If you’ve been following this blog, you know I write a lot about Isis as Lady of the Holy Star. In my area, Portland, Oregon, Her heliacal rising is a week from today.

I will be in my local high place (I am fortunate to have one near my home), awaiting Her reappearance with offerings in hand at 4:30 in the morning. I will watch as the Mystery unfolds and the Goddess emerges once more from the Underworld into the dawning light.

But for now, I watch the morning skies in anticipation of the pre-dawn reappearance of the beautiful and brilliant star of Isis, Sirius.

Thanks to the wonders of modern online astronomical calculators, we can know pretty precisely when the Fair Star of the Waters will rise before the sun in our area. (To use the calculator, just enter your email and the password: softtests. You will need…