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Ko Hummel

Ko Hummel club

Posted: 02 Jul 2019

Taken: 09 Jul 2013

12 favorites     9 comments    190 visits

1/1000 • 0.0 mm • ISO 100 •

Canon EOS 400D DIGITAL

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Aparrent size of the Sun

Aparrent size of the Sun
two images at two different dates subtracted, showing that on october 25 the image of the Sun is larger than on july 7. This shows that the earth orbit around the Sun is not a perfect circle with the Sun in it's centre. This can be improved by taking pictures at july 4 2019 (furtherst away, aphelion) and january 7 2020 (nearest, perihelion). Is on the to-do-list

Gudrun, Ruesterstaude, Gisela Plewe, Erhard Bernstein and 8 other people have particularly liked this photo

9 comments - The latest ones
 tiabunna
tiabunna club
Wow! I'm totally impressed, Ko. What filter were you using?
5 years ago.
Ko Hummel club has replied to tiabunna club
a foil that is blocking 99% of the sunlight, it is not a special wavelength interval. Same material that is used for eclips spectacles
5 years ago. Edited 5 years ago.
 ROL/Photo
ROL/Photo club
WAOUHHH tu est un vrai spécialiste bravO.......!, Ko
et merci pour ce partage très intéressant pour moi
5 years ago.
 LutzP
LutzP club
...really amazing, Ko. Thanks for posting!
5 years ago.
 Ulrich John
Ulrich John club
Großartig, Ko !
5 years ago.
 Ernst Doro
Ernst Doro club
quod erat demonstrandum
5 years ago.
 Erhard Bernstein
Erhard Bernstein club
Tolle Idee!
5 years ago.
 Ruesterstaude
Ruesterstaude club
Du bist ein fähiger Astronom, Ko!
5 years ago.
 Gudrun
Gudrun club
Klasse, so kann das selbst der blutigste Laie nachvollziehen!
5 years ago.

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