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cconstantine

HN member
Joined
Thu, May 29, 2008, 3:22 AM UTC
HN karma
543
Public activity
171 items

About cconstantine

I'm this guy, ya know?

Recent public activity

  1. comment
    Comment #44660001

    > why not put a whole bunch of filters in front of a mono camera and get much more frequency information? Just rgb filters aren't really going to get you anything better than a bay…

  2. comment
    Comment #44659868

    For the vast majority of things in the sky, they'd see black. This stuff is incredibly dark, and we need hours of exposure time to get enough signal. Even after hours of exposure t…

  3. comment
    Comment #44084544

    The problem is that the noise can swamp the signal. Another example of this would be doing astrophotography during the day. The sun doesn't block anything, it just makes the sky gl…

  4. comment
    Comment #40215519

    How about a talk by an expert on the topic of noise in an image: https://www.youtube.com/watch?v=3RH93UvP358

  5. comment
    Comment #40215303

    I don't remember exactly what I did, but I do remember running into that kind of problem. I probably used starnet2 to remove stars before doing much processing, and recombining sta…

  6. comment
    Comment #40213020

    I've seen some pretty impressive stuff done with a relatively cheap / simple DSLR setup. The basics of astrophotography aren't that expensive, but it gets exponentially more expens…

  7. comment
    Comment #40212900

    Haha, yeah. I could go on for hours. I've had to learn that most people really don't want a lecture series on the finer points of astrophotography. Seabass's comment was pretty muc…

  8. comment
    Comment #40206558

    It's a wonderful niche/technical hobby, but it's not cheap. You could even say it's "pay to win". I didn't buy all of my stuff at once, and I had some mistakes, but I'd guess I use…

  9. comment
    Comment #40206541

    Oh nice! Except for Alnitak (I love me some spikes), I like yours more.

  10. comment
    Comment #40205301

    Well, if you think photography is too easy you could try taking up astrophotograhy :)

  11. comment
    Comment #40205285

    Thanks, but it if you look closely you'll see that the Webb image has almost an image worth of detail within each pixel of my image.

  12. comment
    Comment #40205270

    Thanks! I hadn't gotten to writing this out, but you've pretty much nailed it. > They most likely used a secondary camera whose sole purpose is to guide the mount and keep it point…

  13. comment
    Comment #40204187

    Absolutely incredible. For a little bit of context for how impressive this is, here's my take on it with a consumer grade 8" Newtonian telescope from my backyard: https://www.astro…

  14. comment
    Comment #37138854

    I've been using terraform for 10-ish years, and this is very much not how I feel about it. Terraform absolutely makes life easier; I've managed infrastructure without it and it's a…

  15. comment
    Comment #36864053

    Yes, you can :) It all depends on the properties of the signal and the noise. In photography you can combine multiple noisy images to increase the signal to noise ratio. This works…

  16. comment
    Comment #36604092

    I think this is a really important comment, and until about 6mo ago I would have completely agreed with you. I even made these same arguments with my coworkers; it's just cooperati…

  17. comment
    Comment #36035225

    In a language like C that isn't really possible because the language can't keep track of all of the places that memory address is stored. If malloc were to return something like an…

  18. comment
    Comment #33254732

    Amateur astrophotographer here. What I'm going to talk about is true for my rig. The JWST is astronomically a better telescope than what I have, but the same basic principles apply…

  19. comment
    Comment #29733048

    Yes, they can be. Self-diagnosing isn't a great idea; lots of non-depressed people have some symptoms of depression. It would probably be a good idea to find someone to talk with t…

  20. comment
    Comment #29676250

    Every place I'v worked has celebrated fixing things that have broken, and forces engineers to fight for prevention. It's not exactly celebrating things breaking, but it sure looks …

  21. comment
    Comment #29658687

    > This means no one can even tell you were bankrupt after 7-10 years, which is pretty incredible feature for borrowers. This is absolutely not true. The record of your bankruptcy l…

  22. comment
    Comment #29658623

    I'm going to assume you're a business person. Commerce is vulgar, but as long as you're making (b|m)illions off me could you let me do my thing? Stop taking things that work for te…

  23. comment
    Comment #29658538

    I'm not saying bankruptcy is bad. It's a necessary escape hatch for the credit industry, and shouldn't have the stigma it does. maunder is absolutely right; the consumer credit ind…

  24. comment
    Comment #29658228

    Creditors love people who have recently filled for bankruptcy. They're vulnerable, known to be bad with money, and can't file again for a number of years.

  25. comment
    Comment #29658215

    This is a lie that needs to die. Bankruptcy might get removed from your credit report, but the public court records never do. Anyone who does a credit check can (and will) search t…