The Twinkling of Sirius
Taken by Zain Ahmed on January 4, 2014 @
Karachi, Sindh, Pakistan
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Camera Used: Unavailable Unavailable
Exposure Time: Unavailable
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Date Taken: Unavailable
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Details:
All stars twinkle and Sirius being the brightest twinkles the most. When the sky is transparent and Sirius is near the horizon, the star's scintillation when seen through a binocular can be dramatic enough to surprise even hardened astronomers!
Details: Handheld EOS 600D with 300mm lens at f/5.6. Single 1.5" second exposure at ISO 800.
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