Using DS9 to Scale the FITS Files Discipline: Education You will need to use DS9 to scale your FITS files and save them in jpg format. The screencast below will take you through the steps you need to follow. Tags: ds9scale
Magnitudes and Distance Measurement Discipline: Education This guide describes magnitude, distance modulus and distance measurement. These concepts are central to understanding distances and scale in the universe. You will find that the text contains many links. Some will take you to a glossary definition, while others are links to more information about a topic you may want to explore further. Please use this guide in the way that makes most sense to you. You may want to read the entire guide first, then go back and follow links that interest you, or you may want to follow links as you go along. Tags: scalefluxbrightness
How to view your FITS files Discipline: Education Once you have DS9 open, go to File>Open and then choose one of the FITS files you downloaded. You will then see a screen with no obvious image and mostly black. DS9 is displaying the full range of pixel values in the image, from 0 to 65,000. In order to make the image more visible, use the Scale option from the menu bar. Tags: FITSds9scalehistogram
