The planet Mercury

Mercury is difficult to shoot : when it becomes visible, it is always very low on the horizon, and the chromatic aberration, because of the atmosphere, is important.

Theses pictures have been taken before the sunset, in order to minimize this aberration.

mercure
mercure
28th of March 2004.
Image taken at the focus of the C8 with a ToucamPro webcam and a 2x barlow.
70 shots stacked by Registax 2.0.
The picture on the right has been taken with a red filter.