telescope position. Hence, the dome rotates to the telescope's position following a slew and then tracks along with the telescope.

High wind kit

Additional hardware included with the High Wind Kit:

  • 2 x dome tie-down plates
  • 2 x wall tie-down plates
  • 2 x stainless steel rigging screws (turnbuckles)

Solar Panel - 5 watt

A solar panel is supplied with the motorised dome rotation option and the motorised shutter option. The solar panel can be placed on any wall panel, depending on the observatory's orientation (consider the position of the door and the sun). The shutter motor solar panel is positioned on the dome.

  • Silicone Solar PV Module
  • Pmax - 5W
  • Vmp - 16.8V
  • Imp - 0.29A
  • Voc - 21V
  • Ics - 0.32A
  • Max system voltage - 600V
  • Size - 395x161x18mm

Day and Night Solar Vent
The solar vent is installed near the top of the dome and functions to circulate up to 700 cubic feet of fresh air per hour. The solar panel cells recharge the Ni Cadmium battery for 24-hour operation. A high-capacity battery operates the fan for 48 hours without sunlight. No wiring is required.

ashley marles nz 3 5 m sirius dome 17 oct 2015 m 14118055Packaging and Palletting
All observatories are assembled and tested in the factory before shipping. Depending on the destination and the shipping option, the observatories are packed either on an open pallet or crated and boxed, eg: for export in a container.

Mains Battery Charger
A 12v battery powers the dome rotation and shutter operation motors. The motor units are attached to the internal walls - the dome rotation box on the wall panel and the shutter operation box on the dome itself. The 12v battery in each of these motor boxes is charged by a solar panel, one on the outside of the wall corresponding to the position of the inside battery box and the other on the dome corresponding to the shutter battery.

An alternative source of charging the batteries is via a 110-220v mains battery charger, which can be installed within the existing dome rotation motor box and connected to 110-220v mains power. This unit can also be connected to the shutter battery box (on the dome) via a self-disconnected plug and is used to charge the shutter battery when the dome is not in use and, therefore, not rotating. If the dome is rotated whilst the shutter battery charging lead is connected, the plug is designed to pull part without causing any damage.

It must be remembered that neither of the charging units, i.e. solar panel or 110-220v charger, are designed to charge a flat battery. They are designed to keep a battery topped up.

Mains battery charger 110-220v, Single - used for motorised dome rotation only
Mains battery charger 110-220v, Double - used for motorised dome rotation and shutter operation

Specifications:

  • 110 - 240 VAC
  • 50 m - 60 Hz
  • Max 0.25A

Output:

  • 13.2 VDC
  • 750 mA
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APM Professional Telescopes

1m F/8 Ritchey Chrétien with dual Nasmyth Foci, Cape Town (South Africa)

Another large telescope for the South African Astronomical Observatory (SAAO). An 1m F/8 Alt-Az mounted Ritchey Chrétien for robotic use. It has dual Nasmyth Foci. The main telescopes used for research are located at the SAAO observing station (32°22.795’S 20°48,657’E) near Sutherland in the Northern Cape, a 4-hour drive from Cape Town.

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