observing
41Observingly — Observing Ob*serv ing, a. Giving particular attention; habitually attentive to what passes; observant[1]; as, an observing person; an observing mind. {Ob*serv ing*ly}, adv. [1913 Webster] …
42OTE — Observing Time Estimator Contributor: GSFC …
43air reconnaissance — observing or surveying from aircraft (usually of an enemy position) …
44cross observation — observing from two positions when their vantage points intersect …
45time study — Observing the carrying on of work in an industry with the idea of perfecting plans to perform the same work in a lesser number of man hours …
46List of astronomy acronyms — This is a compilation of acronyms commonly used in astronomy. Most of the acronyms are drawn from professional astronomy and are used quite frequently in scientific publications. However, a few of these acronyms are frequently used by the general …
47Daylight saving time by country — See also: List of time zones by country Daylight Saving Time Countries as October 2011  & …
48List of time zones — This is a list of time zones, sorted by time offsets from Coordinated Universal Time (UTC). Countries and regions observing the respective time zones are listed under it. This only gives current offsets. For more detailed and historic information …
49Observational astronomy — Mayall telescope at Kitt Peak National Observatory Observational astronomy is a division of the astronomical science that is concerned with getting data, in contrast with theoretical astrophysics which is mainly concerned with finding out the… …
50Automated airport weather station — Automated airport weather stations are automated sensor suites which are designed to serve aviation and meteorological observing needs for safe and efficient aviation operations and weather forecasting. Automated airport weather stations have… …
