Jupiter and its Moons and Saturn
Taken by Bob Beal on December 14, 2020 @ St George, Utah, USA
Click photo for larger image
  Camera Used: Panasonic DMC-G7
Exposure Time: 10/10
Aperture: f/1.0
ISO: 400
Date Taken: 2020:12:15 17:18:14
 
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Details:
Jupiter and Saturn have a week to go to their grand conjunction. They were 45' apart but just missed fitting inside the camera's FOV together, so the image is a mosaic.

Seeing was terrible and focusing was guesswork. Despite that, Saturn's rings were distinguishable--even the dark space between the rings and planet--but with no hope of seeing Cassini's Division. Meanwhile at Jupiter, Io was plainly visible on one side of the planet but there was a curious blurry blob on the other side. By taking repeated 1-second bursts the atmosphere finally let one sub be sharp enough to reveal it to be the other 3 Galilean satellites clumped together like beads on a string. About 45 minutes later they had rearranged themselves into a tight triangle. Ganymede's shadow was also crossing the disk at the time but the roiling seeing made it impossible to spot.

Photo data: Monday, Dec 14, 2020, 6-6:45pm MDT
Panasonic G7, Questar 3.5
Planets: 1/10 sec (done in bursts with best stacked)
Moons: 1 sec (done in bursts with best stacked)
f/14, ISO 1600

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