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Credit & Copyright: Alain Sallez
(picdumidi.org)
Explanation:
A tantalizing glimpse inside this dome was captured after
sunset at the mountain top
Pic Du Midi Observatory
in the French Pyrenees.
But while most are just beginning their
work at sunset, this observatory's day was done.
The instrument looming within
is CLIMSO
(for Christian Latouche IMageur Solaire),
dedicated to exploring dynamic phenomena across the
surface and atmosphere of the Sun.
To image the solar atmosphere or corona, CLIMSO uses
coronographs.
Developed by French astronomer
Bernard Lyot
in the 1930s, coronographs block light from the center of
the telescope beam to create an artificial
solar eclipse
and allow a continuous view of
the solar corona.
In this surreal twilight scene above a
sea of clouds,
the dome's interior was revealed by the single, long exposure
as the open slit rotated across the field of view.
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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Based on Astronomy Picture
Of the Day
Publications with keywords: Sun - corona - telescope
Publications with words: Sun - corona - telescope
See also:
- APOD: 2024 February 19 Á Looking Sideways from the Parker Solar Probe
- Circling the Sun
- APOD: 2023 December 11 Á Solar Minimum versus Solar Maximum
- APOD: 2023 November 19 Á Space Station, Solar Prominences, Sun
- APOD: 2023 October 25 Á Gone in 60 Seconds: A Green Flash Sunset
- Circular Sun Halo
- APOD: 2023 August 1 Á Monster Solar Prominence