File:Curiosity first space selfie (raw image).jpg
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English: The raw image of the first ever space selfie on another planet.[1][2] Curiosity rover took this image by extending and maneuvering its robotics arm and turning the Mars Hand Lens Imager (MAHLI) camera around to take its head shot,[3][4] which is said to be an authentic selfie.[5] The image was acquired while MAHLI's clear dust cover was closed.
The original raw image was cropped by user:Z22 to remove the black edges. No other rotation, adjustment or correction done to minimize alteration to this historical image.
NASA's Mars rover Curiosity acquired this image using its Mars Hand Lens Imager (MAHLI), located on the turret at the end of the rover's robotic arm, on September 8, 2012, Sol 32 of the Mars Science Laboratory Mission, at 00:44:16 UTC. When this image was obtained, the focus motor count position was 4404. This number indicates the internal position of the MAHLI lens at the time the image was acquired. This count also tells whether the dust cover was open or closed. Values between 0 and 6000 mean the dust cover was closed; values between 12500 and 16000 occur when the cover is open. For close-up images, the motor count can in some cases be used to estimate the distance between the MAHLI lens and target. For example, in-focus images obtained with the dust cover open for which the lens was 2.5 cm from the target have a motor count near 15270. If the lens is 5 cm from the target, the motor count is near 14360; if 7 cm, 13980; 10 cm, 13635; 15 cm, 13325; 20 cm, 13155; 25 cm, 13050; 30 cm, 12970. These correspond to image scales, in micrometers per pixel, of about 16, 25, 32, 42, 60, 77, 95, and 113. Most images acquired by MAHLI in daylight use the sun as an illumination source. However, in some cases, MAHLI's two groups of white light LEDs and one group of longwave ultraviolet (UV) LEDs might be used to illuminate targets. When Curiosity acquired this image, the group 1 white light LEDs were off, the group 2 white light LEDs were off, and the ultraviolet (UV) LEDS were off. |
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| Date | Taken on 8 September 2012, 00:44:16 | ||
| Source | http://mars.jpl.nasa.gov/msl/multimedia/raw/?rawid=0032MH0243000000C0_DXXX&s=32 (image link) | ||
| Author | NASA/JPL-Caltech/Malin Space Science Systems | ||
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This image or video was catalogued by Jet Propulsion Laboratory of the United States National Aeronautics and Space Administration (NASA) under Photo ID: PIA16149 and Alternate ID: 0032MH0243000000C0_DXXX. This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing. Other languages:
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) |  |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 17:06, 1 January 2014 | | 1,604 × 1,196 (659 KB) | Z22 (talk | contribs) | User created page with UploadWizard |
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