Keywords: Mars Viking 12f203.png Viking 1 lander image of Chryse Planitia with trenches made by the sampler arm Own work based on images in the http //pdsimg jpl nasa gov/data/vl1_vl2-m-lcs-2-edr-v1 0/vl_0001/ NASA Viking image archive 2009-01-29; original photos were taken 1976-08-20 Roel van der Hoorn Van der Hoorn I used the original http //pdsimg jpl nasa gov/data/vl1_vl2-m-lcs-2-edr-v1 0/vl_0001/f2xx/12f203 blu 12f203 blu http //pdsimg jpl nasa gov/data/vl1_vl2-m-lcs-2-edr-v1 0/vl_0001/f2xx/12f203 grn 12f203 grn and http //pdsimg jpl nasa gov/data/vl1_vl2-m-lcs-2-edr-v1 0/vl_0001/f2xx/12f203 red 12f203 red images from the http //pdsimg jpl nasa gov/data/vl1_vl2-m-lcs-2-edr-v1 0/vl_0001/f2xx/ NASA Viking image archive converted them to png manually removed the noise and merged them into one image almost matching true color; see here for the channel mixing process Except for the conversion this was done in Adobe Photoshop CS2 The original file by NASA is in the public domain and so is this new one I created this image as a replacement for the image Chryse Planitia jpg The quality of this file was not very high Using the original pictures from the Lander archive resulted in a higher quality image Van der Hoorn The image is based on an original image from NASA to which the following copyright statement is applicable PD-USGov-NASA Viking mission Mars landscapes Chryse Planitia |