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Massive limb eruption in calcium light

On the morning of 10-26-2021 at 10:50am Chicago Time, Active region 2891 unleashed several powerful mass ejections. The video shows just one of these events captured at the wavelength 393.37nm which represents ionized Calcium plasma. A celestron luminos 2.5x barlow was used to extend the focal length to approximately 3000mm. This plasma cloud billowed out […]

jet-prom

Thruster Jet prominence in calcium light

An emerging jet, thrust itself from the solar limb resembling the afterburner torch flame of a fighter jet engine. Captured in calcium light at prime focus without a barlow. 3 second long, 250 frame video durations captured at 0 second intervals. Rejected 90% frames, and stacked best 10 frames per video segment. 308 total frames […]

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Sonnenflare AR2151

Es ist Sonntag nachmittag, der 24. August 2014, gegen 14.15 Uhr. Endlich reißen die Wolken auf. In Erwartung eines sonnigen Nachmittags öffne ich meine Sternwarte und schaue mit meinem 100mm ED-Refraktor und einem 0,5 Angström SolarSpectrum H-alpha-Filter plus TZ-4 in strahlend blauen Wolkenlücken auf die H-alpha Sonne. Es ist viel los in der Chromosphäre. Das […]