I post pictures with my other account @Deme@lemmy.world

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Joined 1 year ago
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Cake day: August 9th, 2023

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  • Deme@sopuli.xyzto196@lemmy.blahaj.zoneRule
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    2 months ago

    I’m no astronomer or astrophotographer, but this picture of the moon clocks in at around 320 meter angular resolution. That being said, a lot of post-processing goes into a shot like that, so some detail may be lost due to that. The atmosphere of the Earth is pretty difficult to deal with as its disturbances cause fuzziness and shimmering. Stacking multiple frames can help, but it’s still never perfect. Earth based telescopes sometimes shoot a laser up along their line of sight to get an idea of how the atmosphere is messing with them.

    For comparison, The Hubble space telescope gets around 90 m angular resolution for objects at the distance of the Moon.




  • Deme@sopuli.xyzto196@lemmy.blahaj.zoneRule
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    2 months ago

    I did a two minute internet search and every result says that the Hubble doesn’t have the angular resolution for this. It could resolve a football field on the moon, but not anything smaller.

    It was made to look at nebulae and galaxies, and those are a lot bigger, even in apparent size.

    Focal distance doesn’t matter when the aperture is so infinitesimally small compared to the distances. All space telescopes are focused to infinity no matter what they’re observing up there.




  • Deme@sopuli.xyzto196@lemmy.blahaj.zonePilot rules
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    2 months ago

    The twitter user is an actual commercial pilot, and ACARS messages do look like that. Not sure what’s up with SKW2438/SKY2438 but otherwise it seems legit. I think faking it would be harder than actually doing this.

    Edit: Here’s a picture of a much longer message in a more professional, non furry rp context: