The centre-to-limb variations of the sun in the vacuum ultraviolet region were observed by a scanning spectrometer mounted in the K-10-11 rocket flown from Uchinoura, Japan, on September 24, 1975, 1400 JST. The nose cone of the rocket was controlled to point the direction of the sun by a jet system (CN) within about 20. The spatial and spectral resolutions of the spectrometer were 50" and 3.3 Å respectively. The observed results were consistent with our privious one (1630Å～1740Å) and those obtained by the French group (1740Å～2000Å), but differ from the HSRA model (about 1700Å～2000Å).
太陽真空紫外領域に於ける中心周縁強度変化の観測(K-10-11号機による)
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