What is a key indicator that atmospheric seeing conditions are poor?
Answer
Excessive twinkling.
Excessive twinkling is a direct visual manifestation of atmospheric turbulence affecting the light rays passing through different air layers, particularly impacting high-magnification views.
Related Questions
What three primary atmospheric factors create the best night for viewing distant galaxies?What cloud cover percentage is ideal for serious astronomical pursuit?When observing delicate deep-sky objects, what is the ideal lunar cycle condition?What is the astronomical term for atmospheric turbulence causing stars to appear to boil or shimmer?What common issue can cause poor viewing conditions even on a clear summer night in coastal or subtropical regions?What is a key indicator that atmospheric seeing conditions are poor?What temperature range is often cited as manageable for observers, balancing comfort and atmospheric conditions?What crucial pre-observation step helps prevent condensation on optics when moving a telescope into cold air?What measurement scale is used to assess the artificial light interference at an observing site?What specific factor should observers check in a specialized forecast that might be missed on a standard local weather outlook?When analyzing a forecast that shows conditions improving late but degrading early, how should an observer schedule their critical targets?