<<

R

T H N

MAJOR

URSA

T

THE SOUTHERN HEMISPHERE

AURIGA

E

N

W LYNX

H

With Glenn Dawes R

T

T

R

H

β

E

A

Spot the peak of the Alpha Centaurid meteor N

M36

GEMINI

T

α

shower and enjoy a view of the in Orion’s Belt

LEO MINOR LEO

Almach

Castor

α

M37

CANCER

Pollux

γ

β

When to use this chart

M35 ANDROMEDA

22nd

β

M44 Beehive M44 Sickle

The chart accurately matches the sky on the

1 Feb at 00:00 AEDT (13:00 UT)

LEO

δ

dates and times shown for Sydney, Australia.

γ

γ

25th

15 Feb at 23:00 AEDT (12:00 UT) δ

The sky is different at other times as the stars

δ

31 Feb at 22:00 AEDT (11:00 UT) crossing it set four minutes earlier each night.

X γ BERENICES

Ecliptic

Rosette Nebula Rosette

M64

Betelgeuse

COMA

CANIS MINOR CANIS

α Regulus

α

δ

M66

M86

β

α

β

FEBRUARY HIGHLIGHTS STARS AND “V” 28th

M87 Aldebaran

α

β

δ

ORION The Alpha Centaurids is one of the The three distinctive Belt stars of α

γ Winter Triangle Winter

Procyon

Alpheratz

few meteor showers that’s exclusive Orion are possibly the most easily Hyades

to the Southern Hemisphere. Active from recognised asterism visible from anywhere M60 α

M49

HYDRA

γ

δ

31 January to 20 February, its peak is in the world. From left to right (west

β

M78

st 1

VIRGO δ TAURUS

MONOCEROS

expected on the 8th. With a new Moon on to east) Mintaka (Delta (d) Orionis),

W

α

M48 ζ

the 12th, the evenings through to the early Alnilam (Epsilon ( ) Orionis) and Alnitak δ

e

ε

γ

β

M50

α

M43 Alphard

morning at peak offer dark skies. Although (Zeta (z) Orionis) are all hot stars Venus of Mirror

Sirius

γ

β

peak rates can be low (five per hour), it (O or B spectral classes). Alnilam and

CRATER

M47

γ

δ

compensates by producing bright yellow Alnitak are blue supergiants and are

α

M42 β

β

α

or blue coloured fireballs that leave trains. only dimmed to second magnitude

Rigel

ξ Ghost of Jupiter of Ghost

ρ

ANTLIA PYXIS

α

γ

The Alpha Centaurids radiant is close to by distance, about 2,000 and 1,200 γ

M41

M104 γ

PUPPIS

E

T

Celestial Equator Celestial

β Alpha ( ) Centauri and Beta ( ) Centauri. lightyears away, respectively. δ

a b A

Spica δ

δ

E

β

CORVUS γ α α δ

T

W

α

β

α LEPUS

Cr 135 Cr

ζ

THE PLANETS γ

CANIS MAJOR π

β

Ahadi

NGC 2298 NGC

The evening skies are sparse with start of twilight midmonth. Mercury

β

γ R

only Mars and Uranus on offer, both follows these outer planets into the γ

Canopus 4th setting close to 23:00 midmonth. Likewise, morning and catches up. Low in the early

ο

the morning offers little until dawn. After eastern dawn sky, these planets are seen VELA

δ ERIDANUS COLUMBA

Eta Carina Nebula last month, Saturn then Jupiter appears passing Venus; Saturn is closest on the M83

False Cross β CAELUM out of the solar glow, rising around the 6th with Jupiter and Mercury on the 14th. EQUULEUS δ

α

α CENTAURUS CARINA α R PICTOR

γ LIBRA

γ β α DEEP-SKY OBJECTS CRUX γ δ α

ε δ β α FORNAX w Cen β γ The naked-eye Pi (p) , or Move 6° west of Collinder 135 NGC 2397 β β γ δ Ahadi (RA 7h 17.1m dec. –37° 06’) is a to discover the DORADO Coal Acrux α double, offering colour contrast with mag. NGC 2298 (RA 6h 49.0m, dec. -36° 00’). Sack Tarantula Nebulaα

Jewel Box β α α α LMC +2.9 and +7.9 components, yellow and blue It is fainter (at mag. +9.3) and smaller Alpha Centaurids HOROLOGIUM β γ δ γ

α Peak 08 Feb γ R respectively, separated by 1 arcminute. than many globulars with a halo only β β δ δ Pi Puppis is also the brightest member around 3 arcminutes across and a β Hadar MENSA RETICULUM

MUSCA β γ δ

of a large open cluster, Collinder 135. Its few scattered faint stars around the Rigel Kent LUPUS α CHAMAELEON most distinctive feature is three mag. +5.0 edge. The brightness rises quickly α

δ δ blue stars (two close together) in a line to a 2-arcminute core which plateaus, β α γ South Celestial Pole

forming an isosceles triangle with Pi showing little further brightening near γ γ Achernar α γ Puppis, fitting in a 0.5° diameter circle. the centre. CIRCINUS γ OCTANS HYDRUS δ α T δ β NORMA β E T TRIANGULUMδ APUS β SMC H W E γ H A AUSTRALE α β T Chart key β T PHOENIX STAR

GALAXY DIFFUSE ASTEROID BRIGHTNESS: α γ TRACK MAG. 0 δ NEBULOSITY OPEN CLUSTER & BRIGHTER ARA METEOR β DOUBLE STAR MAG. +1 α GLOBULAR RADIANT β δ γ MAG. +2 CLUSTER VARIABLE STAR QUASAR MAG. +3 δ γ PLANETARY PAVO α COMET TRACK MAG. +4 TUCANA CORONAAUSTRALIS NEBULA PLANET & FAINTER

CHART: PETECHART: LAWRENCE

BBC Sky at Night Magazine February 2021 TH BBC Sky at Night Magazine February 2021