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.
Methods, objects & tools
Knowledge connections
- Associated withStellar Occultations
Sources
The primary and reference sources this topic draws on.
- 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.