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The Milky Way stands vertically in the northern hemisphere in the early evening in September. This orientation allows for some beautiful scenes, like this scene at Echo Lake, Colorado. In the distance is 14,265 foot (4,348 m) Mount Evans. The center of the Milky Way galaxy is located just above Mt Evans and its reflection is seen in the lake. The sky is slightly brightened and reddened by smoke from forest fires in the western U.S.
This image is a small version to fit the entire scene on most screens. See the next image for a larger version.
Technical. This image is a 7-frame mosaic. Canon 1D Mark IV digital camera, 24 mm f/1.4 L lens at f/2, 30 second exposures at ISO 1600. With 30-second exposure, the stars would trail. The exposures on the sky were made with a home made "barn-door" tracking mount using a hand operated crank to follow the stars. Images of the terrestrial scene were made without tracking and the tracked and untracked scenes combined into the mosaic. The full mosaic is 4610 pixels wide and 10195 pixels high, covering approximately 60 x 140 degrees.
The Exposure Factors, CEF, CEFA are measures of the relative amounts of light received from a subject. It can be used to fairly compare wildly different lens/telescope apertures and exposure times. For this image:
To learn how to obtain stunning images like this, please visit my Extensive Articles on Photography .
Keywords to this image = astrophoto-1 galaxy mountains lakes mosaic colorado nightscapes night low-light reflections digital_astro canon_1d4
Image ID: night.sky.echo.lake.reflection.c09.18.2012.C45I1103-09.g-bin9x9-800v.jpg
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Last updated July 01, 2023