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Betelgeuse is so bright that it can be seen with the naked eye, but Masi recommends viewing this event with binoculars or a telescope. The occultation: A scientific opportunity
The constellation Corona Borealis as it can be seen by the naked eye. Alpha Coronae Borealis (officially named Alphecca by the IAU, but sometimes also known as Gemma) appears as a blue-white star of magnitude 2.2. [12] In fact, it is an Algol-type eclipsing binary that varies by 0.1 magnitude with a period of 17.4 days. [13]
Betelgeuse typically shows only small brightness changes near to magnitude +0.5, although at its extremes it can become as bright as magnitude 0.0 or as faint as magnitude +1.6. Betelgeuse is listed in the General Catalogue of Variable Stars with a possible period of 2,335 days. [ 8 ]
The 14th magnitude asteroid was predicted to occult Betelgeuse approximately 12 seconds; Betelgeuse was expected to dim by about 3 magnitudes. [17] The prediction was at first uncertain, visible on a very narrow path on Earth's surface, its width and location being uncertain due to lack of precise knowledge of the size and path of the asteroid ...
Here’s the best time and place to see the annual meteor shower. The Geminids will light up the skies this week. Here’s the best time and place to see the annual meteor shower.
Betelgeuse is one of the best-known stars in the night sky, as well as the easiest to find. New examinations of this behemoth star suggest it is both smaller — and closer — than astronomers ...
For example, Betelgeuse has the K-band apparent magnitude of −4.05. [5] Some stars, like Betelgeuse and Antares, are variable stars, changing their magnitude over days, months or years. In the table, the range of variation is indicated with the symbol "var". Single magnitude values quoted for variable stars come from a variety of sources.
There's no need to call for Betelgeuse, because as of right now, the only place you can watch Beetlejuice Beetlejuice is at your local movie theater. While this is a bummer, fear not, our ghostly ...