Combining 15s interval whole-sky-camera photos to form 4y spanning keogram
https://mastodon.social/@cgbassa@astrodon.social/113770319976414165
https://astrodon.social/@cgbassa/113770318993975063
https://news.ycombinator.com/item?id=42595190
Cees Bassa πŸ‘οΈ πŸ‘οΈ
@cgbassa

* all-sky camera taking image of sky above Netherlands ev. 15 seconds, for 4 yrs
* combined images reveal
length of night changing throughout year
passage of clouds
motion of the Moon & Sun through sky

https://en.wikipedia.org/wiki/Keogram

#Astrodon #astronomy #CitizenScience #photography #keogram #CeesBassa #astrophotography

Cees Bassa (@[email protected])

Attached: 1 image For the 4th year in a row, my all-sky camera has been taking an image of the sky above the Netherlands every 15 seconds. Combining these images reveal the length of the night changing throughout the year, the passage of clouds and the motion of the Moon and the Sun through the sky. #astrophotography

Astrodon - The Astro Community

The device has a #RaspberryPi HQ camera with a 120-degree wide-angle lens. The software is called indi-allsky (https://github.com/aaronwmorris/indi-allsky) and it's really great as it automatically produces star trails and keograms like the ones below.

#startrails #keogram

@Raspberry_Pi

GitHub - aaronwmorris/indi-allsky: Software to manage a Linux-based All Sky Camera.

Software to manage a Linux-based All Sky Camera. Contribute to aaronwmorris/indi-allsky development by creating an account on GitHub.

GitHub

AllSkyCam showing bonnie star trails from last night & the Keogram revealing a wee auroral outburst early in the morning

#startrail #keogram #Aurora #Auroraborealis #NorthernLights