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etunar

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Everything posted by etunar

  1. So I take it accurate star masks are a crucial step for processing any astro image?
  2. nice one. I never knew there was so much detail around M45! Looks like a tricky one to process with all the subtle detail.
  3. all 3 are great images. 8 minutes on star adventurer is very impressive. was it guided?
  4. lots of subtle detail. the more you look, the more you see!
  5. Thanks Wim. This all sounds way beyond my capability at this stage (both skills and gear) but it's definitely good to learn for future. It's the original sigma 50mm f1.4 lens (not the new art version).
  6. Thanks btw, i was a bit shocked by the gear/exposure length of that photo I forgot say thank you. Yea 6D is not modded. I do landscape photography as well so I didn't want to mod it. But I think next logical step for me would be to have a modded camera and try to capture Ha wavelengths to improve details - at least that seems like the next logical step for me?
  7. thanks for that info, and bloody hell is all i can say 3 down 217 hours to go Well it's not just the exposure though, since it's a mosaic you are going to capture much more detail with the longer focal length unless it was a really low mp camera (which i doubt it). One question with these mosaics.. I assume they would be very difficult without guiding? How do you go back to exact same area of the sky at such a long focal length on different nights? I did a huge milky way pano at 50mm and that was difficult enough to make sure I captured everything correctly. With guiding you can easily go back to a previous spot, or am I understanding guiding wrong? you are definitely right about experience and knowledge part. It's a long process to master it. I get to go back to cyprus for a week or two every summer so at least I get few nights of clear skies guaranteed every year.
  8. I did look at his website. He doesn't list his equipment (as far as I can see), but clearly he has spent a lot of time in astrophotography considering his achievements and portfolio. It's one of those things if I knew for sure it's beyond the capability of a dslr, I'd accept my fate
  9. Just saw it. Quite similar results. Although A7S is one capable camera at high ISOs!
  10. Not sure if I can dither automatically with the star adventurer tracker... Unless it's part of guiding software? I am reading a bit more about star masks to see if it's viable when I have tons of it in the image. But yea, narrowband may be the next step...
  11. Location was exmoor, so as dark as it's going to get in this area. Yea, I understand astro processing is a black art itself. And then you got so many different software with completely different processing techniques to make it more complicated
  12. I have been trying to do that, but after a certain point stars look like dust speckles and image looks very rough as opposed to the smooth image in that link. yea that's what I tend to use. It works to a level, but I can't suppress enough without ruining image quality.
  13. Finally managed to have a proper go at Orion Widefield last weekend. 45x240s (3hours) with Canon 6D and 50mm f2.8 at ISO800. No darks/bias/flats. Stacked in DSS and processed in PS. I am pretty happy with the result but now it got me thinking, how do I go from this to this: https://en.wikipedia.org/wiki/Orion_Molecular_Cloud_Complex#/media/File:Orion_Head_to_Toe.jpg Is it a matter of longer acquisition, or is that CCD territory?
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