tähtipohjaisena

Tähtipohjaisena is a Finnish term that describes something based on stars. This can refer to various concepts, often in astronomy, navigation, or even in a more metaphorical sense. In astronomy, a star-based observation or catalog would be one that relies on the positions and characteristics of stars. For instance, historical star charts were fundamentally tähtipohjaisena.

When used in navigation, tähtipohjaisena implies using celestial bodies, particularly stars, to determine one's position. Celestial navigation, a traditional method of finding one's location using a sextant to measure the angles of celestial objects above the horizon, is a prime example of a tähtipohjaisena technique. Sailors and aviators have historically relied on this method.

The term can also extend to other fields. For example, in astrophotography, images are described as tähtipohjaisena if they are captured by focusing on stars or using stellar data as a reference. It can also be used in a figurative or artistic context to describe something inspired by or resembling the night sky and its stars. The core idea remains a foundation or reference point derived from celestial stars.