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Exposure Planner for the Halo | If I want to get a low SNR for this galaxy's halo, Exposure Planner tells me that I will need to take 153 images at 300 seconds each, for a total time of 12 hours and 45 minutes. |
Total images: 38 | Last update: 4/21/13 7:48 PM | Darklights Home Page | Help |