Close × 2021 January 13: The HLA footprint viewer no longer works because it relies on Flash. If you need footprints, we recommend using the MAST Portal. Note that the Portal also gives access to the new Hubble Advanced Products (HAP).
Hubble Legacy Archive

Image of the Month for March 2012

Advanced Contrast Controls / Hubble Hidden Treasures Contest

Interactive Display for 10188_10 ACS/WFC F814W...

Highlighted HLA Features:

Color images are automatically produced in the HLA whenever images are available in two or more different filters. Default values are used to set the brightness, saturation, and background sky values for the red, green, and blue images which are used to make the color image. However, you can adjust these values yourself using the "advanced contrast controls". You might also be interested in entering the "Hubble Hidden Treasures" contest described at

This display can be reproduced in the HLA by using the following steps or clicking on the image above.

  1. Type into your browser. Click on the "Enter Site here" button.
  2. Type "Antennae" in the search box, click the "Advanced Search button", find "Data Product" and choose Color (Level 4) from the drop down.
  3. Interactive Display for 11580_03 HEN3-1475...
  4. Click search.
  5. Click on the "Images" tab to see the 38 color images.
  6. Scroll down to find the 12th image which is called "N4038+39-Middle (color)". It consists of a combination of ACS images using three different images: F814W (Red), F550M (Green) and F435W (Blue). To work on this image click on "Interactive Display".
  7. Zoom out to see more of the galaxy by clicking on the "-" in the upper left twice. Now click on "advanced contrast control" in the upper right. You can then adjust the image controls yourself. The image below was created by: RED: click "lighter", GREEN: click "darker", RED SATURATION: click "-" .
  8. Interactive Display for 10188_10 ACS/WFC F814W...
  9. Play around yourself. Made a mess? Just click on "Reset" (upper right) and start over.
  10. If you want to save a jpeg version of an image click on the floppy disk icon in the upper right corner.
  11. If you are interested in entering an image in the Hubble Hidden Treasures Contest click on to see the guidelines.
Additional Information:
Interactive Display for 11580_03 HEN3-1475... Interactive Display for 11580_03 HEN3-1475...