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PIA16714: First Night Image of MAHLI Calibration Target Under Ultraviolet Lights
 Target Name:  Mars
 Is a satellite of:  Sol (our sun)
 Mission:  Mars Science Laboratory (MSL)
 Spacecraft:  Curiosity
 Instrument:  MAHLI
 Product Size:  1604 x 1195 pixels (w x h)
 Produced By:  Malin Space Science Systems
 Full-Res TIFF:  PIA16714.tif (5.752 MB)
 Full-Res JPEG:  PIA16714.jpg (104.3 kB)

Click on the image above to download a moderately sized image in JPEG format (possibly reduced in size from original)

Original Caption Released with Image:

This image of a calibration target illuminated by ultraviolet LEDs (light emitting diodes) is part of the first set of nighttime images taken by the Mars Hand Lens Imager (MAHLI) camera at the end of the robotic arm of NASA's Mars rover Curiosity. The set includes images of the MAHLI calibration target and of a Martian rock target called "Sayunei." MAHLI took the images on Jan. 22, 2013 (PST), after dark on the 165th Martian day, or sol, of the rover's work on Mars.

The illumination came from MAHLI's two ultraviolet LEDs, which emit light in a waveband centered at a wavelength of 365 nanometers. The exposure duration for this image was 1 second. The two bluish dots are reflections of the LEDs. The red feature is the calibration target's fluorescent swatch, which is cream-colored in the white-light illuminated image (PIA16713). This target is made of room-temperature volcanized silicone, impregnated with a pigment, SpectraFluor Red, donated to the MAHLI effort by its manufacturer, Spectra Systems of Providence, R.I. The exposure duration for the UV image was 1 second.

For scale, the Lincoln penny on the MAHLI calibration target is three-fourths inch (19 millimeters) in diameter. The calibration target is mounted on the rover. This image was taken from a lens distance of 3.9 inches (10 centimeters).

Malin Space Science Systems, San Diego, developed, built and operates MAHLI and the MAHLI engineering model. NASA's Jet Propulsion Laboratory, Pasadena, Calif., manages the Mars Science Laboratory Project and the mission's Curiosity rover for NASA's Science Mission Directorate in Washington. Curiosity and the mission's Vehicle System Test Bed rover were designed and built at JPL, a division of the California Institute of Technology in Pasadena.

For more about NASA's Curiosity mission, visit: http://www.jpl.nasa.gov/msl, http://www.nasa.gov/mars, and http://mars.jpl.nasa.gov/msl.

Image Credit:
NASA/JPL-Caltech/MSSS

Image Addition Date:
2013-01-24