Organisation
ALPO
The Association of Lunar and Planetary Observers, which coordinates amateur observation of the Moon, the planets, comets, and asteroids — organising observing programmes and archiving the results so that amateur monitoring of the Solar System adds up to something lasting.
Methods, objects & tools
Across public astronomy
Knowledge connections
- Associated withAsteroid Observing
- Associated withComet Observing
- Associated withAsteroid Observing
- Associated withComet Observing
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.