The astronomical term used to denote our atmosphere's influence on image quality.
a measure of the amount of turbulence of the air. When the seeing is ``good'', the amount of turbulence is small and the images are steady (little twinkling). ``Poor'' seeing occurs when the atmosphere is turbulent so the images shimmer and dance around (more twinkling).
The unsteadiness of the Earth's atmosphere, which blurs telescopic images. Good seeing means the atmosphere is steady.
Seeing refers to the steadiness of Earth's atmosphere.
Seeing conditions refer to the steadiness of the atmosphere. Seeing is critical for obtaining sharp images and is especially critical for planetary imaging. In fact, it is the single more important factor in capturing good planetary images. Seeing is often confused with transparency. Transparency is the clarity of the atmosphere, but has nothing to do with the steadiness of the air. In fact, the two are generally mutually exclusive. Nights of good transparency (dark, clear nights) often have poor seeing. And the steadiest skies often come on hazy nights of lousy transparency.
One of three measurements of observing conditions. Seeing refers to atmospheric steadiness and its impact on a telescope's ability to resolve fine detail. Good seeing describes conditions where the air is steady and high magnification produces stable, well-defined views. Poor seeing describes conditions where the air is turbulent and telescopic images are only sporadically stable.
A general term to describe the stillness or turbulence of the atmosphere. "Good Seeing" or still air will allow a distortion-free view at high magnifications, where with "Poor Seeing" or turbulent air a highly magnified view will appears to "boil." Twinkling stars is a sign of poor seeing.
the quality of observing conditions induced by turbulence in Earth’s atmosphere, which blurs the images of astronomical objects
See "atmospheric seeing".
The amount of turbulence in the atmosphere; often highly variable.
Atmospheric condition on a given night. When the atmosphere is unsteady, producing blurred images, the seeing is said to be poor.