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SExtractor (Source-Extractor) is a program that builds a catalogue of objects from an astronomical image. It is particularly oriented towards reduction of large scale galaxy-survey data, but it also performs well on moderately crowded star fields.
This code is used in conjunction with a written survey. The answers people give on the survey are entered into the DataMatch, and it produces pairs based on answer similarities. While originally design for use with a school fundraiser, it can easily be
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Info-Charge is a free, web-based, multi-purpose
assessment and survey application. It allows you
create "Surveys" and "Pathfinders", gather reponses,
and perform comprehensive summary stats.
The source is an excellent way to get started with MySQL
Software to support TASS, The Amateur Sky Survey. We are taking photometric measurements of all stars in the sky in several filters measurements repeated frequently to allow detection of variable stars