We’ve added to WikiSky ability to cut images from  SDSS (DR7) locally. WikiSky is still using exetrnal cutout tool (casjobs.sdss.org) for SDSS DR6,5,4 and 3. The problem with casjobs is that it has limited projection options that causes siginificant alignment problems when you move far away from projection center. Our image cutout tool has rich projections options, including multiple geometric projections, rotation, reverse, projection center shift and more. Also we’ve added ability to view object on every available SDSS frame. When you open info page of an object you’ll see list of SDSS frames with the object right after list of astro image thumbnails. By clicking on one of the frames you’ll see full SDSS survey with the selected frame in foreground.

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