Wide field imaging can be accomplished by using a regular camera (usually a DSLR) and lens, using different focal lengths to adjust how large an area of the sky is captured. Depending on how 'deep' an image is desired, exposures of a few seconds can be taken by just placing the camera on a regular tripod. However, for anything longer than that, the camera needs to placed on a tracking mount to avoid 'star trailing' as stars move across the sky. The 'Technical Card' to the right gives the details for these particular images.
This fall, students were asked to take a wide field shot of a chosen constellation and then annotate it to show the main stars and any other notable features.
Click on the thumbnails below to see each student's final image and their own description of what it shows and how it was produced.
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