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by perihelions
1433 days ago
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Yes, but Earth obstructs the field of view for about half that time. The way HST refers to an "orbit" for scheduling, only part of the elapsed time is usable observational time, for a single target. https://hst-docs.stsci.edu/hsp/the-hubble-space-telescope-pr... - "HST GO observing time is counted in terms of orbits. Each 96-minute orbit contains a certain amount of useful time when the target can be observed, called the orbital visibility period..." |
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