![File:Merging Group Arp 194.png](http://upload.wikimedia.org/wikipedia/commons/thumb/a/af/Merging_Group_Arp_194.png/468px-Merging_Group_Arp_194.png)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 23:01, 2 March 2018 | ![]() | 1,494 × 1,912 (3.01 MB) | Fabian RRRR | =={{int:filedesc}}== {{Information |Description=These galaxies were imaged with Hubble's old WFPC2 instrument with three filters, and 8 exposures for each filter. The goal was to reach a quality approaching that of the newer Advanced Camera for Surveys (ACS). According to [https://archive.stsci.edu/proposal_search.php?mission=hst&id=11956 the proposal abstract] they were running out of good images to share while waiting for some astronauts to get up there and service the telescope. Tense times at the office of public outreach, eh? These observations were subsequently used for Hubble's [http://hubblesite.org/news_release/news/2009-18 19th Anniversary] image. Hubble's 28th anniversary is coming up next month. What wonders await? It seems like just a short while ago last year's anniversary came. Oh, how the years creep by, almost unnoticed... As is usual with spiral galaxies, the blue areas represent areas of either younger stars, active star formation, or both. Whiter and yellowish ... |
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