Friday, June 28, 2024

Earthly clouds and galactic clouds

 The sky was exceptionally dark on Tuesday night, with sqml=21.68.  Unfortunately, some passing clouds made wide-field photography difficult.  The following images were obtained with a Sony A7iii + Rokinon 85mm f/1.4 lens, ISO 1600, 30 s.  This lens is the original 9-element aspherical MF version purchased in 2011.

 Can you tell the earthly clouds from the Galactic dust clouds?:




Scorpius.  Kase Astroblast filter.

Deneb and the North American Nebula (top center).  Kase Astroblast filter.



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