OBSERVATORY / CANADA
Rothney Astrophysical Observatory
Priddis, Alberta, Canada
50.8681° N · 114.2909° W
Calculated for September 21, 2026 (America/Edmonton · UTC-06:00 at calculation).
Tonight's Moon
Waxing Gibbous · 74% illuminated
Moonrise 17:56 · Moonset 01:12
Times are for local date 2026-09-21.
The Moon image shows its phase, not its orientation in the local sky.
Facility-local time (America/Edmonton · UTC-06:00 at calculation). These are astronomical event times, not venue hours.
Visit information
Working research facility, open to visitors only during scheduled public events. A pre-purchased ticket is required to enter the site.
Hours, prices, reservations and weather can change. Check the official venue information before travelling.
Record checked 2026-09-21. Source ↗ · Coordinate source ↗
The dark part of the night
Astronomical night is shown in separate facility-local intervals for 2026-09-21 evening through the following morning.
- 21:45 (UTC-06:00) — Sep 22 · 05:15 (UTC-06:00)
Moon-free intervals within that night:
- Sep 22 · 02:30 (UTC-06:00) — Sep 22 · 05:15 (UTC-06:00)
The chart shows astronomical twilight, Moon altitude and geometric planet positions. It does not describe venue access, weather, haze, light pollution or local obstructions.