The term should not be confused with "astronomical regulator", a high precision but otherwise ordinary pendulum clock used in observatories.
en.wikipedia.org Applied research activities, projects, and observatories financed by the European Community were also organised during this period.
en.wikipedia.org It is a family event which features open houses, lectures, informal talks, and hands-on activities at area museums, observatories, other scientific facilities, and the university.
en.wikipedia.org Astronomical observatories generally are able to characterise the local extinction curve very accurately, to allow observations to be corrected for the effect.
en.wikipedia.org A new ecologically sustainable visitor centre would also be constructed, and other improvements would be carried out to hides and observatories.
en.wikipedia.org