Skywatch - 2021 - 29
Facing North
WHEN TO
USE THIS MAP
Early April - 1 am*
Late April - Midnight*
Early May - 11 pm*
Late May - Nightfall
1h
4h
+60°
N
R
S
CASSIOPEIA
M52
Fa
W
ci
n
Fa
A
IG
A
U
R
_
`
ME
L
DA
_
LIS
+80°
EUS
CEPH
C
_
Y
CA
OP
AR
De
ne
b
p
Ca
E
la
el
N
ci
g
n
g
PE
SE
U
22 h
*Daylight-saving time
Map instructions can
be found on page 9.
M AY | 2021
SK YC H A RT
URSA
MINOR
N
Polaris
G
U
S
Ca
P
`
lus
gu
Re
_
Procyon
S
XT
AN
Y
D
R
A
SE
a
H
CORV
US
AT
CR
-20°
ER
SW
g
10h
16h
P
n
R
s
re
ci
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ta
C
Fa
An
S
_
IU
S
CE
NT
A
F a c i n g We s t
ck
a
Si
la
bo
ne
De
LE
O
`
CANCER
le
LEO
MIN OR
M44
M51
L
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T O
U A
Q
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0°
a
A
C
CANIS MINOR
M
M oo
ay n
16
URSA
MAJOR
d
c
¡
a b
Mizar
& Alcor
B i g +60°
Dipper
R
x
ollu
_
M5
IB
rs
a
ES
ÖT _
s
turu
BO
Arc
_
S
N
PEUT)
R
SE AP
(C
M12
M10
L
n
oo 9
C
M ay 1
I
M
T
E
_
Spica
_
Ma
O
CORONA _
BOREALIS
M13
_
¡
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C
`
L
sto
A
M92
HERC
ULES
_
S
HU
UC
HI
OP
Virgo
Galaxy
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n
Moo 22
May
`
SE
VENATICI
+20°
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+80°
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19
Facing East
_ CANES
M3
VIRG
O
Moon
May 25
g
Zenith
COMA
BERENICES
7h
Fa
UR
US
ci
n
STAR
MAGNITUDES
-40°
13h
-1
0
1
2
3
4
Facing South
SYMBOLS
5/5: Mercury
astronaut
Alan Shepard
becomes fi rst
American in
space, 1961
Galaxy
Double star
5/8: Jérôme Lalande
records the fi rst
observations of
Neptune, mistaking
the planet for a star,
1795
Variable star
5/11: Pierre
Méchain
discovers
M104, the
Sombrero
Galaxy, 1781
Open cluster
5/12: E. E.
Barnard
discovers
his fi rst
comet,
1881
Diffuse nebula
5/28: Charles
Messier discovers
globular cluster
M9 in the right
leg of Ophiuchus,
1764
Globular cluster
Planetary nebula
5/29: Charles Messier
discovers globular cluster
M10, which lies 14,300
light-years away in the
direction of Ophiuchus,
1764
SK Y WATCH 2021
29
Skywatch - 2021
Table of Contents for the Digital Edition of Skywatch - 2021
Contents
Skywatch - 2021 - Cover1
Skywatch - 2021 - Cover2
Skywatch - 2021 - 1
Skywatch - 2021 - Contents
Skywatch - 2021 - 3
Skywatch - 2021 - 4
Skywatch - 2021 - 5
Skywatch - 2021 - 6
Skywatch - 2021 - 7
Skywatch - 2021 - 8
Skywatch - 2021 - 9
Skywatch - 2021 - 10
Skywatch - 2021 - 11
Skywatch - 2021 - 12
Skywatch - 2021 - 13
Skywatch - 2021 - 14
Skywatch - 2021 - 15
Skywatch - 2021 - 16
Skywatch - 2021 - 17
Skywatch - 2021 - 18
Skywatch - 2021 - 19
Skywatch - 2021 - 20
Skywatch - 2021 - 21
Skywatch - 2021 - 22
Skywatch - 2021 - 23
Skywatch - 2021 - 24
Skywatch - 2021 - 25
Skywatch - 2021 - 26
Skywatch - 2021 - 27
Skywatch - 2021 - 28
Skywatch - 2021 - 29
Skywatch - 2021 - 30
Skywatch - 2021 - 31
Skywatch - 2021 - 32
Skywatch - 2021 - 33
Skywatch - 2021 - 34
Skywatch - 2021 - 35
Skywatch - 2021 - 36
Skywatch - 2021 - 37
Skywatch - 2021 - 38
Skywatch - 2021 - 39
Skywatch - 2021 - 40
Skywatch - 2021 - 41
Skywatch - 2021 - 42
Skywatch - 2021 - 43
Skywatch - 2021 - 44
Skywatch - 2021 - 45
Skywatch - 2021 - 46
Skywatch - 2021 - 47
Skywatch - 2021 - 48
Skywatch - 2021 - 49
Skywatch - 2021 - 50
Skywatch - 2021 - 51
Skywatch - 2021 - 52
Skywatch - 2021 - 53
Skywatch - 2021 - 54
Skywatch - 2021 - 55
Skywatch - 2021 - 56
Skywatch - 2021 - 57
Skywatch - 2021 - 58
Skywatch - 2021 - 59
Skywatch - 2021 - 60
Skywatch - 2021 - 61
Skywatch - 2021 - 62
Skywatch - 2021 - 63
Skywatch - 2021 - 64
Skywatch - 2021 - 65
Skywatch - 2021 - 66
Skywatch - 2021 - 67
Skywatch - 2021 - 68
Skywatch - 2021 - 69
Skywatch - 2021 - 70
Skywatch - 2021 - 71
Skywatch - 2021 - 72
Skywatch - 2021 - 73
Skywatch - 2021 - 74
Skywatch - 2021 - 75
Skywatch - 2021 - 76
Skywatch - 2021 - 77
Skywatch - 2021 - 78
Skywatch - 2021 - 79
Skywatch - 2021 - 80
Skywatch - 2021 - Cover3
Skywatch - 2021 - Cover4
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