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2. IAU designated constellations - Wikipedia

   en.wikipedia.org/wiki/IAU_designated_constellations

   IAU designated constellations in equirectangular projection (epoch B1875.0) In contemporary astronomy, 88 constellations are recognized by the International Astronomical Union (IAU). [1] Each constellation is a region of the sky bordered by arcs of right ascension and declination, together covering the entire celestial sphere. Their boundaries ...

3. Lists of stars by constellation - Wikipedia

   en.wikipedia.org/.../Lists_of_stars_by_constellation

   All stars but one can be associated with an IAU (International Astronomical Union) constellation. IAU constellations are areas of the sky. Although there are only 88 IAU constellations, the sky is actually divided into 89 irregularly shaped boxes as the constellation Serpens is split into two separate sections, Serpens Caput (the snake's head) to the west and Serpens Cauda (the snake's tail ...

4. Lists of constellations - Wikipedia

   en.wikipedia.org/wiki/Lists_of_constellations

   The following lists of constellations are available: IAU designated constellations – a list of the current, or "modern", constellations; Former constellations – a list of former constellations; Chinese constellations – traditional Chinese astronomy constellations; List of Nakshatras – sectors along the Moon's ecliptic

5. IAU designated constellations by geographical visibility

   en.wikipedia.org/wiki/IAU_designated...

   The International Astronomical Union (IAU) designates 88 constellations. [1] In the table below, they are listed by geographical visibility according to latitude as seen from Earth, as well as the best months for viewing the constellations at 21:00 (9 p.m.).

6. List of proper names of stars - Wikipedia

   en.wikipedia.org/wiki/List_of_proper_names_of_stars

   In 2016, the International Astronomical Union (IAU) organized a Working Group on Star Names (WGSN) [2] to catalog and standardize proper names for stars. The WGSN's first bulletin, dated July 2016, [3] included a table of 125 stars comprising the first two batches of names approved by the WGSN (on 30 June and 20 July 2016) together with names of stars adopted by the IAU Executive Committee ...

7. Serpens - Wikipedia

   en.wikipedia.org/wiki/Serpens

   Serpens is the only one of the 88 modern constellations to be split into two disconnected regions in the sky: Serpens Caput (the head) and Serpens Cauda (the tail). The constellation is also unusual in that it depends on another constellation for context; specifically, it is being held by the Serpent Bearer Ophiuchus. [1]

8. IAU designated constellations by area - Wikipedia

   en.wikipedia.org/wiki/IAU_designated...

   Hydra is the largest constellation, covering more than 1 ⁄ 32 of the night sky and 19 times the area of Crux, the smallest constellation.. The International Astronomical Union (IAU) designates 88 constellations of stars.

9. Stellar designations and names - Wikipedia

   en.wikipedia.org/wiki/Stellar_designations_and_names

   Proper names may be historical, often transliterated from Arabic or Chinese names. Such transliterations can vary so there may be multiple spellings. A smaller number of names have been introduced since the Middle Ages, and a few in modern times as nicknames have come into popular use, for example Sualocin for α Delphini and Navi for γ ...