User Guide

Contents:

	1.	Overview
		1.1 Introduction
		1.2 HTML guide
		1.3 About galaxies: a brief introduction
		1.4 Acknowledgment
	2.	Displaying catalog images
		2.1 Graphics file formats
		2.2 Image viewers on various computers
		2.3 Look-up-table generation for the GIF and JPEG images
		2.4 Adjusting your monitor
	3.	Observations and image processing
		3.1 Observations
		3.2 Image processing
		3.3 Properties of galaxies in the catalog
	4.	Color-image composition
		4.1 Summary
		4.2 Image registration
		4.3 Assigning red, green, and blue
		4.4 Setting the white point
		4.5 Cutoffs, gamma, saturation
		4.6 Possible problems

		Return to the Main Page of the Galaxy Catalog.

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Copyright © 1999 by Princeton University Press. Created by Zsolt Frei and James E. Gunn. Email remarks to frei@astro.princeton.edu This page was last updated on June 16, 1999.