Regional Astronomy Clubs

• Amateur Observers' Society of New York
• Custer Institute
• Mid-Hudson Astronomy Association
• New Jersey Astronomical Association
• New Jersey Night Sky Network
• Rensselaer Astrophysical Society
• Rockland Astronomy Club
• S*T*A*R Astronomy Society
• Southern Cross Astronomical Society
• United Astronomy Clubs of New Jersey
• Westchester Amateur Astronomers

Organizations:

• American Association of Variable Star Observers
• Association of Lunar and Planetary Observers
• Astronomical Society of the Pacific
• International Occultation Timing Association

Observing:

• Abrams Planetarium -- Skywatcher's Diary
• New Comet Observation Home Page
• Cometography.com
• Earth & Sky
• Hawaiian Astronomical Society -- wonderful deep-sky atlas
• Heavens Above -- find the Space Station, Iridium flares and other satellites
• The Inconstant Moon
• Jack Horkheimer:  Star Gazer
• Mr. Eclipse
• Skyhound -- for advanced observers
• Sky Maps -- free sky chart for each month plus more info
• Space Weather
• StarDate

Astrophotography:

• Astronomical Images - Deep Sky Astrophotography
• Cookbook Camera Home Page

Astrophysics/Current Research/Reference:

• College of Staten Island Astrophysical Observatory
• The Messier Catalog
• NASA Astrophysics Data System
• The NGC/IC Project
• The Nine Planets
• XXX Archive -- an index to research papers in astrophysics and other areas

Magazines:

• Astronomy Magazine
• Night Sky Magazine -- terrific for new observers
•     Check out the entire January-February 2006 Issue
•    What's Up?
•    How to Buy a Telescope
• Sky & Telescope Magazine
•    How To -- advice on a wide variety of topics
•    Astronomy Store
•    Sky at a Glance -- this week's events
  

Miscellaneous:

• Astro-Mall
• Astronomy Picture of the Day
• Cartes du Ciel -- free sky chart software
• Phil Harrington's Website -- equipment, observing, Dark-Sky Site Directory
• SELENE-NY: Sensible and Efficient Lighting to Enhance the Nighttime Environment
• Starry Night Lights -- sky-friendly outdoor lighting (discount to AAA members)
• Tony Hoffman's Web Site -- Tony is a member of the AAA and the discoverer of 31 Sun-grazing comets (so far) from photos taken from the SOHO spacecraft.

Sidewalk Astronomy:

• Guild of Manhattan Sidewalk Astronomers
• New York Sidewalk Astronomers