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Nov 17, 2018 · the catalog lists all the stars of stellar magnitude 6.5 (see notes 1) or brighter, which is roughly every star visible to the naked eye from Earth. The catalog contains 9,110 objects, of which 9,095 are stars, 11 are novae or supernovae, and 4 are non-stellar objects.
Sep 13, 2023 · How many stars could you see with your unaided eye? There’s really no definitive answer to this question. No one has counted all the stars in the night sky, and astronomers use different numbers...
Sep 17, 2014 · It tabulates every star visible from Earth to magnitude 6.5, the naked eye limit for most of humanity. You might be in for a surprise when you read it, though. To answer the question, "How many stars in the sky?" The total comes to 9,096 stars visible across the entire sky. Both hemispheres.
The Yale Bright Star Catalogue lists 9,110 of what it considers “naked eye visible stars” above this magnitude. Some stars are as old as 13.8 billion years - as old as the Universe itself - meaning that when you gaze up at the night sky, you're peering back to the early Universe.
Theoretically, in a typical dark sky, the dark adapted human eye would see the about 5,600 stars brighter than +6 m [6] while in perfect dark sky conditions about 45,000 stars brighter than +8 m might be visible. [4]
In the best sky conditions, the naked eye (with effort) can see objects with an apparent magnitude of 8.0. This reveals about 43,197 objects in the sky. There are 9 galaxies visible to the naked eye that you might see when observing the sky, and there are about 13 nebulae that you might see.
If we count all the magnitude 6 stars we can see, using the database in SkySafari 6 Pro, we learn that there are 5,126, i.e. only 60 or so stars visible to the naked eye are more than 3,000 light-years away.
