C/2021 A1 (Leonard) 2021-Dec-20 Chris Schur

Comet Leonard A1
in the morning sky
December 19, 2021

Now at magnitude 3.6, this comet is making a fine showing in the western sky after passing into the evening on December 13th. A brilliant stellar nucleus is seen, and a short rayed tail extensing at least 3 degrees in the bright light of the sunset and full moonlight. You can see the Mazatzal Mountains in the distace have some snow left on them as well.

This lens - A Sigma 150mm f/2.8 Pro Macro is one of the sharpest lenses I have ever used, and produces pinpoint stars right into the corners.

Lens: Sigma 150mm f/2.8 Pro Macro
Platform: Bresser GEM
Exposure: Stack of 5s RGB
Location: Payson, Arizona
Elevation: 5150 ft.
Sky: Seeing 5/10, Transparency 3/10
Outside Temperature: 32F
Processing Tools: Maxim DL, Photoshop CS2

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