On 03/02/2026 22:29, Maetes wrote:
> Maybe use bound_20 (top-left in the select-box).
> Thats the epoch, bounds_18 means 1875.
> 
> They are slightly different.
> https://en.wikipedia.org/wiki/Epoch_(astronomy)#Epochs_and_periods_of_validity
> 
Thanks for the suggestion, this man provides more details about
this subject: https://pbarbier.com/constellations/boundaries.html

Probably I need to dive deeper into astronomy and need a good book for
beginners. School lessons are not enough and were too many years ago ...
--
YB

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