Amateur activity

Occultation Timing

Precisely recording the instant a star winks out and reappears as the Moon or an asteroid passes in front of it. Combined across many observers, these timings reveal lunar-limb profiles and the shapes and sizes of asteroids — a niche where amateurs produce genuinely professional data.

Stellar Occultations

Knowledge connections

Associated withStellar Occultations

Sources

Facts on this topic will be cited from these primary and reference sources.

NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.

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Occultation Timing

Methods, objects & tools

Knowledge connections

Sources

Occultation Timing

Methods, objects & tools

Knowledge connections

Sources