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EHN

Astronomer and software developer with interest and expertise in sky surveys, observing strategy and efficiency, data science, open science, and image processing.

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27 How can a spiral galaxy exist? Jun 4 '11
22 What do the colors in false color images represent? Jun 12 '11
17 What is meant when it is said that the universe is homogeneous and isotropic? Jun 6 '11
13 Why is the universe so organized? Jul 14 '11
11 What objects/states of objects with absolute magnitude do we know of? Aug 7 '11
11 Why don't we have a better telescope than the Hubble Space Telescope? Jun 18 '11
9 Recommend good book(s) about the “scientific method” as it relates to astronomy/astrophysics? Jun 16 '11
7 When taking a sequence of exposures for stacking/coaddition, what dither patterns are most commonly desired? Why? Jun 2 '11
6 What is an approximation of the average number of supernovae every century in the Milky Way? Jul 28 '11
6 Standards for scientific metadata in common-use image formats? Jun 29 '11
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