Stargazing guide
Stargazing in San Blas-Canillejas, Madrid, Spain
San Blas-Canillejas, Madrid, Spain has an estimated Bortle 4–5 sky (small city). The Milky Way core is highest after dark in June, at about 21°.
How dark the sky is around San Blas-Canillejas, Madrid, Spain, the nearest certified dark-sky places, when the Milky Way core is visible, and the next dark New Moon. Calculated for 40.44°, -3.62°.
Estimated sky glow
Milky Way core
Next New Moon
Dark-sky rating for San Blas-Canillejas
San Blas-Canillejas, Madrid, Spain is a small city (population about 157,367). 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 San Blas-Canillejas. Our list only includes genuine, publicly documented sites, so none is shown rather than guessed.
Milky Way season in San Blas-Canillejas
The bright core of the Milky Way stays low, so you need a clear southern or northern horizon. It climbs at least 20° above the horizon during astronomical darkness in April, May, June, July, peaking in June at about 21°.
- The north celestial pole stands 40.4° above the horizon, so stars within 40° of it never set from here.
- About 82.4% 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 20.6° up, staying low, so a clear southern horizon matters.
- At 663 m elevation, roughly 8% of the atmosphere's mass is already below you, which measurably reduces extinction near the horizon.
Tonight and aurora
As of November 6, 2026 (UTC) the Moon is a Waning Crescent at 8% illumination. Aurora at 40.4° latitude generally needs about Kp 8.9.
Nearby places
Stargazing in San Blas-Canillejas: common questions
Is San Blas-Canillejas a good place for stargazing?
San Blas-Canillejas, Madrid, Spain 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 San Blas-Canillejas?
From San Blas-Canillejas, Madrid, Spain (40.44°, -3.62°) the Milky Way's bright core climbs at least 20° above the horizon during astronomical darkness in April, May, June, July. It peaks in June, reaching about 21°. Moonlight, cloud and city lights still decide what you actually see.
What is the best night this month for stargazing near San Blas-Canillejas?
The darkest nights fall around the New Moon. As of 2026-11-06 the Moon is a Waning Crescent at 8% illumination, and the next New Moon is November 9, 2026 (UTC). Pair it with a clear forecast and a site away from town lights.