Sky & Telescope - March 2022 - 44

MARCH 2022 OBSERVING
Planetary Almanac
PLANET VISIBILITY (40°N, naked-eye, approximate) Mercury is lost in the Sun's glare all
month * Venus and Mars visible at dawn all month * Jupiter visible at dawn low in the east-southeast
starting on the 31st * Saturn emerges at dawn starting on the 8th.
Mercury
March Sun & Planets
Right Ascension
Mar 1
Venus
Mercury
11
21
31
Sun
Date
1
31
1
Venus
1
Mars
Mars
1
Jupiter
Jupiter
Saturn
16
Saturn
Uranus
Neptune
16
Uranus
16
31
16
31
1
31
1
31
16
16
16
31
11
21
31
1
11
21
31
1
22h 46.4m
0h 36.6m
21h 16.9m
22h 15.9m
23h 19.3m
0h 27.6m
19h 45.8m
20h 21.9m
21h 01.5m
21h 42.9m
19h 51.7m
20h 38.6m
21h 24.4m
23h 00.9m
23h 27.6m
21h 24.9m
21h 37.3m
2h 38.0m
23h 34.8m
Declination
Elongation
Magnitude
-7° 48′ - -26.8
+3° 57′ - -26.8
-17° 16′
-13° 03′
-6° 45′
+1° 26′
-16° 56′
-16° 17′
-14° 53′
-12° 42′
-21° 49′
-19° 31′
-16° 30′
-7° 22′
-4° 35′
-16° 07′
-15° 11′
+15° 02′
-3° 56′
24° Mo
19° Mo
12° Mo
3° Mo
45° Mo
46° Mo
47° Mo
46° Mo
44° Mo
48° Mo
52° Mo
4° Ev
19° Mo
22° Mo
48° Mo
47° Ev
3° Mo
-0.1
-0.3
-0.7
-1.8
-4.7
-4.6
-4.5
-4.4
+1.3
+1.2
+1.1
-2.0
-2.0
+0.8
+0.9
+5.8
+8.0
Diameter
Illumination
32′ 17″ -
32′ 02″ -
5.9″
5.4″
5.1″
5.0″
31.6″
27.6″
24.4″
21.9″
4.7″
4.9″
5.2″
33.0″
33.4″
15.4″
15.8″
3.5″
2.2″
Distance
0.991
76%
85%
93%
99%
38%
44%
50%
55%
94%
93%
92%
100%
100%
0.999
1.148
1.255
1.328
1.349
0.529
0.605
0.683
0.761
1.996
1.903
1.812
5.970
5.908
100% 10.822
100% 10.537
100% 20.380
100% 30.912
The table above gives each object's right ascension and declination (equinox 2000.0) at 0h Universal Time on selected dates,
and its elongation from the Sun in the morning (Mo) or evening (Ev) sky. Next are the visual magnitude and equatorial diameter.
(Saturn's ring extent is 2.27 times its equatorial diameter.) Last are the percentage of a planet's disk illuminated by the Sun and
the distance from Earth in astronomical units. (Based on the mean Earth-Sun distance, 1 a.u. equals 149,597,871 kilometers, or
92,955,807 international miles.) For other timely information about the planets, visit skyandtelescope.org.
Neptune
December
solstice
10 "
Uranus
PLANET DISKS are presented
north up and with celestial west to the
right. Blue ticks indicate the pole currently
tilted toward Earth.
ORBITS OF THE PLANETS
The curved arrows show each planet's
movement during March. The outer
planets don't change position enough
in a month to notice at this scale.
Earth
Jupiter
Saturn
March
equinox
Neptune
Venus
Sept.
equinox
Sun
Mercury
June Mars
solstice
44
MARCH 2022 * SKY & TELESCOPE

http://www.skyandtelescope.org

Sky & Telescope - March 2022

Table of Contents for the Digital Edition of Sky & Telescope - March 2022

Contents
Sky & Telescope - March 2022 - Cover1
Sky & Telescope - March 2022 - Cover2
Sky & Telescope - March 2022 - 1
Sky & Telescope - March 2022 - Contents
Sky & Telescope - March 2022 - 3
Sky & Telescope - March 2022 - 4
Sky & Telescope - March 2022 - 5
Sky & Telescope - March 2022 - 6
Sky & Telescope - March 2022 - 7
Sky & Telescope - March 2022 - 8
Sky & Telescope - March 2022 - 9
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