Stargazing guide
Stargazing in London, England, United Kingdom
London, England, United Kingdom has an estimated Bortle 7–9 sky (large metropolitan area). The Milky Way core never climbs 20° above the horizon during astronomical darkness from here.
How dark the sky is around London, England, United Kingdom, the nearest certified dark-sky places, when the Milky Way core is visible, and the next dark New Moon. Calculated for 51.51°, -0.13°.
Estimated sky glow
Milky Way core
Next New Moon
Dark-sky rating for London
London, England, United Kingdom is a large metropolitan area (population about 14,300,000). A place this size typically has a bright inner-city sky: only the Moon, planets and the brightest stars show from inside the urban core. That is an estimate of Bortle class 7–9 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
- Royal Observatory Greenwich · observatory · about 9 km away
Milky Way season in London
The Milky Way's bright core never climbs 20° above the horizon during astronomical darkness from London; the fainter band is still visible from a dark site.
- The north celestial pole stands 51.5° above the horizon, so stars within 52° of it never set from here.
- About 89.1% 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 9.5° up, staying low, so a clear southern horizon matters.
- At 25 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 59% illumination. Aurora at 51.5° latitude generally needs about Kp 5.1.
Nearby places
Stargazing in London: common questions
Is London a good place for stargazing?
London, England, United Kingdom is a large metropolitan area, so its typical sky is bright inner-city sky: only the Moon, planets and the brightest stars show from inside the urban core (an estimate of Bortle 7–9 from population, not a measurement). The nearest certified dark-sky place or observatory in our registry is Royal Observatory Greenwich, about 9 km away.
When can you see the Milky Way from London?
From London, England, United Kingdom the Milky Way's bright core never climbs 20° above the horizon during astronomical darkness at any time of year, so the best views are of the fainter parts of the band.
What is the best night this month for stargazing near London?
The darkest nights fall around the New Moon. As of 2026-10-19 the Moon is a First Quarter at 59% illumination, and the next New Moon is November 9, 2026 (UTC). Pair it with a clear forecast and a site away from town lights.