History & Other Fun Facts on Constellation Cygnus
1. Symbolism: The Northern Cross or the Swan
2. Right ascension: 20.62 hours
3. Meteor Showers: October Cygnids (visible between 26 September and 10 October), Kappa Cygnids (visible between mid-July and the end of August)
4. Declination: +42.03 degrees
5. Latitudes visible at: between +90 degrees and -40 degrees
6. The best time to view: at 9:00 PM (21:00PM) during the month of September
7. Area of sky: 804 square degrees
8. Nearest star: 61 Cygni (11.4 light years away)
9. Brightest star: Deneb (alpha Cygni) (1.25 visual magnitude)
10. Constellations bordering Cygnus: Lyra, Cepheus, Draco, Pegasus, Vulpecula, Lacerta
11. Stars in the constellation: There are total 84 stars in the Cygnus constellation. Notable stars include Deneb (alpha Cygni), Albireo (Beta Cygni), 61 Cygni, and a variety of variable stars including V508 Cygni and XX Cygni.
12. Other objects in the constellation: Notable deep sky objects include the North America Nebula (NGC 7000), The Pelican Nebula (IC 5070), the Veil Nebula (NGC 6960, 6962, 6979, 6992, and 6995), and the Crescent Nebula (NGC 6888).
13. Meteor showers: October Cygnids, Kappa Cygnids
14. Mythology: The Greek mythology identifies Cygnus with several different legendary swans. Zeus disguised himself as a swan to seduce the beautiful Leda. Orpheus, as well as King Cycnus, were transformed into a swan. According to researchers, Cygnus may have originated on the Euphrates, as clay tablets reveal a stellar bird of some kind. The Chinese mythology connects Cygnus with the mythological lovers Zhi Nu and Niu Lang (Qi Xi). Cygnus has also been associated with “Roc," a huge mythical bird found in the story of Sinbad the sailor (Thousand and One Nights).
15. History of Cygnus Constellation: Cygnus is Latin for Swan. The Greeks identified Cygnus simply as “Ornis" (Bird), but it was the Romans who adopted Greek myths to name it Cygnus and explained its meaning to the world. To the Arabs, the constellation is identified as a hen. According to the first century astronomer, Ptolemy, the constellation Cygnus was among 48 constellations, and today it remains one of the 88 modern constellations.
[Image Credit (Right): Torsten Bronger. http://commons.wikimedia.org/wiki/File:Cygnus_constellation_drawing.jpg]