Deep Sky Observing
Links
Impressions of the Deep Sky
Links to deep sky sites, sketches and photographs.
List of Common Deep-Sky Catalogs
http://www.seds.org/messier/xtra/supp/cats.html
Listing of various common catalogs of deep-sky objects, along with abbrevations and short descriptions.
Messier Marathon
http://www.messiermarathon.com
Includes instructions, complete biography, annotated catalogue and search tool.
Messier45.com
Online tools for deep-sky observers, including maps and lists of objects with pictures and data.
NGC/IC Project
Objective is to correctly identify all of the original NGC and IC objects. Starts with the original discoverer's notes and moves forward to encompass the work of contemporary astronomers, both professional and amateur.
Planetary Nebulae Observer's Web Site
Planetary nebula data, images and information on over 1000 planetaries.
Ray Cash's Deep-Sky Page
http://members.aol.com/anonglxy/deepsky.htm
Photos and information about deep-sky observing.
The Caldwell Objects
http://www.utahskies.org/deepsky/caldwell/index.html
Information, images, charts for the Caldwell Objects as taken from the weekly Utah Skies Report
The Messier Catalog
Images and information for all Messier objects from Students for the Exploration and Development of Space (SEDS).