|Skyquery CrossMatch NEW!|
Getting Started tells you what types of
data you can find on SkyServer, what data each of the tools will
return, and how you can best use the tools to study the sky.
Famous Places presents a gallery of beautiful images, various large galaxies, and some of the most distant quasars ever discovered.
Get Images lets you download of individual images and spectra at various zoom levels. Go here if you want to save a nice picture for a screen background.
Scrolling Sky lets you enjoy the sight of the sky moving on the screen as the SDSS telescope sees it when it scans along on its nightly cycle.
Search allows you to search the database for sky positions, objects with a certain brightness, and and various other criteria. You can even enter free-format SQL queries, or use a simple form to search the database.
Object Crossid allows you to upload search the database for sky positions, objects with a a list of object positions, and returns the SDSS objects which are within a certain radius of those positions. A few simple upload formats are supported.
CasJobs allows you to submit unlimited SQL queries in batch mode and save query results in your personal database (MyDB).
Help is provided for those who would like to understand more about these tools, using SQL, and the properties of the objects stored in our database.
Download contains a few publications which explain our data in much more detail, and a few tools that can be ran on the user's computer, like the sdssQA, an advanced query tool written in Java.