Search Publications

Measurements of the sky background using the HST Faint Object Camera.

Hook, R. N.; Fosbury, R. A. E.; Caulet, A.

The results of a novel method of measuring the three dominant components of the sky brightness from the Hubble Space Telescope orbit are reported. The shadows cast by an occulting finger in the Faint Object Camera (FOC), when the field is dispersed with an objective prism, are separated into three features: the geocoronal Lyα and neutral oxygen ai…