Stargazing guide
Stargazing in Long Xuyen, An Giang, Vietnam
Long Xuyen, An Giang, Vietnam has an estimated Bortle 5–6 sky (mid-sized city). The Milky Way core is highest after dark in April, at about 51°.
How dark the sky is around Long Xuyen, An Giang, Vietnam, the nearest certified dark-sky places, when the Milky Way core is visible, and the next dark New Moon. Calculated for 10.39°, 105.44°.
Estimated sky glow
Milky Way core
Next New Moon
Dark-sky rating for Long Xuyen
Long Xuyen, An Giang, Vietnam is a mid-sized city (population about 286,140). A place this size typically has a bright suburban sky: main constellations are easy, the Milky Way is washed out. That is an estimate of Bortle class 5–6 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 Long Xuyen. Our list only includes genuine, publicly documented sites, so none is shown rather than guessed.
Milky Way season in Long Xuyen
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 10.4° above the horizon, so stars within 10° of it never set from here.
- About 59% 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 50.6° up, clearing the horizon haze comfortably.
- The Large Magellanic Cloud only reaches about 9.9° altitude, so it is a low, seasonal target rather than a year-round one.
- At 8 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 First Quarter at 54% illumination. Aurora at 10.4° latitude generally needs about Kp 9.0.
Nearby places
Stargazing in Long Xuyen: common questions
Is Long Xuyen a good place for stargazing?
Long Xuyen, An Giang, Vietnam is a mid-sized city, so its typical sky is bright suburban sky: main constellations are easy, the Milky Way is washed out (an estimate of Bortle 5–6 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 Long Xuyen?
From Long Xuyen, An Giang, Vietnam (10.39°, 105.44°) 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 Long Xuyen?
The darkest nights fall around the New Moon. As of 2026-10-19 the Moon is a First Quarter at 54% illumination, and the next New Moon is November 9, 2026 (UTC). Pair it with a clear forecast and a site away from town lights.