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A star chart of the entire Northern Sky, centered on the north celestial pole. The northern celestial hemisphere, also called the Northern Sky, is the northern half of the celestial sphere; that is, it lies north of the celestial equator. This arbitrary sphere appears to rotate westward around a polar axis due to Earth's rotation.
The other two cover the equatorial region of the celestial sphere, from the declination of 30° south to 30° north. The two equatorial charts are mercator projections, one for the eastern hemisphere of the celestial sphere and one for the western hemisphere. Note that unlike familiar maps, east is shown to the left and west is shown to the right.
It is designated α Ursae Minoris (Latinized to Alpha Ursae Minoris) and is commonly called the North Star or Pole Star. With an apparent magnitude that fluctuates around 1.98, [ 3 ] it is the brightest star in the constellation and is readily visible to the naked eye at night. [ 15 ]
The northern lights are expected to be strongest between Friday, Jan. 31, and Saturday, Feb. 1. The best time to view them is from 10:00 p.m. and 2 a.m. local time.
All circumpolar constellations fully-visible from the North Pole See also: Category:Southern constellations and Category:Equatorial constellations Subcategories
Sunday, 5 February: The green comet will be near the star Capella in the constellation Auriga, however the full Moon may obstruct the view Details on the green comet Wednesday 1 February 2023 22: ...
An online star chart; Monthly sky maps for every location on Earth Archived 2007-09-13 at the Wayback Machine; The Evening Sky Map – Free monthly star charts and calendar for northern hemisphere, southern hemisphere, and equatorial sky watchers. Sky Map Online – Free interactive star chart (showing over 1.2 million stars up to magnitude 12)
The North polar sequence is a group of 96 stars that was used to define stellar magnitudes and colors. [1] The cluster of stars lies within two degrees of the Northern Celestial pole. [1] That fact makes them visible to everyone in the northern hemisphere. [2] Originally proposed by Edward Charles Pickering, the system was used between 1900 and ...