Page 12 - BBC Sky at Night Beginners Guide to Astronomy - 2017 UK

TOP DO NOT LOOK
CAUTION
TEN THE NAKED EYE OR
AT THE SUN WITH
ANY UNFILTERED
BRIGHTEST OBJECTS MAGNIFICATION
DEVICE
1 THE SUN
Magnitude: –26.7
As seen from Earthr
2 THE MOON
Magnitude: –12.6
At full Moonr
3 VENUS
Magnitude: –4.7
At its brightestr
4 MARS
Magnitude: –2.9
At its brightest r
5 JUPITER
Magnitude: –2.9
At its brightestr
6 MERCURY
Magnitude: –1.9
At its brightestr
7 SIRIUS
Magnitude: –1.5
Northern hemisphere star
Brightest star in the night skyr
8 CANOPUS
Magnitude: –0.7
Southern hemisphere star,
second brightest in the
night skyr
9 SATURN Although the Sun is the brightest
star in our skies, in absolute terms
Magnitude: –0.3
it’s dimmer than Rigel in Orion
At its brightestr
10 ALPHA CENTAURI
Magnitude: –0.3
Leading star in the
southern hemisphere
constellation of Centaurus

OTHER OBJECTS
FAINTEST STARS IN A
LIGHT-POLLUTED URBAN SKY
Magnitude: +3.0
FAINTEST STARS VISIBLE FROM
A DARK-SKY SITE
THINKSTOCK X 3, PETE LAWRENCE X 3 FAINTEST STARS VISIBLE WITH The Moon is the brightest Venus is at its brightest before
Magnitude: +6.5

10X50 BINOCULARS
Magnitude: +9.5
FAINTEST STARS VISIBLE WITH
object in the night sky
sunrise in the morning or
THE HUBBLE SPACE TELESCOPE
Magnitude: +30.0
12 skyatnightmagazine.com 2012 when in a full phase after sunset in the evening