Cassiopeia Observatory logo

Jupiter-Saturn Conjunction 6' 22"

Posted: 22 December 2020

Open: Monday, 21 December 2020, 1658 MST
Temperature: 76°F
Session: 1577
Conditions: Clear, breezy

Equipment:
12" f/8 LX600 w/StarLock
2" 24mm UWA eyepiece
2" 5.5mm 100° eyepiece
2" 30mm eyepiece
2" 4X Powermate

Camera:
D850 DSLR
iPhone 11 Pro Max

1701 MST: LX600 ON, StarLock OFF, High Precision OFF.

1703 MST: viewed Jupiter and Saturn, 6' 19" apart, 102X. Switched to the 2" 5.5mm 100° eyepiece (443X). Both planets were in the same field-of-view (FOV) at this high magnification using the wide-field eyepiece. Amazing sight.

1722 MST: sunset.

Mounted the D850 DSLR at prime focus + 4X Powermate. Both planets in the same FOV.

1745 MST: viewed the nice "double planet", 12x50 binoculars.

1748 MST: Jupiter (with two moons visible) and Saturn, now separated by 6' 22", prime focus + 4X Powermate, 1/10sec, ISO 1600, full-frame image.

photo

1754 MST: viewed the planets, 443X.

Mounted the iPhone 11 Pro Max on the 2" 5.5mm 100° eyepiece. Took this iPhone afocal 443X image using NightCap Camera (ISO 500, 1/50sec, 1X lens).

photo

More planets observing, 443X, 102X, and 81X.

Mounted the iPhone on the 2" 30mm eyepiece and took afocal 81X photos of the planets and then the Moon. This is a composite showing the separation of the planets compared to the width of the Moon.

photo

1829 MST: view of the western sky with the planets (upper right) over Cassiopeia Observatory taken with the D850 DSLR (f/4, 10 seconds, ISO 1600, FL 70mm).

photo

1840 MST: final look at the close conjunction of Jupiter and Saturn, 102X. It was an amazing sight to see. The separation between the planets is now increasing.

1842 MST: LX600 OFF.

Close: Monday, 21 December 2020, 1847 MST
Temperature: 58°F
Session Length: 1h 47m
Conditions: Clear


Comments are welcome using Email. Twitter users can use the button below to tweet this report to their followers. Thanks.


Previous report

Cassiopeia Observatory Home Page

Back to Top


Copyright ©2020 Michael L. Weasner / mweasner@me.com
URL = http://www.weasner.com/co/Reports/2020/12/22/index.html