A Field Book of the Stars/Map of the Heavens-04-01

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THE CONSTELLATIONS OF SPRING.

 
April 01-40N-2100-Fieldbook of Stars-025.jpg

Map showing the principal stars visible from Lat. 40° N. at 9 o'clock April 1st.


This work was published before January 1, 1924, and is in the public domain worldwide because the author died at least 100 years ago.