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karlperera

HN member
Joined
Tue, Apr 25, 2023, 7:05 AM UTC
HN karma
176
Public activity
132 items

About karlperera

AstroImagery is a platform dedicated to exploring and sharing the wonders of the universe through high-quality astronomical images and insightful commentary. Our mission is to make the beauty and science of the cosmos accessible to everyone, from curious beginners to seasoned enthusiasts.

Founded by Karl Perera, an avid astronomy communicator and technology enthusiast, AstroImagery combines a passion for space with a commitment to clear, engaging storytelling. Karl brings years of experience in science communication, digital media, and education, aiming to inspire curiosity and foster a deeper understanding of our universe.

Recent public activity

  1. story
    Show HN: I Fixed My Mount Balance Problem with This $15 DIY Trick

    Hey HN, I've been struggling with mount balance issues in my astrophotography setup, leading to frustrating tracking errors and wasted imaging time. Instead of buying expensive cou…

  2. comment
    Comment #44754532

    This new AI system from UC Riverside and Google can detect manipulations even when faces aren’t visible. By analyzing motion, background, and subtle inconsistencies, it tackles a g…

  3. story
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    Comment #44747743

    Into its component molecules. For example, PET plastic (used in bottles) is made of many units of ethylene glycol and terephthalic acid. The enzyme breaks the bonds linking these u…

  5. comment
    Comment #44743755

    Researchers at MIT have used AI to design enzymes from scratch that can break down common plastics like PET in just hours at room temperature. This could revolutionize recycling an…

  6. story
  7. story
    Show HN: Testing 3 Filters: Tulip Nebula – Which One Works Best?

    Hey HN, I recently captured the Tulip Nebula using three different filters (Optolong L-Pro, ZWO Duoband, and No Filter) and put together a video comparing the results. The goal was…

  8. comment
    Comment #44732305

    This genome sequencing uncovers unexpected Mesopotamian ancestry, shedding new light on cultural and genetic exchanges in antiquity. It’s a reminder of how interconnected ancient c…

  9. story
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    Comment #44720126

    This discovery that newly synthesized DNA remains accessible for hours after replication opens up fascinating possibilities. Targeting this ‘hyperaccessible’ state could allow for …

  11. story
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    Comment #44689176

    Thanks for addin gthat, yes absolutely right!

  13. comment
    Comment #44687491

    Astronomers have just detected 3I/ATLAS, only the third known interstellar comet to pass through our solar system. Discovered July 1 by the ATLAS survey in Chile, its trajectory co…

  14. story
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    Comment #44681505

    Researchers have discovered that the cowpea mosaic virus (from black-eyed peas) can activate the human immune system to attack cancer cells, without infecting human tissue. Unlike …

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    Show HN: Stop buying expensive gear, improve your processing skills instead

    Hey HN, It's easy to get caught in the trap of thinking the next expensive piece of gear is what's holding your astrophotography back. I've found that the biggest gains often come …

  18. comment
    Comment #44613103

    That's a very good question, I believe in the case of telescopes it's to offer them at a cheaper price.

  19. comment
    Comment #44605911

    Good to know this as I use a bog standard very basic focuser and do it manually.

  20. comment
    Comment #44605895

    No I don't even use a dew heater because it's warm here. I am imaging from Turkey where skies are blue and it does tend to be windy as I'm near the sea.

  21. comment
    Comment #44605875

    Tried to keep them as near as possible but not exactly the same no. I still think the differences can be shown comparatively though.

  22. comment
    Comment #44605793

    Very true mate. Fortunately, I have a very clear sky and maybe 300 plus days when it's crystal clear. It is a rabbit hole I was warned but didn't listen!

  23. comment
    Comment #44581450

    This looks like a huge step forward. Researchers from DeepMind and UCL used AI to find a more accurate 'density functional,' solving a problem that has challenged chemists for deca…

  24. story
  25. comment
    Comment #44572556

    As with most technology there is both a potential for harm and a potential for the positive. Knowledge can be incredibly dangerous in the wrong hands but we can't exactly unlearn t…