Observing the Sun with a Mak 90/1250 telescope on April 17th, 2016 @astropageeu
Observing the Sun with a Mak 90/1250 telescope on April 17th, 2016  @astropageeu
Uploaded April 2016 | Updated September 2026, 5 days ago
Deutsch (for english description see below)
Dieses Video zeigt eine kurze Beobachtungssession eines großen Sonnenflecks am 17. April 2016. Das Equipment bestand aus einem Maksutov-Teleskop mit 90mm Öffnung und 1250mm Brennweite (Mak 90/1250) auf einer manuell nachgeführten Astro-3-Montierung und einer ALccd5L-IIc Kamera. Man kann deutlich die Luftunruhe (Seeing genannt) erkennen. Die ursprüngliche Auflösung war 1280x960 im Raw-Modus. Runterskaliert auf 720x576 in Graustufen.

Das Ergebnisbild ist hier zu finden: flickr.com/photos/astropage_eu/26456616806

Credit: astropage.eu

English
This video shows a short observing session of a huge sunspot on April 17th, 2016. The equipment used was a Maksutov (Mak) telescope with 90mm aperture and 1250mm focal length (often named Mak 90/1250). The telescope was attached on a manually tracked Astro-3 mount. An ALccd5L-IIc planetary imaging camera recorded the video data. You can clearly see the influence of the so-called "Seeing" - the disturbances of earth's atmosphere. Original resolution was 1280x960 in raw mode. Scaled down to 720x576 greyscale.

This is the resulting image: flickr.com/photos/astropage_eu/26456616806

Credit: astropage.eu
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Observing the Sun with a Mak 90/1250 telescope on April 17th, 2016

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