Your favorite way to kick off the new semester… The second edition of the Astroborrel happened February 4th starting at 17:00 in De Fusie!!! ๐ซ ๐ This Astroborrel, we had a special surprise for you… The committee announced the theme of the 2026 Spring Lectures!๐ป Go check out the spring lectures this year: “One in…
Read more
Observing night: Werewolves edition! ๐บ๐ Beneath the (almost) full moon on January 27th, the Observity committee is hosting a thrilling night of stargazing combined with a game of Werewolves. ๐๐ญ Gather your friends for this exciting evening at the Old Observatory from 19.00 onwards. โจ But beware, as no one is to be trustedโฆ We…
Read more
On January 21 we went for an afternoon of ice skating! We met at IJshal de Vliet at 13:30. Whether you’re a beginner or an experienced ice skater, everyone is welcome to join. You can rent skates at the ice rink. Note that it is mandatory to wear gloves and a helmet. Helmets can be…
Read more
We kicked off 2026 with a very fresh start! ๐๐ On January 13th, we rung in the New Year by making a New Years Dive into the icy waters at Katwijk!โ๏ธ We gathered at 15:00 at the Gorlaeus building and took the bus to Katwijk. After the plunge, we dried off and warmed up at…
Read more
Observing night December 8/9/10th! ๐ญ๐ Need a break from all your studying for your upcoming exams? Join us for a chill night of stargazing accompanied by a mug of hot chocolate โ๏ธ on December 8, 9 or 10th from 19.00h onwards! We will be deciding on the date at the end of next week. If…
Read more
Astronomy talks for Kaiser members, by Kaiser members!! โจ Curious to see what your fellow students are up to? On Thursday the 4th of December in the Old Observatory in Leiden from 18:00 (walk-in 17:30), Yannick will gave a talk on the moons of free-floating planets and Paul will told us all about radio bursts…
Read more
Join us on Monday November 24th at 19.00h in the Old Observatory for the first observing night from the new Observity Committee! ๐ซ Come by to stargaze and have a chat with other staff and members! If the skies are clear, Jupiter, Saturn and Andromeda will be visible ๐ช Otherwise we have a very nice…
Read more
“Ready or not, here I comeโผ” A night to remember at the Old Observatory๐ Some people are always lost around the Old Observatory, and others knew just where to look! We explored all the nooks and crannies of this building, I hope we found everyone at the end! ๐ฑ๐โโ๐จ
Sint Maarten, Sint Maarten, the cows have tails, the girls are wearing skirts, and the astronomers are crafting lanterns!๐ฎ๐ On Monday the 10th of November, we celebrated the holiday of Sint Maarten together by crafting our own lanterns ๐ฏ
The gates opened November 6th at 19:00 for those brave enough to enter. Those who made it out alive trembled with fear as they told us how they moved past the entities that were occupying the building. However, they managed to solve the puzzles laid out by Frederik Kaiser. His spirit seems to be at…
Read more