Thirty-four Observations—One Map

Mars Map
Sketch and Details by Fred Corno

Date: blend of 34 observations from 2003, 2005 and 2007
Telescopes used: Vixen VMC 200L and Taka FS 128

The attached map represents the blend of 34 observations collected over 4 years. In order to correctly position features depicted in the various sketches made during the observations, reference coordinates grids were made and superimposed to the original drawing, then features were reported on a Lambert projection grid of the whole planet according to reference coordinates.
Original sketches were made marking on a 54 mm blank circular shape color density areas at the eyepiece, then refining with graphite pencil and colored pastels, after the observing session, and blending tones with an artist stump.
Present drawing was made with colored pastels.

Best regards

Fred