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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.

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

FLI Filterwheels

The CenterLine's unique dual carousel design with central aperture has long been the filter wheel of choice to avoid telescope balance issues. Typically one position in each carousel is empty, providing 8 usable positions.

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Chroma Filter

Optical Filters for Astronomy Applications - made in USA

FLI Cameras

Kepler KL400 FI CMOS Camera: 48 fps with 1.5 e- Noise

Kepler KL400 abs. Quantum Efficiency

Choice of Windows - View Transmissivity Curves KL400 technical dimension

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Associated Links

The Kepler KL400 FI provides high sensitivity, ultra-low noise with high frame rates, all at a game-changing price to performance ratio. The front illuminated version does not have microlenses.

Link to Overview KL camera series in pdf format.

The Kepler Series is a giant step forward in throughput, providing faster digitization, higher speed interfaces, and up to 35 channel readout. Sensors currently supported include front and back illuminated sCMOS. Future developments will include interline transfer CCDs and EMCCDs.

USB3.0 (3 Gbps)
Optional QSFP high speed fiber interface
Optional Electromechanical Shutter for Remote Acquisition of Calibration Frames
Choice of Windows - View Transmissivity Curves (left)
Air Cooling or Liquid Cooling (LC connectors sold separately)
Deep Cooling (up to 45C below ambient)
Optional Anti-Dew Technology (ADT)
Kepler KL400 Operational Modes
Small Footprint (as small as 10.2 x 10.2 x 10.7 cm)
Reaches operating temperatures in 10 minutes

Sensor Type	Front Illuminated CMOS
Sensor	GPixel GSense400FSI
Shutter Type	Rolling
Active Pixels	2048 x 2048
Pixel Size (microns)	11 x 11 µm
Imaging Area (Diagonal)	22.5 X 22.5 mm (31.8 mm)
Full Well Capacity	120000 electrons
Typical Readout Noise	1.5 e-
Dynamic Range	97.7 dB
Frame Rate	48 fps (LDR)
Cooling Method	Air and Liquid (see Note 1)
Max. Cooling (Air)	45°C below ambient
Temperature Stability	0.1°C
Dark Current (typical)	0.015 eps at -20C
Interface	USB 3.0 (Optional QSFP; see Note 2)
Data Bit Depth	16 bit (see Note 3)
Optional shutter	45mm
Optional Mounts	Nikon or Canon
Subarray Readout	Standard
External Trigger In/Out	Standard
SDK / Software	Kepler SDK / FLI Pilot
Weight	3 lbs (1.3 kg)
Note 1: Liquid circulation connectors sold separately. Note 2: QSFP = Quad Small Form factor Pluggable: high speed fiber optic interface Note 3: 16 bit data merged from two 12 bit conversions

Recommended accessories

A versatile combination KL400 with filter wheel and Hubble Filterset

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Front Illuminated Cameras

KL4040FI 4K x 4K 9µ

KL6060 FI 6K x 6K 10µ

Back Illuminated Cameras

kl400 KL4040 250 with shatter KL6060 250

KL400 BI 2K x 2K, 11µ

KL4040 BI 4K x 4K 9µ

KL6060 BI 6K x 6K 10µ

DC23084 4K x 4K 15µ

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.