Sky & Telescope - August 2019 - 48
AUGUST 2019 OBSERVING
Celestial Calendar by S. N. Johnson-Roehr
Three for One
Three asteroids, traveling conveniently close to one another in the southern sky,
come to opposition this month.
26
-5°
July 2
8
14
26
July 8
5
14
11
Aug
1 4
29
26
23
20
10
13 16
19
25 28
Sept
3
9 12
9 Oct 3
18 24
27
46
AQUARIUS
16
8
th
of
25
La
28
et
iti
a
26
ν
31
Sept 3
June 2
9
July
14
5
18
7009
1520
23
Pat
26 29
Aug 1
29
7
Oct 3
γ
27
21
CAPRICORNUS
Look for asteroids 16 Psyche, 15
Eunomia, and 39 Laetitia in Capricornus and Aquarius this month.
The chart above shows the asteroids' paths, with tick marks indicating their positions every three
days at 0h UT, which corresponds
to evening of the previous date for
those in North America.
A
15
ι
M72
M73
27
AUGU S T 2 019 * SK Y & TELESCOPE
4
5
6
7
8
22
ι
δ
3
ε
19
Pa
20
48
30 27
24 21 18
10
13
5
June
2
-15°
7
20h 40m
ξ
7
Aug 1
26
20
17
14
11
17
21h 00m
mia
Path of Euno
β
June
8 5 2
17
20
-10°
21h 20m
21h 40m
Star magnitudes
22h 00m
9
ho
fP
syc
he
10
13
16
19
25
θ
Sept
3
9
30 27
24 21
18 15
15
21
24
9 Oct 3
steroids 16 Psyche, 15 Eunomia, and 39 Laetitia wander through
western Aquarius and northern Capricornus this season, offering an excellent opportunity for observers to spot all three in a single
observing session. Shining between 8th and 9th magnitude, any of the
trio should be visible in a small telescope or 10×50 binoculars.
Asteroid 16 Psyche, traveling across Capricornus, sets the stage
for the month, reaching opposition on the night of August 6-7. The
9.3-magnitude asteroid rises at sunset and sets at sunrise on that
date, and will be about 20° high by the time full darkness sets in. The
waxing crescent Moon hangs around another hour or so after the end
of twilight, but will be well out of the way by the time Psyche culminates at 1 a.m. daylight-saving time. Psyche stands around 35° high
Sky & Telescope - August 2019
Table of Contents for the Digital Edition of Sky & Telescope - August 2019
Contents
Sky & Telescope - August 2019 - Cover1
Sky & Telescope - August 2019 - Cover2
Sky & Telescope - August 2019 - 1
Sky & Telescope - August 2019 - Contents
Sky & Telescope - August 2019 - 3
Sky & Telescope - August 2019 - 4
Sky & Telescope - August 2019 - 5
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Sky & Telescope - August 2019 - Cover3
Sky & Telescope - August 2019 - Cover4
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