Lodestar Autoguider

Major features:


A sensitive USB2.0 guide camera in a miniature package. Exview CCD with 752 x 580 pixels, USB powered, Opto-Isolated control outputs.

Lodestar autoguider

Response

 

Lodestar Autoguider

 

Specifications:

  • CCD type: ICX429AL Sony Exview interline CCD with low dark current and vertical anti-blooming.
  • CCD Full resolution Pixel data: Pixel size: 8.2uM x 8.4uM, Image format: 752 x 580 pixels
  • CCD Image area: 6.4mm (Horizontal) x 4.75mm (Vertical).
  • CCD quality: Grade 1
  • Spectral Response: QE max at 620nM (~65%), 35% at 400nM and 770nM. 
  • Readout Noise: Less than 15 electrons RMS - typically only 10 electrons. 
  • Full-well capacity: Greater than 50,000 e- (unbinned)
  • Anti-blooming: Overload margin greater than 1000x.
  • Dark current: Dark frame saturation time greater than 1 hour. Less than 0.1 electrons/second @ + 10C ambient.
  • Data format: 16 bits.
  • System gain:  0.9 electrons per ADU
  • Computer Interface: Built-in USB 2.0 compatible interface. 
  • Image download time: Typically 0.2 seconds at full resolution using USB 2.0.
  • Power requirements: USB powered.
  • Cooling system: Ambient air cooling.
  • Size: 32 x 72mm black anodised aluminium barrel with 25 x 0.75mm 'CS mount' thread at the CCD window end & input/output plugs at rear. Back focal distance 12.5mm.
  • Weight: approx. 50g.

 

Lodestar Autoguider

 

Although the Lodestar is primarily intended as a high performance guider, it makes a superb electronic finder and planetary imaging camera! Here are some sample images from Maurice Gavin:

Centaur Eris at mag. 18.75 - a remarkable achievement!