Stargazing from Ottawa

Ottawa, in Canada, is high enough that summer nights never get fully astronomically dark, but in autumn and winter you get genuine darkness from about 21:30 until dawn.

Common questions

What planets are visible tonight from Ottawa?

None of the bright naked-eye planets (Mercury, Venus, Mars, Jupiter, Saturn) rise above 10° tonight from Ottawa. That's normal — planet visibility cycles roughly every 1–2 months per planet.

What time does the sun set in Ottawa tonight?

Sunset in Ottawa tonight is at 20:39. Astronomical twilight (when the sky is fully dark) begins later.

Can I see the ISS from Ottawa tonight?

Not tonight — there are no ISS passes above 20° altitude in your viewing window. Passes happen roughly every 90 minutes when the orbit lines up, so check again tomorrow.

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