NIGHT SKY.--MARCH AND APRIL.

The Great Bear (_Ursa Major_) is now nearing the point overhead,

the Pointers (a and b) aiming almost directly downward toward the

Pole Star. The line from this star (a of the Little Bear, _Ursa

Minor_) to the Guardians (b and g) is now in the position of the

minute hand of a clock about 13 minutes after an hour.

_Cepheus_ lies north, low down, _Cassiopeia_ on his left, the Camelopard

above her, _Andromeda_ just setting, almost due northwest, on the left.

_Perseus_ is due northwest, rather low, the Charioteer (_Auriga_) on

his left, but higher. Setting between west and northwest we see

the Bull (_Taurus_), with the _Pleiades_ and the ruddy _Aldebaran_.

_Orion_ is almost prone in his descent toward his western grave.

The Twins (_Gemini_) are due west, in the mid-heavens; the Little

Dog (_Canis Minor_) beside them on their left, the Crab (_Cancer_)

above, the Greater Dog (_Canis Major_) below, chasing the Hare

(_Lepus_) below the horizon. Just behind the Dog the poop of the

Great Ship (_Argo_) is also setting.

The Sea Serpent (_Hydra_) now shows his full length, rearing his

head high in the south. Observe the darkness of the region around

his heart, marked by the star a, _Alfard_, the Solitary One. The

Cup (_Crater_) and Crow (_Corvus_) stand on his back.

The Sickle in the Lion (_Leo_) now stands with handle upright, due

south. Below the tail stars of the Lion we see the Virgin (_Virgo_),

with the bright _Spica Azimech_. The set of five third magnitude

stars, above, was called by the Arabs, for reasons not explained,

the "Retreat of the Howling She Dog."

Behind the Lion, due east and high up, we see _Coma Berenices_,

the hair of Queen Berenice, between which and the tail of the Great

Bear we see in the chart one star only of the Hunting Dogs (_Canes

Venatici_).

The Herdsman (_Boötes_), still on his back, pursues in that striking

and effective position the Great Bear. Below the shoulder stars of

the Herdsman we see the Crown (_Corona Borealis_), near which, on

the right, low down and due east, the head of the Serpent (_Serpens_)

is rising. _Hercules_ is also rising, but in the northeast.

Lastly, the stars of the Dragon (_Draco_) can be seen curving from

between the Pointers and the Pole, round the Little Bear, then back

toward _Hercules_, the head of the Dragon, with the bright eyes,

b and g, being rather low down, and somewhat north of northeast.

[Illustration: MAP IV. NIGHT SKY.--MARCH AND APRIL.

At 11 o'clock: Mar. 8. | |At 9 o'clock: Apr. 7.

At 10-1/2 o'clock: Mar. 16.|At 9-1/2 o'clock:|At 8-1/2 o'clock: Apr. 14.

At 10 o'clock: Mar. 23. | Mar. 30. |At 8 o'clock: Apr. 22.

Stars of the first magnitude are eight-pointed; second magnitude,

six-pointed; third magnitude, five-pointed; fourth magnitude (a

few), four-pointed; fifth magnitude (very few), three-pointed.

For star names refer to page 4.]

[Illustration: MAP V. NIGHT SKY.--APRIL AND MAY.

At 11 o'clock: Apr. 7. | |At 9 o'clock: May 7.

At 10-1/2 o'clock: Apr. 14.|At 9-1/2 o'clock:|At 8-1/2 o'clock: May 15.

At 10 o'clock: Apr. 22. | Apr. 30. |At 8 o'clock: May. 22.

Stars of the first magnitude are eight-pointed; second magnitude,

six-pointed; third magnitude, five-pointed; fourth magnitude (a

few), four-pointed; fifth magnitude (very few), three-pointed.

For star names refer to page 4.]

Half-Hours with the Stars A Plain and Easy Guide to the Knowledge of the Constellations · 第 15 / 24 题