It will help if How to use code fences instead of quotes.
2019-04-02 06:40:37.760 [vent.ChannelTriggeredEvent] - astro:sun:local:rise#event triggered START
The events.log shows that Astro did work correctly. The trigger is there.
You don’t show openhab.log. Is the "The sun came up” log entry not there at 06:40:37?
Though I should note these logs are for yesterday. Do you have no logs for today?