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Updates for February 2008
DFRC Photo # Photo Date Image Description
ED07-0039-2 December 6, 2006 David A. Wright
ED08-0067-10 March 10, 2008 This backlit photo of SOFIA's infrared telescope during characterization testing shows the cell-like construction of the telescope's 2.5-meter primary mirror.
ED08-0067-19 March 10, 2008 NASA's SOFIA flying observatory was captured in striking relief during nighttime telescope characterization tests in Palmdale, Calif., in March 2008.
ED08-0067-24 March 10, 2008 The 2.5-meter infrared telescope in the rear fuselage of NASA's SOFIA flying observatory tracked the star Polaris during characterization tests in March 2008.
ED08-0067-35 March 10, 2008 Wispy clouds are illuminated by a bright quarter moon behind the tail of NASA's SOFIA flying observatory during telescope characterization testing in 2008.
ED08-0067-51 March 10, 2008 Scientists and telescope operators focus on data readouts set up inside NASA's SOFIA airborne observatory during telescope characterization tracking tests.
ED08-0067-53 March 10, 2008 As SOFIA's large telescope assembly slowly rotates, scientists and telescope operators review data readouts and imagery on their monitors during tracking tests.
ED08-0064-02 March 7, 2008 Eric Apel and Alan Hills of the National Center for Atmospheric Research install the Trace Organic Gas Analyzer's sensor probe on the exterior of NASA's DC-8.
ED08-0064-05 March 7, 2008 Chris Cantrell and Becky Anderson of the National Center for Atmospheric Research assess the CIMS instrument's operation during ARCTAS mission preparations.
ED08-0064-10 March 7, 2008 Jingqiu Moa and Xinrong Ren check out Pennsylvania State University's Airborne Tropospheric Hydrogen Oxides Sensor instrument during the ARCTAS mission upload.
ED08-0064-11 March 7, 2008 Eric Scheuer of the University of New Hampshire installs the Soluble Acidic Gases and Aerosol instrument in NASA's DC-8 for the ARCTAS mission.
ED08-0064-13 March 7, 2008 Deedee Montzka of the National Center for Atmospheric Research checks out the NOxyO3 instrument on NASA's DC-8 flying laboratory before the ARCTAS mission.
ED08-0064-14 March 7, 2008 Lee Mauldin inspects the National Center for Atmospheric Research CIMS instrument probe on the exterior of NASA's DC-8 flying lab prior to the ARCTAS mission.
ED08-0041-100 February 20, 2008 Technicians guide removal of the upper rigid door assembly that covers the telescope cavity on NASA's SOFIA 747SP in preparation for primary mirror removal.
ED08-0041-033 February 12, 2008 Technicians carefully maneuver a spreader bar into place before removing the telescope aperture assembly from NASA's SOFIA infrared observatory Boeing 747SP.
ED08-0041-031 February 12, 2008 A large mobile crane and hi-lift are maneuvered into place for removal of the aperture assembly and cavity doors from NASA's SOFIA observatory aircraft.
ED08-0041-021 February 12, 2008 Technicians carefully disassemble portions of the aperture mounting assembly from NASA's SOFIA aircraft in preparation for removal of the telescope.

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