Understand the glow around you

Light pollution

Estimate your Bortle class, understand what city glow hides, and explore potentially darker nearby areas.

Your observing point
LOCAL

Artificial skyglow

How dark is your sky?

Population estimate
Estimated Bortle classBucharest
B8
Class 8 of 9

City sky

Deep-sky observing is severely limited.

123456789
Dark-sky score15/100
Faintest naked-eye star4.1 mag
Milky WayNot visible
Artificial glowVery heavy glow
What this changes

Clear does not always mean dark.

City light scatters through the atmosphere and lowers contrast, even with zero clouds. It now acts as a ceiling on the total score, so perfect weather cannot make a bright city sky behave like a dark rural one.

Still worth seeing

The Moon, planets, double stars, and bright clusters.

Most affected

Galaxies, nebulae, the Milky Way, and faint meteors.

Estimated from the population of Bucharest; local lighting can change the real value by several classes. This is an honest planning estimate, not a live satellite measurement.