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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.

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.

UVEX Spectrograph

Uvex Spectrograph

The UVEX is a “crossed” Czerny-Turner spectroscope optimized for wavelengths from near UV (<350nm) to near IR (1µm).

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Diffraction Limited CCD Kameras

Aluma CCD 695 a

Our most popular camera, the SBIG Aluma AC4040 is a large format Scientific CMOS camera, featuring a 16.8 megapixel sensor with 9 micron pixels. The camera is compatible with the StarChaser SC-4 Guider and optional AO-X Adaptive Optics accessories.

Diffraction Limited Overview

Astroshell Dome 4.25 m

CLAMSHELL DOMES provide an unparalleled 360/180 degree field of view for an absolutely breathtaking nighttime experience. When this observatory dome opens, you are truly among the stars!

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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.

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ASA RC600 + DDM100 + polar wedge

ASA RC-Tubes are the best!

The RC600_1 package combines the remarkable RC600 OTA with our compact DDM100 mount. The RC600_1 represents the pinnacle of high performance and high-value.

ASA ASA Direct Drive Technology with absolute encoders for high-end applications.

New design based on 15 years of experience with Direct Drive mounts. Ready for the most demanding applications in pointing and tracking accuracy. Satellite tracking with optional software package. Load capacity of 100kg/220lbs on a polar wedge.

==> See details of the DDM100 mount

Main Facts

Optical design
Ritchey-Chrétien RC

Focal length
4200mm

Clear Aperture / Focal Ratio Primary Mirror
600mm (23.6 inch) / f2.5

Mirror material
Fused silica

Weight tube
105kg (231lbs)

Latitude Range
0 to 90 degrees

Software
ASA API (application programming interface) available autumn 2023 ASA Software(Autoslew, Sequence-windows based, ACC) with ASCOM-Alpaca

Pointing Accuracy (20° to 85°)
<8” RMS with pointing model and ASA telescope

System Natural Frequency
10 Hz or greater

Linear central obstruction
40%

Focal ratio system
f7

Image field
100mm (1.36 degrees)

Back Focus from flange
210.38mm

Motor
ASA Direct Drive

Weight mount (without counterweight)
56kg (123lbs)

Max. slew speeds
Up to 50 degrees per second

Tracking Accuracy (20° to 85°)
<0,25” RMS within 5 minutes tracking time over 5 min 0,05” RMS/min

RC & CDK Comparison

==> See Full RC & CDK Comparison

Technical Details

Electronic

Our closed loop direct drive systems, sensor technology and observatory safety modules play a major role in achieving optimum results. All moving accessory components are equipped with high-resolution encoders and closed-loop feedback systems. We provide event timer modules, and customer updatable firmware.

Optic

Only the best for your telescope!

We believe that the most important part in producing optics is the testing. So ASA decided that we invest in the best test equipment available, remove any measuring error as good as possible and use real values in our specifications.

Technologie

Our mounts are manufactured with the lastest CNC technology.

Software

Platform independent control software.

ASA/APM Services
Optional Tests for FAT/SAT	Installation package remote/on-site	Setup and Alignement remote/on-site
Engineering Image Train Package	Alternative mirror coating	Projektconsulting/-management by ASA/APM

ASA Accessories
Remote package pro	Weather station sensor package	All Sky Cam 0201171A

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.