Abstract
Solar rotation rates can be measured from changes in sunspot positions. In this paper, we propose using digital camera images taken with small telescopes to determine the solar rotation rate at different heliographic latitudes. This low-cost practical experiment can be performed easily by undergraduate students, introducing them to topics related to solar physics. The data obtained in this work from the analysis of sunspots observed in 2010, 2011 and 2012 were compared with current models of solar rotation, showing good agreement.
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