Image:Sun projection with spotting-scope v0.jpg

വിക്കിപീഡിയ, ഒരു സ്വതന്ത്ര വിജ്ഞാനകോശം.

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  • Description: Ocular projection of the sun with a few sunspots using a spotting scope (50mm diameter, 45x magnification) and a sheet of paper (resp. the white inside of a book cover). The apparent granulation is due to that of the paper rather than the photospheric granulation. This photo is taken one month before the Image:Sun projection with spotting-scope large.jpg and with less technical experience. Therefore it is rather an example for amateur astrophotography than a scientific document or art. In contrast to the later picture it has not been erected but shows the sun as it appeared on the paper (upside down). Cropped but not downscaled since >1024 size is recommended in Wikipedia.
  • Site and date: Bonn, June 22, 2004, late afternoon
  • Instruments and Software: 15-45x 50mm spotting scope, digital camera, The GIMP
  • Photographer: SiriusB
  • Other version(s): Image:Sun projection with spotting-scope large.jpg (30 days later, large sunspots, better quality)

[edit] Licensing

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