The Virginia Tech Spectral-Line Survey
Per03 H-alpha Image
Right Ascension (2000.0)
The median image value was set to zero during
FITS Image File
(To download the FITS image file
click on the above link
with your right mouse button and select
"Save Link As..." or "Save Target As...",
depending on your browser.)
A JPEG representation
of the image is displayed on this page.
North is up; East is to the left.
A non-linear transformation of pixel values to
grayscales was used to make the
JPEG image; due to the large dynamic range
of the data this JPEG image does not
display both faint and bright emission
well. This JPEG image is not suitable for quantitative analysis; download the FITS image file for this purpose.
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