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Capella in all her Scintillating Glory, Bruce Rohrlach

Capella in all her Scintillating Glory

Getting plate-solving status, please wait...
Capella in all her Scintillating Glory, Bruce Rohrlach

Capella in all her Scintillating Glory

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Description

Capella in all her brilliant and scintillating glory.

Scintillation (twinkling) of stars is caused by the passing of light through different layers of a turbulent atmosphere. Most scintillation effects are caused by anomalous refraction as a result of small-scale fluctuations in air density - usually related to temperature gradients. This is most pronounced when the star is near the horizon and its light travels through the greatest thickness of atmosphere. Waving a zoom lens gently around the star generated this beautiful pattern of multi-coloured and multi-hued star colour that maps the scintillation during the course of the exposure. In this case - camera sake was fully intended !

Nikon D610, 105mm zoom lens, 8 seconds of hand-held camera waving.

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Capella in all her Scintillating Glory, Bruce Rohrlach