Sentences with phrase «observations by amateur»

The experiments, led by specialized researchers, will also draw on observations by amateur sky watchers and students.

Not exact matches

Isshi Tabe and Dr Jun - ichi Watanabe, of the Association of Lunar and Planetary Observers (ALPO) in Japan, set up the Find Flash project following the observation of an impact flash by four Japanese amateur astronomers on 20th August 2010.

Radar observations by the U.S. Air Force and by amateur hobbyists revealed that after each commercial satellite was deployed, an additional small object flew far away from the jettisoned rocket booster, only to later turn around and fly back.

Kamuela, HI — Combining observations from the world's largest telescopes with small telescopes used by amateur astronomers, a team of scientists discovered that the large main - belt asteroid (87) Sylvia has a complex interior, thanks to the presence of two moons orbiting the main asteroid, and probably linked to the way the multiple system was formed.

Only an amateur with no concept of the material (Stokes) derivative and time - series aliasing would conclude that lack of serial observations, such as provided by land - station data, of diurnally varying temperature at fixed oceanic locations is «not a problem.»

I came across an interesting observation in the US Weather review of around 1880 - as some professional observers replaced amateurs - that one observers meteorological equipment was carried to his location by mule.

Before the 19th century virtually all weather observations were made by amateurs, providing data that would become essential for tracking long - term changes.