Category: Science - Physics

A Plan for Securing Observations of the Variable Stars

Pickering, Edward C. (Edward Charles), 1846-1919· 2 chapters· 4,495 words

FOR several reasons the investigations here proposed are especially suited to observers under very various conditions. The work is capable of indefinite sub-division. Small as well as large telescopes may be employed and many observations are needed which can best be made with...

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Chapters

1. Part 1

FOR several reasons the investigations here proposed are especially suited to observers under very various conditions. The work is capable of indefinite sub-division. Small as w...

2. Part 2

A general statement should be made each evening of the condition of the sky, as "clear," "hazy," "passing clouds," etc. The time of beginning and ending work should also be note...