Several halo forms - 17.3.2023 at 09.00 - 17.3.2023 at 15.00 Joutsa
Observation number 113537
All day outside work and at the same time we followed the development of the halos. In the morning 22r and later 22r was joined by 22ys and a very dim horizon ring.
The weather in the morning was -10 degrees and very warm during the day, the eaves were dripping and gloves were no longer needed for outdoor work. A lone swan was seen.