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submitted 4 weeks ago* (last edited 3 weeks ago) by eightpix@lemmy.world to c/aboringdystopia@lemmy.world

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"a bright visitor passing through the inner Solar System. Now, the orbiting satellites themselves only appear as streaks because of the long camera exposure, over 10 minutes in this case. On the contrary, to the eye, satellites appear as points that drift slowly across the night sky and shine by reflecting sunlight -- primarily just after sunset and before sunrise. The featured image was taken just before sunrise two weeks ago from Bavaria, Germany."

I guess the only ways to access the natural sky is to leave the atmosphere or to use AI to remove the trails.

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[-] JakoJakoJako13@piefed.social 4 points 3 weeks ago

Surely this is a bunch of trains right? If this is only 10 minutes of exposure and that's just the random floaters, Astrophotography is kinda fucked. Last time I went out to shoot was 4 years ago and you could see the satellites with the naked eye. It was nowhere near this many in the sky at once.

[-] Rivalarrival@lemmy.today -1 points 3 weeks ago

It's not nearly as much of a problem as this image would suggest. The processing method used in this image was specifically chosen to highlight the satellite tracks. This method would have hidden them entirely.

[-] squidman64@lemmy.world 1 points 3 weeks ago

Wouldn’t that have hidden the comet too?

[-] lurker2718@lemmings.world 1 points 3 weeks ago

No, the comet stays almosf stationary to the stars during such a short time. Hence, it is in every image and therefore also in the final median image.

For average astrophotography satellite trails are not really a problem as it may seem here. Almost any image is processed in such a way in any case. But there are special projects which are heavily impacted, for example the search for asteroids. There you need to look at each individual image, as fast moving asteroids would be deleted with this method.

this post was submitted on 27 Apr 2026
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