Skyguide, a Field Guide for Amateur Astronomers

30m Local Mean 6th-magnitude Andromeda AQUARIUS astronomers AURIGA binoculars Boötes bright stars brightest star called CAMELOPARDALIS camera CANIS CANIS MINOR CAPRICORNUS CASSIOPEIA celestial equator celestial object celestial sphere CENTAURUS CEPHEUS Cetus chart clouds Cluster Nebula Galaxy COMA BERENICES comets constellation CRATER CYGNUS DELPHINUS Deneb distance double star DRACO ecliptic equatorial ERIDANUS faint GEMINI giant globular cluster Hercules horizon HYDRA It-yr LACERTA latitude lens Libra light lt-yr lt-yr distant lt-yr from Earth LYNX LYRA magni meridian meteors Milky Moon named nitude north celestial pole open cluster OPHIUCHUS Orion Pegasus Perseus PISCES planet Planetarium Polaris Regulus Sagittarius satellites Scorpius SERPENS Sidereal small telescope solar system spectral type star group star of magnitude Sun's tail Taurus TRIANGULUM tude unaided eye URSA MAJOR URSA MINOR variable vernal equinox Virgo visible VULPECULA