Star transit

A star transit is the passage of a star across the field of view of a telescope eyepiece.

The precise observation of star transits is the basis of many methods in astronomy and in geodesy.

The measurements can be done in different ways: This astronomy-related article is a stub.

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Star transits (Reticle 2°, magnif. ~10, two stars passing the vertical thread). Timing accuracy may be ±0,5 s.