Abstract
DURING the GT-5 manned spacecraft flight mission of August 21–29, 1965, an experiment to determine the cloud top altitude was performed. The instrument used in this experiment has been described by Saiedy et al.1. It is a compact grating spectrograph-camera which records simultaneously a photograph of the cloud and its spectrum from 7500 Å to 7800 Å. Fig. 1 shows a reproduction of one of the 26 observations obtained during the mission. This photograph-spectrogram was taken over a cloudy area in the inter-tropical convergence zone (ITC) at 12° 37′ N., 99° 10′ W., at 1944:02 G.C.T., August 25.
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References
Saiedy, F., Hilleary, D. T., and Morgan, W. A., App. Optics, 4, 495 (1965).
Wark, D. Q., and Mercer, D. M., App. Optics, 4, 839 (1965).
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SAIEDY, F., MORGAN, W. & WARK, D. Determination of Cloud Altitudes from Gemini-Titan-5. Nature 208, 775 (1965). https://doi.org/10.1038/208775a0
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DOI: https://doi.org/10.1038/208775a0
