Stargazing guide
Stargazing in O Mon, Can Tho City, Vietnam
O Mon, Can Tho City, Vietnam has an estimated Bortle 4–5 sky (small city). The Milky Way core is highest after dark in April, at about 51°.
How dark the sky is around O Mon, Can Tho City, Vietnam, the nearest certified dark-sky places, when the Milky Way core is visible, and the next dark New Moon. Calculated for 10.11°, 105.62°.
Estimated sky glow
Milky Way core
Next New Moon
Dark-sky rating for O Mon
O Mon, Can Tho City, Vietnam is a small city (population about 129,683). A place this size typically has a rural to suburban transition: the Milky Way core can be glimpsed on clear, moonless nights. That is an estimate of Bortle class 4–5 from population, not a measurement: the real value depends on the exact spot you observe from.
For a measured reading at any point, open the live Dark Sky map.
Nearest dark-sky places and observatories
No certified dark-sky place or observatory in our registry lies within 150 km of O Mon. Our list only includes genuine, publicly documented sites, so none is shown rather than guessed.
Milky Way season in O Mon
The bright core of the Milky Way climbs high above the horizon haze. It climbs at least 20° above the horizon during astronomical darkness in February, March, April, May, June, July, August, September, October, peaking in April at about 51°.
- The north celestial pole stands 10.1° above the horizon, so stars within 10° of it never set from here.
- About 58.8% of the whole sky rises above the horizon at some point in the year from this latitude.
- The Milky Way's core in Sagittarius culminates about 50.9° up, clearing the horizon haze comfortably.
- The Large Magellanic Cloud only reaches about 10.2° altitude, so it is a low, seasonal target rather than a year-round one.
- At 5 m elevation, roughly 0% of the atmosphere's mass is already below you, which measurably reduces extinction near the horizon.
Tonight and aurora
As of October 19, 2026 (UTC) the Moon is a Waxing Gibbous at 61% illumination. Aurora at 10.1° latitude generally needs about Kp 9.0.
Nearby places
Stargazing in O Mon: common questions
Is O Mon a good place for stargazing?
O Mon, Can Tho City, Vietnam is a small city, so its typical sky is rural to suburban transition: the Milky Way core can be glimpsed on clear, moonless nights (an estimate of Bortle 4–5 from population, not a measurement). No certified dark-sky place or observatory in our registry lies within 150 km, so a dark site means driving away from the city's glow toward the darkest horizon you can reach.
When can you see the Milky Way from O Mon?
From O Mon, Can Tho City, Vietnam (10.11°, 105.62°) the Milky Way's bright core climbs at least 20° above the horizon during astronomical darkness in February, March, April, May, June, July, August, September, October. It peaks in April, reaching about 51°. Moonlight, cloud and city lights still decide what you actually see.
What is the best night this month for stargazing near O Mon?
The darkest nights fall around the New Moon. As of 2026-10-19 the Moon is a Waxing Gibbous at 61% illumination, and the next New Moon is November 9, 2026 (UTC). Pair it with a clear forecast and a site away from town lights.