Variation of the apparent size of the Sun visualized with basic photographic equipment

Peter Trillenberg

doi:10.1119/1.5119510

Variation of the apparent size of the Sun visualized with basic photographic equipment

Peter Trillenberg^*

^*Corresponding author for this work

Department of Neurology

1 Citation (Scopus)

Abstract

Due to the elliptic shape of Earth's orbit around the Sun, the apparent diameter of the Sun varies throughout the year. With digital analysis of a number of images at a given date, the effect can be demonstrated with a digital single lens reflection camera (DSLR) and a standard telephoto lens even over a few days. In the analysis, the influence of image brightness and atmospheric refraction on apparent Sun size and shape have to be removed to reach the accuracy that is required.

Original language	English
Journal	American Journal of Physics
Volume	87
Issue number	10
Pages (from-to)	839-845
Number of pages	7
ISSN	0002-9505
DOIs	https://doi.org/10.1119/1.5119510
Publication status	Published - 01.10.2019

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This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 3 Good Health and Well-being
SDG 10 Reduced Inequalities

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Academic Focus: Center for Brain, Behavior and Metabolism (CBBM)

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10.1119/1.5119510

Cite this

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abstract = "Due to the elliptic shape of Earth's orbit around the Sun, the apparent diameter of the Sun varies throughout the year. With digital analysis of a number of images at a given date, the effect can be demonstrated with a digital single lens reflection camera (DSLR) and a standard telephoto lens even over a few days. In the analysis, the influence of image brightness and atmospheric refraction on apparent Sun size and shape have to be removed to reach the accuracy that is required.",

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AB - Due to the elliptic shape of Earth's orbit around the Sun, the apparent diameter of the Sun varies throughout the year. With digital analysis of a number of images at a given date, the effect can be demonstrated with a digital single lens reflection camera (DSLR) and a standard telephoto lens even over a few days. In the analysis, the influence of image brightness and atmospheric refraction on apparent Sun size and shape have to be removed to reach the accuracy that is required.

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Variation of the apparent size of the Sun visualized with basic photographic equipment

Abstract

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