The Jerry Lodriguss Book On CD: "Astrophotographer's Guide to the Deep Sky" is not a printed paper book. It is a digital book in HTML format that you will be able to view on a traditional desktop or laptop computer in any internet web browser such as Microsoft Internet Explorer, Firefox, Chrome, Safari or Opera. It will work with PC and Mac operating systems. It utilizes javascript, so that it offers unique features such as image maps, mouse-overs and a search engine that you can't get in a traditional printed book. The Astrophotographer's Guide to the Deep Sky will serve as a reference and inspiration for when you are thinking about "what should I photograph in the sky tonight?" with examples of beautiful objects in the deep-sky that you can shoot with your own equipment. It contains more than 500 objects in the master list, including the best and most interesting: Emission nebulae, Planetary nebulae, Reflection nebulae, Dark nebulae, Supernova remnants, Galaxies, Galaxy clusters, Molecular clouds, Bright stars, Double stars, Variable stars, Multiple stars, Carbon stars, Open star clusters, Globular star clusters, Stellar associations, Asterisms, Constellations. It contains more than 275 images of these and other objects that are visible from the Northern Hemisphere. Each is described in detail on individual object pages. The book is not a how-to that instructs how to take astrophotos. The author, Jerry has included many brightest objects visible from th