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Yes, came to say the exact same thing. I am not at all familiar with the photographic plate procedure, but it seems likely there is room for all sorts of tinker
by nonbel 11y ago
Yes, came to say the exact same thing. I am not at all familiar with the photographic plate procedure, but it seems likely there is room for all sorts of tinkering with parameters like gain, lighting conditions, white balance, whatever that would allow any bias to shine through.
- Sanddancer 11y agoThe aperture, exposure time, etc would all be recorded with the plate, so any bias would be absolutely minimal. Additionally, photographic plates don't have a single star on them, but rather a field of stars, so any overall bias would be applied equally to the entire field and weighted out.