# Flow of time

- By: Nerenisa (Александра Галдина)
- Date: 2021-10-29
- Classification: Photograph
- Museum: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Flow_of_time.jpg)
- Rights: [CC BY 4.0](https://creativecommons.org/licenses/by/4.0)
- Picture: https://invisiblenetwork.ai/thumbs/commons/thumb/a/a1/Flow_of_time.jpg/1920px-Flow_of_time.jpg
- Who can see it: Kids profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)

The photo is formed from 4 photos with an exposure of 15:00 minutes for the effect of tracking stars. In the foreground of the photograph is the tower of the telescope RC600 (60-cm reflector Richi-Chrétien) of the Caucasian mountain observatory SAI Moscow State University. Photo taken in the autumn of 2021.