Johannesburg Centre, Astronomical Society of Southern Africa

Observing Links

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Here are some places that provide excellent information for planning your observing session.

Link What you will find there Link What you will find there
Sky View is billed as ” the Internet’s Virtual Telescope”. It allows you to view pictures of celestial objects in multiple wavelengths. You can run it interactively, or download a Java version. If you find it confusing, choose the “non-astronomer’s” interface, & check out their orientation page. The SkyMorph on-line database enables searches for variable, moving or transient objects. It provides convenient access to optical images and catalogs generated by the Near Earth Asteroid Tracking program, including 1000s of images covering most of the sky. A bit clunky to use, but an amazing resource.
US Navy time service department. Interesting stuff to do with time, what's up when, and so on. Virtual Moon Atlas

 

SEDS: Students for the Exploration & Development of Space. See the Nine Planets solar system tour, and more. ASDS: Astronomical Software and Documentation Service. A good set of software packages, documents, sites and manuals. Follow packages/utilities/Deep-SkyPlanner for a decent Deep-sky planner.
Heavens Above: Predictions & locations of the ISS, satellites, Iridium flares, comets & other objects, plus Sky charts Weather forecasts for just about anywhere on the planet. If you have your own weather station, you can join their network.
The Eclipse Home Page, by NASA's Fred Espenak INSTITUT DE MÉCANIQUE CÉLESTE (astronomy, celestial mechanics, ephemerides, calendars, solar system) There is English on the site, but it helps to know French.
astronomydaily.com: the portal site for anyone interested in Astronomy Hawaiian Astronomical Society  - Constellations: Stories and a Deepsky Atlas
Starchart map Server Cartes du Ciel - Sky Charts, freeware, Celestial Atlas  
SkyGlobe shareware - 'planetarium' simulation of the sky. This really useful DOS-based program is small enough to fit on a stiffy. Que tal in the Current Skies – observing guide
Inconstant Moon: phase calculator NED - the Nasa/Ipac Extragalactic Database. The name says it all. If you have a big scope, this is for you.
Billed as "the most complete astronomical observations and on-line-calculator on the planet". It probably is!    
 

 


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