Jupiter-Saturn Conjunction 13'

Jupiter-Saturn Conjunction 13' 09"

Posted: 20 December 2020

Open: Saturday, 19 December 2020, 1653 MST
Temperature: 71°F

Session: 1574
Conditions: Clear

Equipment:
12" f/8 LX600 w/StarLock
2" 24mm UWA eyepiece
2" 9mm 100° eyepiece
2" 2X Powermate

Camera:
D850 DSLR
iPhone 11 Pro Max

1657 MST: LX600 ON, StarLock OFF, High Precision OFF.

1659 MST: viewed Jupiter and Saturn, separated by 13' 09", 102. Saturn was faintly visible in the bright sky. Switched to the 2" 9mm 100° eyepiece (271X). Both planets nicely in the same field-of-view (FOV).

1721 MST: sunset.

1728 MST: mounted the D850 DSLR at prime focus + 2" 2X Powermate. Both planets visible in the FOV.

1740 MST: viewed Jupiter and Saturn, 12x50 binoculars.

1751 MST: D850 DSLR image (1/30sec, ISO 1600, slight crop) of Jupiter, the four Galilean Moons, and Saturn, prime focus + 2X Powermate.

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1757 MST: removed the camera and viewed the planets, 271X. Mounted the iPhone 11 Pro Max on the 9mm eyepiece.

1806 MST: iPhone afocal 271X image of Jupiter, the four moons, and Saturn taken with NightCap Camera (ISO 32, 1/10sec, 1X lens).

Went outside of the observatory and took this photo (f/4, 1 second, ISO 2500, FL 62mm, cropped). Jupiter and Saturn are looking down at Cassiopeia Observatory with its big brother Kitt Peak National Observatory in the distance (65 miles away).

Mouseover or tap on image for labels

1825 MST: back at the 12" telescope I took this handheld iPhone afocal 102X image of the Moon using NightCap Camera (ISO 32, 1/200sec, 1X lens).

Then viewed Jupiter and Saturn, 102X. Pretty sight.

1843 MST: D850 DSLR photo (f/4, 5 seconds, ISO 1600, FL 70mm) of the southern western sky with the close conjunction of Jupiter and Saturn.

1848 MST: last look at Jupiter and Saturn, 102X.

1849 MST: LX600 OFF.

Close: Saturday, 19 December 2020, 1856 MST
Temperature: 46°F

Session Length: 2h 03m
Conditions: Clear

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