Skywatch - 2021 - 33

Facing North

J U N E | 2021
SK YC H A RT

3h

CAS

6h

+60°

N

AU

W

CAM

ELOP
A

SIO

PEI

A

RDAL
IS

Fa

ci
Fa
llu
Po

β
ig er
p
B

Sickle

Regulus

LEO
Denebola

α

α

β

A

C

O

+60°

γ

ζ

M3

C
BER OMA
ENIC
ES

R

η

D

ip

M51

δ

r
iza or
M Alc
&

ε

CANES
VENATICI

γ

Little

β

D

γ

M ne
Ju

γ

0°

a

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C

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S
R

VU

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α

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+80°

β

σ
are
s
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M

α

U R S A Dipper
MINOR

α

A
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M

M

81

T

ci

18h

IU

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n
Moo 21 α
June

Ant

TA
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M

82

α

IT

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23

17

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Polaris

α

β

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α

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12

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Jupiter

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LIBRA

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( C AR P E N
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21

Facing East

Sat

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h

9

12h

RP
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S

LUPUS

Fa

US
UR
TA
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CE

ci

n

STAR
MAGNITUDES

-40°

15h

-1

0

1

2

3

4

Facing South
SYMBOLS

Galaxy

6/6: Astronomers,
hoping to determine
the distance from
the Earth to the
Sun, watch as Venus
transits the Sun, 1761

Double star

6/11: William
Herschel publishes
his Catalogue of a
Second Thousand of
New Nebulae and
Clusters of Stars, 1789

Variable star

Open cluster

6/12:
First cosmic
X-rays
discovered
from Scorpius
X-1, 1962

Diffuse nebula

6/14: Pierre
Méchain
discovers his fi rst
deep-sky object,
spiral galaxy
M63, 1779

Globular cluster

6/20: Charles
Messier
discovers open
cluster M23
in Sagittarius,
1764

Planetary nebula

6/30: The Tunguska event,
the explosion of a super
bolide meteor or comet
just above Earth's surface,
flattens 770 square miles of
forest in Siberia, 1908

SK Y WATCH 2021

33

F a c i n g We s t

n

E

L

N

Map instructions can
be found on page 9.

Mars

ci

g

n

g

R

A

IG

0h

*Daylight-saving time

4
M4

WHEN TO
USE THIS MAP
Early May - 1 am*
Late May - Midnight*
Early June - 11 pm*
Late June - Nightfall



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
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Skywatch - 2021 - Cover3
Skywatch - 2021 - Cover4
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