1935•Publications of the Astronomical Society of the PacificOpen access

Sun-Spot Activity during 1934

Seth Barnes Nicholson, Elizabeth E. Sternberg

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Abstract

During the calendar year 1934, solar observations were made at Mount Wilson on 326 days, on 140 of which no spots were visible.The monthly means of the number of groups observed daily for the last three years are shown in the accompanying table.

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During the calendar year 1934, solar observations were made at Mount Wilson on 326 days, on 140 of which no spots were visible.The monthly means of the number of groups observed daily for the last three years are shown in the accompanying table.

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Available abstract

During the calendar year 1934, solar observations were made at Mount Wilson on 326 days, on 140 of which no spots were visible.The monthly means of the number of groups observed daily for the last three years are shown in the accompanying table.

Key concepts: Southern Hemisphere, Northern Hemisphere, Latitude, Annual cycle, Climatology, Western hemisphere, Atmospheric sciences, Geography

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