Editorial: Asteroid collision shows how much amateur astronomers have to offer
The four telescopes were of a type that has become popular in the amateur-astronomy community, with 112-millimetre-diameter mirrors. Manufactured by Unistellar, based in Marseille, France, they come with an app that uploads observational data to the company’s server, so professional astronomers can quickly combine and analyse records of an event made by their amateur associates.
It’s the latest example in the long-running story of how amateur stargazers have assisted in making observations of the night sky. In the past, for example, astronomers have improved their understanding of variable stars — those whose brightness as seen from Earth changes with time — by tapping into an extensive database of observations built partly by amateur astronomers as part of a global network called the American Association of Variable Star Observers.
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