central-meridian transit

[′sen·trəl mə′rid·ē·ən ′tranz·ət]

(astronomy)

The passage of an object on the surface of a planet across the central meridian.

References in periodicals archive

Its origin can be traced back to 1989 as the DOS program ZMPP by Hans-Jorg Mettig, used to time central-meridian transits of Jupiter's Great Red Spot.

A planetary breakthrough: WinJUPOS eliminates the race against time in planetary imaging

Also posted there is a full list of phenomena of Jupiter's moons and predictions for central-meridian transits of Jupiter's Great Red Spot.

Moons of Jupiter and Saturn

While drawings are useful, timings of the central-meridian transits of Jovian features are the most scientifically valuable data an amateur can produce.

A Jupiter observing guide: viewing the solar system's largest planet can be more than fun--even with a modest telescope, you can make observations of lasting scientific value

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