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Originally Posted by Eric Hahl
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From an Astro-photographers viewpoint I never understood the problem with the above. The Satellite only ruins one photo of the stack of photos, usually counted in the hundreds. The software used to create astro photos can easily remove the outliers yet day in and day out we hear about satellite's ruining photos. Every one of the photos I've posted in this thread probably has an average of 10 or more satellite's streaking through them. Can you see any?
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You're not an astronomer.
Meaning, every second of time that an astronomer has under dark skies at a research telescope is valuable. They wait months or years for their 1, 2, *maybe* 3 nights at a scope, and every minute of dark time is accounted for. 10% of the images having a satellite flare across it would ruin a years worth of planning and grant funding.
Also, BIG scopes with BIG cameras are far more sensitive than your astro-rig, obviously. You might take 13 hours of one location, 5 minutes at a time and toss the bad 10%. They might take 10 minute exposures at 100 different locations in a night, so any that have a satellite might be an entire data point ruined.
Research imaging is a very different beast than astro-imaging. Variable stars, spectroscopy, occultations, all imaging runs that cannot afford to have a satellite scream across the chip flaring the CCD.