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For no reason at all, here's what it looks like when a satellite goes through Hubble's field of view whilst you are trying to image something in the distant solar system.pic.twitter.com/eLWR1ncdqx
I have another one of these somewhere from Gemini North, where I was splitting two components of a binary Kuiper Belt Object. They were only separated by the width of peppercorn seen from a kilometer away, and yet a satellite blasted out one of the two components.
YOU HAD THE WHOLE SKY TO FLY THROUGH. WHY DID YOU HAVE TO PASS THROUGH THE TRILLIONTH OF THE SKY THAT MY PHD THESIS NEEDED.
Whilst? You gonna throw around a word like that on here, son, you better show me a British birth certificate.
Does it have to be mine?
Yeth it doth.
Are the other things asteroids?
The streaks are mostly cosmic ray strikes on the detector.
Ah. That makes more sense. (Not knowing the integration time, I did wonder about that degree of motion during the imaging)
How often does this happen? Seems like the odds would be pretty low
If you're looking near where the geosync satellites are, it can be a lot...pic.twitter.com/4MBFBHVlBH
Wow! I had never considered this problem before! Like the milky way background when looking in the galactic plane but manmade
"no reason"
Glad to see JWST will be 4 times further out than Hubble.
JWST will go to Earth-Sun L2, which is 1,500,000 km towards midnight. i.e. more than 1000 times further out than HST is.
Nothing else orbiting out there right now besides @ESAGaia.
Just a nice quiet spot the budget will stretch to? Or does the lack or grav gradients at L2 offer a huge bonus in terms of positioning propellant?
JWST has to be kept cold to be able to observe objects in the mid-infrared. Parking it at L2 lets it stay in a position where it doesn't have to deal with Earthshine heating it up, while being close enough to transfer commands & data easily.
Ah, shadow and line-of-sight!
One of mine shots with a tiny scope: M51 in crossfire of 2 sattelites and one aircraft.https://photos.app.goo.gl/r3bEvesG3mCx6GAG3 …
What kind of aircraft flies that high?
The aircraft doesn't fly higher than usual. It's in the "foreground" so to say. No idea what type it is, but If you look closely you can see it had 4 engines.
Ohh, I was confused, I thought this was a HST shot with some really weird geometry. And couldn't figure out why anyone would point a space telescope back through the atmosphere.
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