ASTRONOMICAL NOTES FOR APRIL, 1S82. 753 



It will be visible in the west during the entire month, constantly increasing 

 in brilliancy. It will appear nearly round in the telescope. 



MARS. 



Declination N. M. T. of Meridian Transit. 

 25° 13' 6h. [2m. P. M. 



24 16 5 45 



22 50 5 19 



Semi-diameter on the ist, 3.8"; on the 30th, 3.1". 



It will be in the constellation Gemini, during the entire month. On the 

 26th it will be in line with Castor and Pollux, at the same distance south of Pol- 

 lux that Castor is north. 



JUPITER. 

 Date. Right Ascension. Declination N. M. T. of Meridian Transit. 



iSt. - 3h. 33m. 18° 31' 2h. 53m. P. M. 



15th. 3 45 19 13 2 10 



30th. 3 59 19 57 I 25 



Semi-diameter on the ist, 16.5"; on the 30th, 15.8". 

 It will be in Taurus and too near the sun to be observed well. 



Semi-diameter on the ist, 7.8"; on the 30th, 7.7". 



Elevation of the earth above the plane of the ring 21°. It will be too near 

 the sun to be observed. 



URANUS. 



Date. Right Ascension. Declination N. M. T. of Meridian Transit. 



iSt. iih. 7m. 6° 29' loh. 27m. P. M. 



30th. 114 6 47 8 29 



It will be in a very favorable position for observation, being in the constel- 

 lation Leo near its eastern edge. The bright star Regulus in the same constella- 

 tion will be 16° west and 6° north of Uranus, and will guide an observer in find- 

 ing it. The light we receive from this planet is only equal to a star of the sixth 

 magnitude, and it will require a good eye to find it. 



NEPTUNE 



Will be too near the Sun to be observed during the month. 



