page_title: Proctor (Martian crater)
hierarchical_section_title: Proctor (Martian crater)
caption_attribution_description: English: Proctor crater on Mars. Mosaic of two Viking 1 images from camera A (094A45, 094A47). Clear filter was used for these images. Resolution is about 237 m/pixel. North is in upper right. Both images were despeckled prior to mosaicing. Statistics below are for the right image: Emission Angle: 27.1 Incidence Angle: 78.6 Latitude: -46.0 Longitude: 337.0 Phase Angle: 82.1
context_page_description: Proctor is a large crater in the Noachis quadrangle of Mars. It measures 168.2 kilometres in diameter and was named after Richard A. Proctor, a British astronomer.
context_section_description: Proctor is a large crater in the Noachis quadrangle of Mars.  It measures 168.2 kilometres (104.5 miles) in diameter and was named after Richard A. Proctor, a British astronomer (1837–1888).
caption: Viking Orbiter 1 mosaic
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