Cosmic challenge: the ultimate observing list for amateurs
Auteur :
Harrington, Philip S.
Éditeur :
Cambridge University Press
ISBN :
9781108710756
Date de publication :
11 avr. 2019
Dimensions :
24,6 x 18,9 x 2,2 cm
Poids :
1050 g
Format :
Trade paperback (US)
Langue :
Anglais
Pays d'origine :
Grande Bretagne
Listing more than 500 sky targets this guide will test novices and veterans alike. Each target object is accompanied by a difficulty rating, an in-depth visual description, an eyepiece illustration, and a detailed finder chart. This paperback edition has updated charts and data to challenge observers for years to come.