This is an interactive viewer application that can be used to visualise and explore
sky survey data. Follow the instructions below to get started.
Note: a WebGL-enabled browser (such as Chrome) is required for this page to function.
Instructions
•Drag with the left mouse button to rotate the camera.
•Use the middle mouse button to zoom in and out.
This page will not function properly on a touchscreen device.
Warning: page may take a while to load.
More information
This data represents a subset of the SuperCOSMOS Science Archive available at
http://surveys.roe.ac.uk/ssa/.
It includes all stars brighter than 14th magnitude that have been detected at multiple epochs. It was extracted using the freeform SQL
query form via the SQL statement
SELECT ra,dec,sCorMagB,sCorMagR2,sCorMagI
FROM source
WHERE chi2 < 5.0 AND Nplates > 2 AND
ellipB < 0.25 AND blendB < 1 AND qualB < 128 AND ((prfstatB > -3.0 AND prfstatB < +3.0) OR prfstatB < -0.9e9) AND
ellipR1 < 0.25 AND blendR1 < 1 AND qualR1 < 128 AND ((prfstatR1 > -3.0 AND prfstatR1 < +3.0) OR prfstatR1 < -0.9e9) AND
ellipR2 < 0.25 AND blendR2 < 1 AND qualR2 < 128 AND ((prfstatR2 > -3.0 AND prfstatR2 < +3.0) OR prfstatR2 < -0.9e9) AND
ellipI < 0.25 AND blendI < 1 AND qualI < 128 AND ((prfstatI > -3.0 AND prfstatI < +3.0) OR prfstatI < -0.9e9) AND
sCorMagR2 < 14 AND sCorMagR2 > 0 AND sCorMagB > 0 AND sCorMagI > 0