Quierschieder Weg 38, 66280 Sulzbach anfrage@apm-telescopes.de

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.

UVEX Spectrograph

Uvex Spectrograph

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

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

ASA Telescopes

ASA UWF300 f1.3 + DDM100 + wedge

 ASA UWF300 f1.3 + DDM100 + wedge

One of the fastest telescopes of the world!

The UWF300_1 package combines the highly-corrected 300mm f1.3 UWF OTA with our outstanding DDM100 mount. This groundbreaking optical design is ideal for short exposure, high SNR wide field surveys.
The main mirror works with absolute encoder feedback and can be collimated fully electronic for an easy and fast remote collimation.
The DDM100 direct-drive mount is a precision platform ready for fully automated imaging.

UWF300 Optical Layout

 

UWF300 Optical Layout

The UWF300 uses a prime focus configuration. The main mirror is a high order asphere and in the prime focus we use a 5 Lens corrector to correct any field aberrations in a wavelength range from 400nm to 700nm.

With the ultra short focal length and wide field it is the ideal telescope for fast sky surveys searching for brighter objects. The resolution with modern small pixel CMOS is nevertheless surprisingly high even with such a short focal length. It can also be arranged in arrays on our DDM mounts.

==> See full UWF300 Report !

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  Main Facts

Optical design
Ultra Wide Field, prime corrector
 
Focal length
390mm
 
Clear Aperture / Focal Ratio Primary Mirror
300mm (11.8 inch) / f1.3
 
Mirror material
Fused silica
 
Surface quality
>80 strehl
 
Coating
Al+SiO2 >96%
 
Weight tube
30kg (66lbs) (no camera or filter)
 
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
51%
 
Focal ratio system
f1.3
 
Image field
52mm (7.58 degrees)
 
Image Quality FWHM
<7um RMS
 
Microroughness
1.3nm RMS / <0.7nm Ra
 
Back Focus from flange
25.14mm
 
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
 

 

 

 ASA UWF300 f1.3

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.
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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.
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Technologie
Our mounts are manufactured with the lastest CNC technology.
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Software
Platform independent control software.
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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.

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Contact Us
Feel free to contact us if you have any questions

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APM Telescopes
Quierschieder Weg 38
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GERMANY

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E-Mail: info@apm-telescopes.de
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