.: Deep Sky, muuttuvat tähdet ym. :.

Webbisivuja Deep Sky havaitsijoille

• Adventures in Deep Space Challenging Observing Projects for Amateur Astronomers
• APM Galaxy Survey
• Arp's Atlas of Peculiar Galaxies
• Atlas of the Andromeda Galaxy
• Beginner's Deep Sky Targets
• Bert Dekker's Deep-Sky Site 
• Bill Arnett's Messier Page
• Bill Arnett's Nebula Web
• Deep-Sky.org
• Deep Sky Collections and Catalogs
• Deep Sky Database An online observing list generator
• Deep Sky drawing+observing
• Deep Sky Exploration
• Deep Sky images
• Deep Sky Online
• Deep Sky Pages
• Deep Sky Sketches
• Deepsky 2000 Professional For Win9X & Win2000 Home Page
• DOBJECTS 1.6 - an Astronomical Database and Observing Log program
• Drawings of deepsky objects with large telescopes
• Enrico Properi's Astronomical CCD-images
• Galaxy Page
• Gamma-ray Bursts
• George Greaney's Deep Sky Photography
• Globular Clusters in the Andromeda Galaxy
• Globular Cluster Page
• Groups of Galaxies containing Messier objects
• Impressions of the Deep Sky Sketches + Observations
• Jerry Lodrigus Deep Sky Astrophotographs, Tips, and Techniques
• Jim Shield's page
• Kevin's Deepsky sketch page
• Mark & Carolyn's DeepSky homepage
• Messier45.com
• Messier Database at SEDS
• Messier Images
• Messier Images 1
• NASA/IPAC Extragalactic Database
• New General Catalog
• NGC/IC and Other Objects by Larry
• NGC/IC Project
• Observing with a small telescope
• Planetary Nebula Observers' Home Page Great site! 
• Planetary Nebulae samples with pictures
• Ray Cash's Deep Sky page 
• Sketches of Deep Space Objects
• Star Names
• Supernovae in NGC & IC Galaxies
• The Local Group
• The National Deep Sky Observers Society 
• The Saguaro Astronomy Club
• The Universe within 100 million Light Years - The Virgo Supercluster
• The Virgo Cluster of Galaxies
• Visual deep-sky astronomy pagee
• Web Nebulae
• You Know You're a Deep-Sky Observer When... Humour for Deep Sky-observers...

Muuttuvat tähdet, Novat & Supernovat

• AAVSO's=American Association of Variable Star Observers
• AAVSO Charts
• AstroInfo -Variablestars
• Bright Supernovae - List of current Supernovae with images 
• Cataclysmic Variable Stars
• Cepheid Variable Star homepage
• International Supernova Network 
• Variable Star Network home page
• Variables Stars Observer - VAROBS software

Extra-solar Planets & Extra-Solarsystems

• Discovery of New Planets page
• Exoplanets.org (The University of California Planet Search Project)
• Extrasolar Planets (NASA)
• Extrasolar Planets Encyclopedia from Observatoire de Paris
• Extrasolar Planetary Systems
• ExtraSolar Visions

Kosmologia & Mustat Aukot

• Black Holes by Ted Bunn
• The Black Holes and Neutron Stars