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Everything posted by Rareden
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really? as far as i know having the secondary mirror there reduces the overall brightness /Fstop, as for the blurriness it depends on the quality of the mirrors, for instance the heres a comparison between the celestrons standard and HD mirror, I unfortunately have the standard and you can see the bloating/ blurring effect on my last image.
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Reflectors are cheaper compared to a same spec refractor, i dont agree that a refractor has better image quality however, more lens = more chromatic aberration and diffraction, a 6inch Newtonian reflector is pretty good for its price depending on what your wanting to observe. I do find that my 8inch 2000mm scope has too much magnification for the deepsky photography i like to do, cant even get all of orion in the view with it. I would sell it for a newtonian if it didnt have a damaged mirror.
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yea through the eye piece its sharp but small, if i use my camera its quite blurry and after processing if turns out like so, cant get anything as large or sharp as your planet shots.
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Ah i have the same telescope specs then, havent been able to get planet images that detailed with it though, must be the air clarity.
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Nice, whats the focal length of it?
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Uranus will be rather difficult to see as well due to its distance from us, probably will be a faint green dot.
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Got a shot of the Eta Carinae core last night. stack of 21 3min 20sec exposures. The weird distortion in the stars towards the bottom of the image is due to the nature of my telescopes mirror unfortunately.
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you dont need them, a spectrometer is used to identify what wavelengths of light are coming from the nebula, filters will block certain wavelengths. Every element gives off a certain wavelength of light when ionized which the camera picks up during a long exposure, you can then identify what elements are in the nebula based on the colors/wavelengths being emitted
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Correct me if im wrong but I think the colours you see In a nebula are mainly from the type of gas being ionized if its a emission nebula like orion, pink/red is hydrogen usually with a hydrogen alpha pass as well if they are using a infrared sensitive CCD, blue is nitrogen and green is oxygen?. I think the colours can be determined with a spectrometer or a Discharge tube.
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I have a celestron 8" scope with a f6.35 focal reducer, Celestron AVX mount, off axis guider with a nexguide attached and a Infrared modified canon 600d as well as a 6D for non nebula shots. yes city light pollution was a factor, i was just in my backyard, i usually try to get at least 40km away from a city when doing astrophotography
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Greetings, finally got a decent EQ mount for my scope, heres a test shot of the Orion nebula. full moon was up unfortunately, so rather a lot of light pollution obscuring the dim details. 68 1min 20sec exposures with autoguiding, full moon was preventing me from using a longer exposure
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mmm if i get some spare time perhaps, link me what you would like and ill take a look. also update OP with a shot from Voyager film, yes we are still working on it.
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well ok, apparently my reply never got posted, I may be able to convert it to a usable ksp format, i did mess around with planet factory mod but had a weird issue with terrain planet scale vs the scaled space model, never got around to finding out what was causing it.
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Your testing my memory with that one, i think it was a mix of the standard duna diffuse texture blended with a bit of procedural maps, and the height map was the standard duna mixed with the normal map. I did mess around with generating planets and adding them with the planet factory mod, got a weird bug with the distant space model being far smaller than the actual planet, so when you got within 400km or so it would suddenly get huge as it switchs to the actual terrain mesh.
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Link is broken
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No i copy the RGB image and convert it to grey scale and work on that to enhance the DSO then apply that to the rgb image as the detail layer, the rgb image is just for color.
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If by clear you mean no star trails? im autoguiding my mount, when the mount decides to cooperate anyway
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The lagoon shot is 10 5min exposures, antares is 23 5min exposures, unfortunately they are in light polluted skies, havent had time to take a trip to dark skies. The Dso shots are taken with my 70-200mm f2.8 lens, the shot of the moon is my 8" celestron scope with a 2x teleconverter on the camera, i intend to use the 8" scope when i get the new mount for Dso imaging using a f6.3 focal corrector. For prepossessing im using the LRGB method and the photoshop astro actions plugin.
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wow really, 2000 posts, well there will be a video out very shortly, so i guess that could count as celebratory.
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indeed, was rather funny when i first made that and put it on reddit, i received rather a lot of flak for it because quite a few people thought it was just a photo of a rocket launch and not a render or anything to do with ksp.
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Well not compared to "kookoo_gr" My mount has been restricting me unfortunately, cant use the 8" scope on the wedged SE mount because the mount cant take the weight.
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Greetings, been using my celestron 8SE mount on a wedge with my 6D or modded 600d with 200mm 2.8 lens, nothing spectacular, saving up for a avx mount so i can use my 8" scope with autoguiding.
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3ds max mainly for rendering plus some modeling, zbrush for other modeling.
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indeed, back when i was making images the plugin didn't exist, plus i don't use blender.