Observerhours
Observerhours is a measure used in scientific observing and fieldwork to quantify the time that observers actively contribute to data collection. Defined as one hour of active observing by a single observer, observerhours can be accumulated across multiple people and sessions. For example, two observers each conducting observations for three hours contribute six observerhours.
Calculation and conventions vary by project, but common practice is to tally the duration of each observing
Observerhours are distinct from telescope or on-sky time. On-sky time typically measures the actual use of the
Applications of observerhours include project planning, manpower budgeting, and grant reporting. Reporting through observerhours provides a
See also: observing run, telescope time, man-hours, data collection.