2e70ab71_Server_Tools___Getting_Started__Tool
[What it Does] Lets you upload a list of sky positions or plate/fiber numbers, then returns a list of all SDSS objects near those positions. [Use it when...] you have a list of sky objects from another astronomical database, and you want to find all SDSS objects near each of your objects. [Tool] 
Object Upload
SkyServer Tools - Getting Started
Tool