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Astrophotographer Compresses 75 Minutes of Solar Activity into 6.5 Seconds

11/6/2025

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Summary

Story summary

Mark Johnston, an astrophotographer, captured a 6.5-second sun timelapse on October 20, 2025, from Willow Springs Lake, Arizona.
The 75 minutes of solar activity were compressed into 6.5 seconds, revealing dynamic solar features.
The footage shows a cloud of hydrogen plasma suspended by magnetic fields and a solar prominence, captured with a TEC160FL refractor.
Johnston credited an upgraded solar etalon filter for producing remarkable results.

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Story summary

Mark Johnston, an astrophotographer, captured a 6.5-second sun timelapse on October 20, 2025, from Willow Springs Lake, Arizona.
The 75 minutes of solar activity were compressed into 6.5 seconds, revealing dynamic solar features.
The footage shows a cloud of hydrogen plasma suspended by magnetic fields and a solar prominence, captured with a TEC160FL refractor.
Johnston credited an upgraded solar etalon filter for producing remarkable results.