Combining em spectrum images Your task




Дата канвертавання24.04.2016
Памер6.48 Kb.
Combining EM spectrum images

Your task is to produce a composite image of the chosen object by combining several of these images to match the composite image provided.

To download these images from the HTML documents, right-click on each one, select ‘Save Picture As’, then save to a location on your computer. Then:




  1. Load the image ic443_comp.jpg in your picture editing software
    (eg Paint.NET, Photoshop, etc). This is what you are trying to match.

  2. Load the image ic443_comp_radio.jpg.

  3. Load the image ic443_comp_opt.jpg and follow these steps:

Adjust the opacity of the layer (how transparent the layer is).

  1. Load the image ic443_comp_xray.jpg and repeat the steps

above.

  1. Adjust the opacity of the layers to match the original image.

  2. Save the resulting image as ic443_matchup.jpg.


Think about: How does your image compare with ic443_comp.jpg? What extra information do you think scientists are able to extract from the separate and combined images?
Conclusion:
Source: http://chandra.harvard.edu/photo/2006/ic443/more.html
Further images of galaxies NGC 4258 and IC 443 can also be downloaded from the main HTML page for you to experiment with.
Source: NGC 4258: http://chandra.harvard.edu/photo/2007/ngc4258/

IC 443: http://chandra.harvard.edu/photo/2006/ic443/


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