Mars with adaptive optics

Imagine Optic is proud to share this image of the planet Mars (high resolution) acquired at Pic Du Midi with the 1 meter diameter telescope “T1M.” We used an adaptive optic system “CIAO” to get rid of the telescope’s static aberrations and some of the turbulence created by the atmosphere.

The CIAO system was set at the Nasmith focal plane between the telescope and the scientific camera. The Shack-Hartmann wavefront sensor is modified in order to allow the measurement of the wavefront without any guide star. The planet itself is used to measure the wavefront. The deformable mirror is based on 40 piezoelectric actuators.

The air turbulence residuals are removed by the “Lucky Imaging” Technique. It’s interesting to compare this image to a Hubble Space Telescope image acquired in 2003.

#AdaptiveOptics #WavefrontSensing #Optics
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