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.

Të drejtat:

ESO

Rreth kësaj Videoje

Id:eso9940b
Data e Publikimit:13 Gusht 1999
Publikime të ngjashme:eso9940
Kohëzgjatja:10 s
Frame rate:30 fps

Rreth objektit

Kategori:Paranal

Legacy Videos

Legacy Video
1,8 MB

Shih dhe