Discovering the Universe for Yourself Chapter 2 Discovering the Universe for Yourself
SFA Star Charts Star Chart 1 - Northern Region Star Chart 2 - Equatorial Region Star Chart 3 - Equatorial Region Star Chart 4 - Southern Region
SFA Star Chart 1 North Star Declination Right Ascension “Little Dipper” Declination “Pointer Stars” “Big Dipper”
“King” “Queen” SFA Star Chart 1
Chart 1 Problem Find the coordinates of Capella.
SFA Star Chart 1
Summer Solstice Ecliptic Orion Celestial Equator Vernal Equinox Autumnal Equinox
“Summer Triangle” Celestial Equator Vernal Equinox Autumnal Equinox Winter Solstice Ecliptic
Star Chart Exercise 1. Where are the Zodiac Constellations? Circle their names on the star charts. 2. Find the coordinates of Betelgeuse and Sirius. 3. Where is the Sun today? Give the RA, DEC, and constellation
Astrology Connection Where is the Sun on your Birthday? Note: Astrological signs no longer correspond to the location of the Sun on your day of birth! Have we been reading the wrong horoscopes all this time?
SFA Star Chart 4
The Constellation Orion
Constellations Constellations are recognizable patterns of stars in the sky. There are 88 constellations. (e.g. Orion) The 12 constellations along the ecliptic on your star chart are called the Zodiac Constellations.
Asterisms Asterism are recognizable patterns of stars that is not one of the 88 constellations. For Example: The Big Dipper
The Sky Dome Celestial Meridian Polaris Zenith Celestial Equator
Measuring Angles altitude - the angle of a star above the horizon The North Star, Polaris, is not the brightest star in the sky but remains in a fixed position in the sky. The angle of Polaris above your horizon is the same as your latitude in degrees.
Thought Exercise Where are you if Polaris is directly overhead? Where are you if Polaris is on your horizon?
Write this down
View from the Equator
View from the North Pole
Circumpolar Stars are stars that never set. WEB
How do you use these charts? Face North Find Meridian Find the Field of View
SFA Star Chart 1 Date
Date North Horizon