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The Sun's disk in Lyman-alpha radiation
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1956
Year
Short Wavelength OpticEngineeringSpace OpticIntermediate Aerobee RocketSolar PhysicOptical DiagnosticsAstronomical Image AnalysisOptical SystemsRadiation ImagingLyman-alpha RadiationPhotometryLithium FluorideUltraviolet Monochromatic CameraRadiometryAstrophysicsSolar Energetic ParticlePhotometry (Optics)Astrophysical PlasmaOptical Sciences
An ultraviolet monochromatic camera was flown in an intermediate Aerobee rocket on May 8, 1956, at 7:55 a.m., MST. The instrument was designed to photograph the disk of the sun in Lyman-alpha radiation (1215.7A). The optical components of the camera were made of lithium fluoride and consisted of two 15° prisms and one lens. The resolving power was of the order of 1/20 the solar diameter, and the band-pass about 40A.