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White Light Sun / ASI120MM Sensor Comparison

This White Light Sun was captured on the 76mm Celestron Firstscope. At 300mm focal length, the Sun fits nicely on the sensor of the ASI120MM camera. On the non-tracking scope, I can catch about 3000 frames as the Sun or Moon drifts across the long side of the sensor. This grid showing the actual size of the sensor in comparison to the Sun disc shows how small and fine the details are that the ASI120 captures - just fractions of a millimetre! - 08-09-17