Contains:  Solar system body or event
Venus on July 21, 2023, JDJ

Venus on July 21, 2023

Acquisition type: Lucky imaging

Equipment

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Acquisition details

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Description

Imaged Venus on the evening of July 20, 2023 (7/21 in UTC).  Venus had a diameter of 46" and was 14.9% illuminated.   With the altitude of Venus near sunset sinking rapidly and its phase becomes more of thin crescent, I'm no longer able to capture worthwhile UV images, so only IR imaging this and subsequent sessions...

Imaged with a C8 Evo, Siebert 2x barlow, ZWO ADC, Baader IR 685nm pass filters, and ZWO ASI174MM. Imaging train was configured to give me ~F/20 (FL=4000 mm). Image capture using Firecapture with the following gain/exposure settings:  g=250, 3 ms.  Stacking in AutoStakkert3 (best 5% of 20000 frames captured over ~180 seconds. De-rotated and combined 3 images in WinJupos.

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