![]() Likewise, you need accurate criteria for judging sky conditions when documenting unusual or borderline observations, such as an extremely long comet tail, a faint aurora, or subtle features in galaxies. Are your skies dark enough? A precise answer to this question is useful for comparing observing sites and, more important, for determining whether a site is dark enough to let you push your eyes, telescope, or camera to their theoretical limits. How dark is your sky? The relationship between light pollution and astronomy is a concern amateurs and professional astronomers alike. A fully dark adapted observer should be able to spot it under skies good enough to rate Class 4 or better on the Bortle scale. The galaxy M33 in Triangulum is a key indicator of sky conditions.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |