Friday, November 26, 2021

APOD - Great Refractor and Lunar Eclipse

Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

2021 November 26
See Explanation.  Clicking on the picture will download  the highest resolution version available.

Great Refractor and Lunar Eclipse
Image Credit & Copyright: Laurie Hatch

Explanation: Rain clouds passed and the dome of the Lick Observatory's 36 inch Great Refractor opened on November 19. The historic telescope was pointed toward a partially eclipsed Moon. Illuminated by dim red lighting to preserve an astronomer's night vision, telescope controls, coordinate dials, and the refractor's 57 foot long barrel were captured in this high dynamic range image. Visible beyond the foreshortened barrel and dome slit, growing brighter after its almost total eclipse phase, the lunar disk created a colorful corona through lingering clouds. From the open dome, the view of the clearing sky above includes the Pleiades star cluster about 5 degrees from Moon and Earth's shadow.

Notable APOD Submissions: Lunar Eclipse of 2021 November 19
Tomorrow's picture: light-weekend


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