Søren Larsen
@soerenlarsen.bsky.social
Astronomer at Radboud University. Studying nearby galaxies with ESA's Euclid mission. Member of the ELT/MOSAIC consortium. Doing astrophotography for fun.
Happy (northern) winter solstice to all who celebrate!
December 21, 2025 at 3:05 PM
Happy (northern) winter solstice to all who celebrate!
So I did a thing - you can now read Johannes Kepler's book Dioptrice in an English translation. Here Kepler offered the first theoretical account of how a telescope works, among other things. Published open access:
books.radbouduniversitypress.nl/index.php/ru...
#astronomy #optics #telescopes
books.radbouduniversitypress.nl/index.php/ru...
#astronomy #optics #telescopes
Dioptrice
| Radboud University Press
books.radbouduniversitypress.nl
May 19, 2025 at 2:10 PM
So I did a thing - you can now read Johannes Kepler's book Dioptrice in an English translation. Here Kepler offered the first theoretical account of how a telescope works, among other things. Published open access:
books.radbouduniversitypress.nl/index.php/ru...
#astronomy #optics #telescopes
books.radbouduniversitypress.nl/index.php/ru...
#astronomy #optics #telescopes
Venus today at 14:21 CET. Nikon D80 and 6" Newton w. 26 mm eyepiece. 1/500 sec
#Venus #astrophotography #astronomy
#Venus #astrophotography #astronomy
March 16, 2025 at 3:16 PM
Venus today at 14:21 CET. Nikon D80 and 6" Newton w. 26 mm eyepiece. 1/500 sec
#Venus #astrophotography #astronomy
#Venus #astrophotography #astronomy
March 6, 2025 at 8:38 PM