Astro-Physics Inc. (Popularity: )

Telescopes, mounts and accessories for observers and astrophotographers.
Category: Science\Astronomy\Business\Telescopes, Binoculars and Accessories

The Webb Society (Popularity: )

An international society of amateur and professional astronomers specialising in the observation of double stars ...
Category: Science\Astronomy\Associations

Astro Portal - CalSKY (Popularity: )

The worldwide interactive online astronomical/space calendar and calculator - for friends of astronomy, as well ...
Category: Science\Astronomy\Calendars and Timekeeping

Eastbourne Astronomical Society (Popularity: )

Details of upcoming and past meetings and events, a newsletter, contact details and links.
Category: Science\Astronomy\Amateur\Organizations

Blue Ridge Telescopes (Popularity: )

Quality hand crafted amateur Dobsonian telescopes and parts.
Category: Science\Astronomy\Business\Telescopes, Binoculars and Accessories

MODAS - Modern Optical Design and Analysis Software (Popularity: )

Paraxial and Seidel calculations, spot diagrams, ray fans, 3D wave aberrations and energy distribution, optical ...
Category: Science\Physics\Optics\Software

Stargazing Network (Popularity: )

What's new, mini-FAQ, and table of contents.
Category: Science\Astronomy\Amateur

Amateur Astronomers Anonymous (Popularity: )

Contains observation reports, photos, and allows submissions of reports, photos, websites, and tips.
Category: Science\Astronomy\Amateur

The Astro Pages (Popularity: )

Astrophotos, articles, discussion boards, telescope making, observer's logs, and calendar.
Category: Science\Astronomy\Amateur

Java Based Optical Design and Analysis Software (Popularity: )

Based on telescope design program MODAS, can design and analyze one mirror and classical two ...
Category: Science\Astronomy\Amateur\Amateur Telescope Making

how to build a small radio telescope - how to build a VLF receiving station - listen to meteorite (Popularity: )

This site describes how to build a small radio telescope with standard equipments from stores. ...
Category: Science\Astronomy\Amateur\Radio Astronomy

Rensay, Inc. (Popularity: )

Authorized Meade and Selsi dealer specializing in telescopes, binoculars, magnifiers, loupes, filters, and accessories. Located ...
Category: Science\Astronomy\Business\Telescopes, Binoculars and Accessories

See View Observatory (Popularity: )

The organization, images, general interest and knowledge, news, and links.
Category: Science\Astronomy\Amateur

Clement Focuser (Popularity: )

Uniquely designed, patented focuser for use on a variety of telescopes. Offers optional electric focus ...
Category: Science\Astronomy\Business\Telescopes, Binoculars and Accessories

Utah Skies (Popularity: )

A very comprehensive collection of information useful and interesting to amateur astronomers, especially those located ...
Category: Science\Astronomy\Associations

The Astronomical Society of South Australia (Popularity: )

founded in 1892, is the oldest society of its kind in Australia. Its objectives are ...
Category: Science\Astronomy\Associations

Implementation of the ISO 8601 Standard (Popularity: )

A list of countries around the world that have adopted the ISO 8601 standard, also ...
Category: Science\Reference\Standards\Individual Standards

Jim's Mobile, Inc. (Popularity: )

NGT line of portable, equatorially mounted astronomical telescopes. Also makes various accessories including Motofocus focus ...
Category: Science\Astronomy\Business\Telescopes, Binoculars and Accessories

Transit of Mercury Live images (Popularity: )

Webcam announcement from Worth Hill Observatory in the UK.
Category: Science\Astronomy\Eclipses, Occultations and Transits\Transits

Astronomy Discussion Page (Popularity: )

Collection of forums for the amateur including gear and observing, astrophotography and imaging, review, classified ...
Category: Science\Astronomy\Amateur\Chats and Forums