IMWCS USNO-A2.0 Catalog Example Image

This galaxy image, taken by Norman Grogin on the Mt. Hopkins 1.2-meter telescope, will be used to demonstrate how a world coordinate system can be fit using imwcs by matching the stars shown here with those in the USNO-A2.0 Catalog.

[Image] [Image stars] [Image with Nominal WCS] [ID] [Image with Fit WCS] [ID]


This image was made using the command
imstar -r 15 -q o -d testx90m.fits
which wrote the PROS regions file image testx90m.reg
which was plotted over the image with
saoimage -reg testx90m.reg testx90m