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This Page Updated
21st October 2016


Starlight Xpress CoStar
CMOS (Stand-alone) Autoguider
Starlight Xpress CoStar image #1 Starlight Xpress CoStar image #2
The CoStar is the latest miniature Autoguider from those innovative guys at Starlight Xpress. Only 45g (1.5oz), this is the lightest dedicated autoguider on the market but believe me it can really punch well above its weight and all in a package no bigger than your thumb. Too good to be true? Not anymore!
Big things can come in small packages and the CoStar from Starlight Xpress really is no exception.
• Only 1Ό” in diameter allows this to drop neatly into your 1Ό” eyepiece holder - no additional adaptors required.

• Large area (6.78mm x 5.32mm) giving you a wide field of view to find a suitable guide star.

• Sensitive 55% Quantum Efficiency – sensitivity is everything.

• ‘Built-in’ Autoguider Port – no need to run extra cables from your computer to control your mount corrections.

• Powered by the USB of your computer so no need to carry and extra power supply with you – one less thing to forget when you are on your way to the Star Party.

• Compact and solid aluminium construction
• Imager type: Aptina MT9M001 mono CMOS chip with low dark current and anti-blooming.

• Full resolution Pixel data: Pixel size: 5.2uM x 5.2uM, Image format: 1304 x 1024 pixels

• Image area: 6.66mm (Horizontal) x 5.32mm (Vertical).

• Spectral Response: QE max at 620nM (~55%), 35% at 400nM and 770nM.

• Readout Noise: Less than 40 electrons RMS - typically only 20 electrons.

• Anti-blooming: Overload margin greater than 1000x.

• Dark current: Dark frame saturation time greater than 10 minutes. Less than 1 electrons/second @ + 10C ambient.

• Data format: 10 bits.

• Computer Interface: Built-in USB 2.0 compatible interface.

• Image download time: Typically 0.1 seconds at full resolution using USB 2.0.

• Power requirements: USB powered.

• Cooling system: Ambient air cooling.

• Size: 32 x 60mm black anodised aluminium barrel with 25 x 0.75mm 'C mount' thread at the CCD window end & input/output plugs at rear.

• Weight: approx. 45g.




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