# lab3soln - AST 3722C Spring 2008 Lab 3 solutions Each...

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AST 3722C Spring 2008 Lab 3 solutions Each question worth 2 points; you get 3 freebies to make the total 25. 1. There are 8 eyepieces. The focal lengths are: 40, 32, 26, 20, 15, 12.4, 9.7, and 6.4 mm. 2. The magnifications for these 8 eyepieces are: 50, 62.5, 76.9, 100, 133.3, 161.3, 206.2, and 312.5. Note that the biggest eyepieces has the smallest magnification. 3. The fields of view of these eyepieces are: 53, 50, 41, 31, 24, 19, 15, and 10 arcmin. Note that the biggest eyepiece has the biggest FOV. 4-7. You should have two sketches here for each object, for a total of 8 sketches. Also you should have descriptions for all the objects. You're not judged on artistic ability but your descriptions should be detailed. More effort = Better grade. 8. - There was no number 8. 9. Convert the answers from #3 to radians and use Delta = 375000 km in the formula. Depending on which two eyepieces you picked, You should get linear distances of 5780 km, 5460 km, 4440 km, 3410 km, 2560 km, 2120 km, 1660 km, or 1090 km. The smallest thing you see on the Moon in the highest-power eyepiece depends a little bit on your visual acuity. Say you could see a

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## This note was uploaded on 11/09/2009 for the course AST 4700 taught by Professor Fernandez during the Spring '09 term at University of Central Florida.

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lab3soln - AST 3722C Spring 2008 Lab 3 solutions Each...

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