A 



JOURNAL 



OF 



NATURAL PHILOSOPHY, CHEMISTRY, 



AND 



THE ARTS 



JANUARY, 1808. 



ARTICLE I. 



An Account of the relative Situations of the different Stars, 

 by ichich the principal Constellations may be distinguisJied. 

 From la Lande's Astronomy, third Edition, Art. 743, 

 $c*. k 



JL HE great Bear is a constellation, which is always visi- 

 ble, it is easily known from the seven stars of which it con- J constella? 

 J ti >ns visible at 



aists (see PI. I, Fig. 1). Four of them are in the body and all times. 



three in the tail ; and the two farthest from the tail a and £ Ursa Major. 

 are called the pointers, because a line drawn from 6 to a, if 

 produced, witl pass on to the pole star, which is about as 

 far from a as a is from ??. The convex side of the tail is 

 turned toward the pole. 



Cassiopeia is opposite to the great Bear, the polar star Cassiopeia, 

 lying between them, so that if a line be drawn from s Ursa* 



* The following paper is a free translation of all that part of Mr. la 

 Landed work, -which can be of most service to those, who have not the 

 advantage of any astronomical instruments, by which they may measure 

 angles, or take observations on the meridian. At the same time, how- 

 ever, that I endeavoured to render the meaning as precisely as I could, I 

 tbought myself at liberty to make any small alteration, which would 

 rftore clearly point out the sense of the passage, or adapt it to the use of 

 the English reader. 



N. R.D. 



Vol. XIX— Jan* 1808. B Majoris 



