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The Lost Constellations
 A History of Obsolete, Extinct, or Forgotten Star Lore

A lost history of the night sky hides in plain sight.

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Casual stargazers are familiar with many classical figures and asterisms composed of bright stars (e.g., Orion and the Plough), but this book reveals not just the constellations of today but those of yesteryear. The history of the human identification of constellations among the stars is explored through the stories of some influential celestial cartographers whose works determined whether new inventions survived.

The history of how the modern set of 88 constellations was defined by the professional astronomy community is recounted, explaining how the constellations described in the book became permanently “extinct.” Dr. Barentine addresses why some figures were tried and discarded, and also directs observers to how those figures can still be picked out on a clear night if one knows where to look.

These lost constellations are described in great detail using historical references, enabling observers to rediscover them on their own surveys of the sky. Treatment of the obsolete constellations as extant features of the night sky adds a new dimension to stargazing that merges history with the accessibility and immediacy of the night sky. 

Left: Northern hemisphere star chart from Petrus Apianus' ​Astronomicum Caesareum (1540)

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Stellarium "skyculture" files for the lost constellations are available!

Overlays for the free Stellarium software showing the figures of the lost constellations from the book are now available for FREE download here. 
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REVIEWS

"​The Lost Constellations is an incredible work.  By the time the reader finishes the book, or just picks up a constellation or two, the sky will become a new source of fascinating, but now defunct, pictures."  -​Francine Jackson, Brown University Ladd Observatory and NASA Solar System Ambassador

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"This book is not your typical dry technical read. As the author states in the Preface, the book is a 'very human story that transcends astronomy itself, somewhere at the confluence of history, mythology, folklore, exploration, and psychology.' You will learn a lot from the book." -Mike Weasner, Cassiopeia Observatory
INTRODUCTORY VIDEO

CONTENTS

Part I: Toward The Modern Night Sky
1. What Is A Constellation?

2. The Contemporary Sky Emerges

     2.1 From antiquity to the 19th century
  
     
     2.1.1 The Ptolemaic Constellations

     
     2.1.2 Opening the southern sky

          2.1.3 Completing maps of the northern sky

          2.1.4 Constellation counts in disagreement

     2.2 The "Modern 88"

     2.3 Eugène Delporte, arbiter of the heavens

     ​2.4 IAU Commission 3

          2.4.1. Delporte's pilot study (1923-25)

          2.4.2 Adoption of final constellation boundaries (1928)

          ​2.4.3 After Commission 3 
Part II: The Lost Constellations
​Anser
Antinoüs
Argo Navis
Cancer Minor
Cerberus et Ramus Pomifer
Custos Messium
Felis
Gallus
Globus Aerostaticus
Honores Frederici
Jordanis
Machina Electrica
Mons Maenalus
Musca Borealis
Officina Typographica
Psalterium Georgianum
Quadrans Muralis
Rangifer
Rhombus
Robur Carolinum
Sagitta Australis
Sceptrum Brandenburgicum
Taurus Poniatovii
Telescopia Herschelii
Tigris
Triangulum Minus
Turdus Solitarius / Noctua 
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Read A Sample Chapter

Read a chapter about Antinoüs, a lost constellation of the northern hemisphere summer night sky.
View Sample Chapter
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View An Image Gallery

See examples of lost constellations drawn from a variety of historical celestial cartography sources.
View Gallery
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Buy The book

Get your very own copy of this important astronomy history reference work.
Buy Now

Gallery of Images

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  • Home
  • Bio
  • CV
  • Media
  • Photos
    • Germany 2019
    • Hungary 2019
    • Taiwan 2018
    • New Zealand 2018
    • UK 2017
    • Wyoming Eclipse 2017
    • Catalonia 2017
    • Romania 2016
    • Japan 2016
    • Korea 2014
  • Astronomy
    • Carbon Star List
    • The Bluest Hipparchos Stars
    • Astrophotography
  • Research
    • Earthshine
    • Skyglow
    • stars19
  • Papers
  • Books
    • Ashen Light of Venus
    • The Lost Constellations
    • Uncharted Constellations
  • Contact