Finding Planets, Stars and Constellations: Betelgeuse
Betelgeuse is a red giant star which is situated 498 light years from Earth. In the celestial sphere, it is one of the stars of the Orion constellation.
In a location situated at approximately N 44°, W 84° during the month of December around 10 pm, Betelgeuse is situated approximately at azimuth 256°, altitude 25° using the horizontal coordinate system. This means that one has to look west (azimuth 270°) and lift the head to an angle close to 25° with respect to the horizon. Its red color is clearly visible
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Previous Posts
Concepts in Astronomy #1. Introduction
Concepts in Astronomy #2. The Ecliptic
Concepts in Astronomy #3. The Celestial Equator
Concepts in Astronomy #4. Right Ascension
Concepts in Astronomy #5. Declination
Concepts in Astronomy #6. The Celestial Sphere
Concepts in Astronomy #7. Azimuth
Concepts in Astronomy #8. Altitude
Concepts in Astronomy #9. The Equatorial Coordinate System
Concepts in Astronomy #10. The Topocentric Coordinate System
Concepts in Astronomy #11. Equinox
Concepts in Astronomy #12. Solstice
Concepts in Astronomy #13. Rotation Period
Concepts in Astronomy #14. Orbital Period
Concepts in Astronomy #15. Axial Precession
Concepts in Astronomy #16. Axial Tilt
Concepts in Astronomy #17. Finding Planets, Stars and Constellations: Polaris
Concepts in Astronomy #18. Finding Planets, Stars and Constellations: Ursa Major and the Big Dipper
Concepts in Astronomy #19. Finding Planets, Stars and Constellations: Orion
Concepts in Astronomy #20. Finding Planets, Stars and Constellations: Sirius
Concepts in Astronomy #21. Finding Planets, Stars and Constellations: Gemini, including Pollux and Castor
Concepts in Astronomy #22. Finding Planets, Stars and Constellations: Taurus, including Aldebaran
Concepts in Astronomy #23. Finding Planets, Stars and Constellations: Aries, including Hamal
Concepts in Astronomy #24. Finding Planets, Stars and Constellations: Pisces
Concepts in Astronomy #25. Finding Planets, Stars and Constellations: Aquarius
Concepts in Astronomy #26. Finding Planets, Stars and Constellations: Capricornus
Concepts in Astronomy #27. Finding Planets, Stars and Constellations: Sagittarius
Concepts in Astronomy #28. Finding Planets, Stars and Constellations: Scorpius
Concepts in Astronomy #29. Finding Planets, Stars and Constellations: Libra
Concepts in Astronomy #30. Finding Planets, Stars and Constellations: Virgo
Concepts in Astronomy #31. Finding Planets, Stars and Constellations: Leo
Concepts in Astronomy #32. Finding Planets, Stars and Constellations: Cancer
Concepts in Astronomy #33. Finding Galaxies: Andromeda
Concepts in Astronomy #34. Finding Galaxies: Black Eye