Lacerta

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AbbreviationLac
MeaningLizard
Pronunciation Guide is based on “Pronouncing Astronomical Names,” published in 1943 by the American Astronomical Society.luh-SER-tuh
Genitive The genitive is the Latin possessive form used in star names. For example, Alpha Orionis means “the Alpha of Orion.”luh-SUR-tee
Best MonthOctober
VisibilityNorthern
OriginModernAdded between the 17th and 18th centuries by astronomers like Hevelius or Plancius to define faint star clusters ignored by the ancients.
AuthorHeveliusA Polish astronomer known as the "founder of lunar topography" who added several "filler" constellations using high-precision instruments.
Typeconstellation
DifficultyChallenging
DescriptionThe Lizard was introduced by Johannes Hevelius in 1687 to fill a small gap of faint stars between the grand constellations of Cygnus and Andromeda. It has no mythological story — Hevelius simply needed a small creature to fit the space. Though inconspicuous, Lacerta sits in a rich region of the Milky Way and contains BL Lacertae — the prototype of an entire class of violently active galactic nuclei called 'blazars,' quasar-like objects whose powerful jets of energy point almost directly toward Earth, first classified as a variable star before their true nature was understood. The brightest star, Alpha Lacertae, is a white A-type star about 102 light-years away.

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