Thank you, Shokomon!
Link to Shokomon's post with a handy overview of all the moon phases and probabilities.
So, here is what we know:
And here are some fun facts by Corteo himself:
Actually, I've been planning to make charts for new spreadsheet for some time now and today I finally found some time to do that.
There're 1378 Lumina eggs reported on old sheet and 1113 on new one.
Old (first) vs. new (second) sheet based charts for Cirion cycle:
Light Luminae caught or seen in biomes:
Light Luminae bred:
Dark Luminae caught or seen in biomes:
Dark Luminae bred:
Old and new charts for Light Lum