How do you use our Sky Clock (or the thumbnail
It's basically set up so that you look for times where all 4 of the top rows (or
the two showing on the page banner above) have the darkest colors
together. That would give you the least cloud cover, best transparency,
best seeing, and darkness all at the same time. For more information go to
Need an email reminder when it'll be good
If you are like me, this is helpful. If you are interested, go to ClearSkyAlarmClock.
I have the emails sent to my cellphone, so I always get them.
Clear Sky Clock used with permission