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The Bruce Murray Space Image Library

Viking Sunset

Filed under pretty pictures, amateur image processing, the Sun, NASA Mars missions before 1996, Mars

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Viking Sunset Viking 1 lander image of a martian sunset over Chryse Planitia. In this image the sun is 2 degrees below the local horizon. The banding in the sky is an artifact produced by the incremental brightness levels of the camera. This image was taken on the sol 30, at 19:13 local time (10:40:31 on 20 August 1976 (UTC)). The camera is pointing towards the southwest.

NASA / JPL / Roel van der Hoorn

Via Wikipedia

I used the original 12a240.blu, 12a240.grn and images from the NASA Viking image archive, converted them to .png, manually removed the noise, merged them into one image (almost matching true color; see here for the channel mixing process) and finally increased the brightness with 35.

Original image data dated on or about August 20, 1976.

Most NASA images are in the public domain. Reuse of this image is governed by NASA's image use policy.


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