Bortle 9.9 astronomy - Moon and Saturn rising over Chicago cityscape (Alexandr Zaytsev)

Contains: Solar system body or event

Bortle 9.9 astronomy - Moon and Saturn rising over Chicago cityscape

Observing near full Moon accompanied by Saturn rising over the cityscape of Chicago, IL on Aug 20, 2024. Captured with Pentax K-1 camera on a tripod: F=63mm f/4 ISO200 0.5sec exposure for the wide angle view in original revision (note that Saturn is visible even in that wide angle view in full resolution image) plus F=300mm f/4 ISO100 0.16sec exposure for the close-up in revision B. Moon is with 97% disk illumination, Saturn is at +0.69m, 8.7 AU away and with 19 arc.sec angular limb diameter.

Certain areas on Earth could see the occultation of Saturn by the Moon during that night, for which the visibility map can be found under [1, 2]:

[1] https://in-the-sky.org/news.php?id=20240821_16_100

[2] https://in-the-sky.org/news/occultations/occultation_20240821_0242_visibility.png

Original
B
C

B

Title: Close-up on the Moon and Saturn, 1 deg separation

Description: (Single exposure with camera on a tripod, f=300mm f/4 ISO100 0.16sec.)

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C

Title: 225% zoom on the sub-area of the original image with position of Saturn indicated in the Moon glow (barely visible in it)

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Bortle 9.9 astronomy - Moon and Saturn rising over Chicago cityscape

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