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EPOXI

Two intriguing investigations -- One flight-proven spacecraft

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Deep Sky Challenge

As part of the Deep Sky Feasibility Demonstration, 260 images were collected of four targets: M51, NGC6960 (left), NGC6960 (right), and M27. The data are not expected to be used for any team papers, so the team has decided to make these images available through the website! Therefore, you have a chance to process them to make pretty pictures (like Steve did).
These images have been flatfielded, dark subtracted, etc., but they have not been reviewed or archived.

  • All images were taken using the MRI-VIS CCD on the Deep Impact Flyby spacecraft.
  • Images are in FITS format.
  • Images have been calibrated.
  • Information in the header may be inaccurate -- inherent information such as exposure duration or filter should be correct, but derived information such as geometry or phase angles may be inaccurate or missing.
  • All images are binned 1x1. However, not all used the full 1024x1024 pixel frame of the CCD chip, i.e., they are effectively 'cropped'.
  • Images were taken on 14-15 July 2011.

Challenge

Use the following images to make your own pictures and send us your results for posting here on the website. If you have your own website where you can post the images, just send us a link. If you do post to your own site, we ask that you include the following two lines:
          Data Credit: NASA/JPL-Caltech/UMD
          Processing by: Your Name
and then link back to this page. Whether you email us your version or post to your own website, be sure to include how you processed the image so that others can learn from you!!

Technical Details:

target exposure ID # of images frame size exposure (ms) filter
M51

all 65 (~75MB)
1000000 1751210200001
100000165123000001
1000002751210200002
100000365123000002
1000004751210200004
100000565123000004
1000006751210200005
100000765123000005
1000008751210200007
100000965123000007
NGC6960-1

all 65 (~295MB)
100001015102410200001
1000011410241200001
1000012410243001
10000135102410200002
1000014410241200002
100001541024120002
10000165102410200004
1000017410241200004
10000184102415004
10000195102410200005
1000020410241200005
10000214102490005
10000225102410200007
1000023410243000007
100002441024900007
NGC6960-2

all 65 (~295MB)
100002515102410200001
1000026410241200001
1000027410243001
10000285102410200002
1000029410241200002
100003041024120002
10000315102410200004
1000032410241200004
10000334102415004
10000345102410200005
1000035410241200005
10000364102490005
10000375102410200007
1000038410243000007
100003941024900007
M27

all 65 (~20MB)
10000401725610200001
100004162563000001
1000042725610200002
100004362563000002
1000044725610200004
100004562563000004
1000046725610200005
100004762563000005
1000048725610200007
100004962563000007

1 Image sets used by S. Wissler.

Table 1: Table containing information about the images.

 

filter wheel position Center wavelength (nm) filter width (nm) target measurement filter 'name'
1 650 >7001 context clear1
2 514 11.8 C2 in coma C2
3 526 5.6 dust in coma green cont.
4 750 100 context red
5 950 1002 context IR
6 650 >7001 context clear6
7 387 6.2 CN in coma CN
8 345 6.8 dust in coma violet cont.
9 309 6.2 OH in coma OH

1 Filters in position 1 & 6 are uncoated fused silica and not band limited.
2 The 950nm filter is longpass.

Table 2: Table containing data about the MRI filter wheel. Filters used for the deep sky images are highlighted.

Credit: NASA/JPL-Caltech/UMD

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