Wonders of active optics: astigmatic

The video shows the effect of astigmatism of the primary mirror. The stellar images change from a line to a square and then to a line in the perpendicular direction. This is caused by the secondary mirror moving back and forth along the optical axis.

Autorska prava:

ESO

O video klipu

Id:eso9940b
Datum objavljivanja:13. avgust 1999.
Povezana saopštenja:eso9940
Trajanje:10 s
Frame rate:30 fps

O objektu

Kategorija:Paranal

Legacy Videos

Legacy Video
1,8 MB

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