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Galen Gilmore

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About Galen Gilmore

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    Sub Dwarf

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  • Interests
    Astronomy, Soccer/football, Videogames, nature, science
  • Location
    St. Louis, MO

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  1. I suppose you have to oversell it a bit in order to get clicks on Youtube. You guys seem rather familiar with Mark's Stretch, where as this video is my first introduction to it. Also, I would always trust the word of my fellow SGL members over a video I found on Youtube, haha.
  2. So I talked to the guy who made the video, this is what he had to say about the inquiries: So take from that what you will. Again I'm not very experienced when it comes to all of the technical details, all I know is that the process produces some very nice results from what I have seen so far. But there is no perfect process for every situation, what is described in the video can probably be improved upon in one way or another, but I'm not the person to ask when it comes to that.
  3. Im not knowledgable enough to really comment on everything that you mentioned, but isn't a green color cast after debayering normal on the ZWO asi294? And for the second point, I see what you mean, it does seem a bit odd. But surely it doesn't change color balance too much, considering you are eyeballing the colorbalance, and you are only changing the black point per individual channel by only 1 - 2 positions.
  4. I doubt you would need anything too expensive. Many people just use a flashlight/torch, and I use my computer screen with a blank white screen displayed. Just make sure you are covering the aperture of your scope with a tightly pulled t-shirt or something similar so that the light is evenly dispersed.
  5. I just processed a picture I took a couple months ago because I only just got around to doing it. But I also just happened to stumble across an interesting YouTube video about a processing technique called the Arc Hyperbolic Sine Stretch. I decided on giving it a go on M57, and all I have to say is WOW! The technique did a great job of making the image feel very natural by preserving star color, and preventing them from becoming bloated. If anyone else is interested in it, here is the video. The image is about 1h 22m of 2m exposures from my SW 130PDS, and Canon 600D
  6. I finally got around to doing some more stuff with the good 'ole 130PDS! I used a new processing technique called the arc hyperbolic sine stretch to edit this image, and it has done absolute wonders to make the image feel more natural! Here's the link to the video in case anybody is interested.
  7. Looking good! I've been getting back into it as well.
  8. Here's M97 & M108 from Sunday, very impressed with how it turned out, especially during a full moon. 48 x 120s, ISO 800.
  9. That's fantastic, my first definitely didn't look like that.
  10. I don't have much else to post at the moment, so here is a reprocess of the Pleiades I took over 2 years ago. It really shows how much better I have become at editing my images, and how much detail you can really pull out if you do things right.
  11. I wasn't sure exactly where I should put this, so I put it here. Mods feel free to move it if you feel it belongs somewhere else. I have started a project to see if I can find an asteroid, comet, or dwarf planet using only my own equipment, and no prior knowledge of the locations of said objects. Mind you I don't want to discover one, that would be out of the reach of my equipment. To document my progress I have decided to make a series of Youtube videos that shows what I am doing, why I am doing it, and what I am learning. It has been a while since I have done any astronomy, or been
  12. Incase anybody is still on this thread, I have made a youtube video documenting what I did on the first night.
  13. I might consider holding off on the light pollution filter until you have started doing some basic imaging with it, as you might find you won't necessarily need it right away. Although I haven't used either filter, I have heard that some visual light pollution filters aren't quite suited to imaging, as they can upset the color balance quite a lot. But I'm sure others will provide more accurate and in-depth info than I can.
  14. I'm not really planning on trying to discover any, that is likely out of the reach of my equipment. This is just a little project/experiment I'm doing to learn about this kind of astronomy.
  15. Interesting idea, this actually removes the need to take multiple pictures of the same area of the sky, right? Thanks, I’ll try it.
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