Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981a%26a....95..366g&link_type=abstract
Astronomy and Astrophysics, vol. 95, no. 2, Mar. 1981, p. 366-372.
Astronomy and Astrophysics
Astrophysics
34
Astronomical Photography, Brightness, Image Reconstruction, Penumbras, Solar Flux Density, Sunspots, Data Reduction, Fourier Transformation, Luminous Intensity, Power Spectra
Scientific paper
From a set of high quality sunspot photographs the intensity
distribution in the penumbrae as well as mean intensities and rms
contrast were derived. For image restoration a Fourier technique was
employed. The intensity distribution was found to be almost symmetrical
and singly peaked.
Grossmann-Doerth Ulrich
Schmidt Wolfram
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