{"product_id":"herschel-400-observing-guide-9780521858939","title":"Herschel 400 Observing Guide","description":"\u003cp\u003eThe Herschel 400 is a list of 400 galaxies  nebulae  and star clusters  picked from over 2 500 deep-sky objects discovered and catalogued by the great eighteenth-century astronomer Sir William Herschel and his sister Caroline. It comprises 231 galaxies  107 open clusters  33 globular clusters  20 planetary nebulae  2 halves of a single planetary nebula  and 7 bright nebulae. In this guide Steve OMeara takes the observer through the list  season by season  month by month  night by night  object by object. He works through the objects in a carefully planned and methodical way  taking in some of the most dramatic non-Messier galaxies  nebulae  and star clusters in the night sky. Ideal for astronomers who have tackled the Messier objects  this richly illustrated guide will help the amateur astronomer hone their observing skills.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":45273608126517,"sku":"ByrdShop_0521858933","price":335.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8139\/0901\/files\/9780521858939.jpg?v=1780490241","url":"https:\/\/atxbooks.com\/products\/herschel-400-observing-guide-9780521858939","provider":"ATX Books","version":"1.0","type":"link"}