It's all about the light.

Recent posts

Skyfire: new forecasts available (and new coverage in beta)

The Skyfire team has been on a roll these past few months and we're happy to be able to share some of the fruits of all that hard work. Today, Photo Ephemeris Web has been updated to version 3.1 with a number of additions for Skyfire Plus subscribers:

The Selenelion Challenge

You've probably read: there's a lunar eclipse coming up next week on Nov 7/8 (depending on your location). It will be visible in the Americas, across the Pacific, and in east Asia, Australia, NZ. Sorry Europe, Africa...

Photo Ephemeris Web 3.0 released

Photo Ephemeris Web 3.0 is released today! The major change is that Skyfire is now available in the web app. Here are the key points:

I just upgraded to PRO. What's next?

Congratulations! You've just upgraded to Photo Ephemeris Web Pro. What next? You have a wealth of new features at hand. This post makes a few suggestions on what to check out first.

Updates to

We've made a few improvements to our status page at Here are the key changes:


Older posts