Changes between Version 1 and Version 2 of pr_images

Timestamp:

Jul 29, 2009, 11:00:45 AM (17 years ago)

Author:

beaumont

Comment:

--

pr_images

@@ -63 +63 @@
  * The PR reduction class skips background subtraction in an effort to preserve extended emission structures. As a side effect of this process, the final skycells have arbitrary additive offsets which need to be corrected. The IDL script tile.pro does a fairly good job of performing this task. It performs a least-squares minimization of the brightness difference along tile boundaries. 
 
-
+[[Image(before.png)]]
+[[Image(after.png)]]
 
 === Create the color composite (IDL) ===
@@ -75 +76 @@
  * Final tweaks to the brightness, etc. are most easily accomplished in GIMP or Photoshop. I often use the color->curves tool to boos the brightness of faint regions and set the black threshhold to cover up noise. My transfer function usually looks something like this:
 
-
+[[Image(curve.png)]]
 
 == Unresolved Issues ==
@@ -82 +83 @@
 
  * Reduced data from the Fornax cluster display masked annuli around bright galaxies. This should be addressed. 
-
+[[Image(galaxy_mask_1.jpeg)]]
+[[Image(galaxy_mask_2.jpeg)]]
  * The I band stacking of the North American Nebula has been failing. (LABEL NUMBER???)