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Open Data, Citizen Science, and Amateur Astronomy
Grade Level
Astronomy
AST.290 Open Data, Citizen Science, and Amateur Astronomy
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A group estimates a comet's brightness using volunteer reports. Which method best improves consistency across observers?
A
Average all reports without checking whether observers used the same reference stars.
B
Use only the most dramatic brightness estimates because they are easiest to notice.
C
Use a shared comparison-star chart and require volunteers to report the comparison stars they used.
D
Ask each volunteer to invent a personal brightness scale.
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