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Juel

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About Juel

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    Nebula

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    Denmark
  1. I have the 80ED pro and I am very happy with it. It is good for both visual and imaging, though you need the flattener for good imaging. Nice field of view, good optics, light weight. Mine has the crayford focuser, and it has no trouble handling my dslr with flattener, adapters and all (just remember to lock when you have focus). I have come to appreciate the light setup of a small refractor, so in that department, the 72 would do well too. I haven't tried the 72 though. I believe there is an old thread on here somewhere with photos taken with the 80ED pro.
  2. Hello all you astro-smart people. I am looking into getting a guide system for my setup. Due to budget, well-priced bundles and other things, I think I might go for the Altair GPCAM Mono as the camera and....here I need help. I'm trying to decide between the Orion mini 50mm Guide Scope which I've sene used by many, or the Starwave 50mm Guide Scope. Any recommendation on the two? Comments on the camera will be helpful aswell. Thank you for any help.
  3. Sorry for the late reply. I use a SkyWatcher Evostar 80ED Pro on a HEQ5 mount. I got a great deal on the mount used. The tube can be bought in a package that includes a finderscope, carrying case, diagonal, and an eyepiece. Because I got the mount used, I think my scope and mount cost me around 900GBP. On top of that comes the reducer at around 200GBP. There is ofcourse also the option of buying a newton instead, as it will give you more apperture for your money. In that case you have to make sure it has enough back focus for your camera to get into focus. And then there's collimating, and what-not. But I haven't been doing any imaging with a newton. A thing I really like about the 80ED is how light and easy it is to handle.
  4. I agree with the HEQ5 and an APO (or and ED with a field flattener - APO can be a bit expensive). Guiding is something you can start out with or evolve into. I don't have guiding yet myself - it is on the list, but I mange pretty good without it so far. Just make sure you practice the polar aligment. The Bahtinov mask is a BIG help for focusing - you can buy it or cut one out yourself (if you have good patience). My setup is HEQ5, SkyWatcher Evostar 80ED with field flattener/reducer, and Canon 700D. Works pretty good at my stage on the learning curve. Astro photography is a money sink if you're not careful
  5. With my 600mm scope I currently get 60s exposures mounted on HEQ5 Synscan, unguided. As my polaralignment gets better, I've improved from 40s exposures, and I'm confident I will be able to get a good deal more.
  6. My first attempt at imaging a DSO ended up in the trash due to star trails. The second was decent and made it to the finish line. But now I have got the reducer for my Evostar, and the field is much nicer. I went for M31. I still have a steep learning curve to do on processing, but compared to the first two tries, this is much better and very satisfying
  7. Last night I got a whole bunch of lights, darks, flats, and bias, taken with my dslr. Now I'm about to stack themin DSS, but I notice that some are in landscape mode and some in portrait mode. Does it matter? If I have to rotate them before stacking, how do I do that? And how do I know which is 'right side up' for darks, flats and bias?
  8. It is a doublet. Mine only has very minor CA and I only ever see any in photos without the reducer (and even then I have to look for it to find it). I never see any visually.
  9. timtomxf: As Phil-lost mentioned, a bahtinov mask is a great help for achieving focus. I made one myself out of the back of a thin black plastic folder. It took while to cut it all out and you have to be really careful, but it works great. They don't cost a lot though, so you can also buy a more solid one.
  10. I have an Evostar 80 ED Pro, and I am very happy with it. It has a very nice and crisp image, and works perfectly as a grab and go scope. The 90mm would be larger ofcourse, but I haven't been close to one, so I can't say how much. I can deffinately recommend the Evostar optics.
  11. As Peter says, some people have talked about the focuser not being up to par, but mine worked perfectly smooth right out of the box. Check the images in the link in my first post. Maybe that will help you decide if it is better than your lens. Many zoom lenses don't make the same quality pictures at all focus length, but I don't know about yours.
  12. I got mine a couple of months ago, and I'm very happy with it. I use a HEQ5 aswell and it's rock solid with this light scope and my dslr. Check out this thread about AP with the evostar: http://stargazerslounge.com/topic/236987-what-can-the-skywatcher-evostar-ed80-do-for-me/
  13. I'm very new to AP with only a couple of "succuessful" shots under my belt, but enjoying it all immensely, Here's one of M45 taken with my new Evostar 80ED. 58x40sec at ISO800. No fieldflattener, but tried lens correction in Lightroom. Critique is very welcome!
  14. Yes with good polar alignment, Polaris shouild stay on the circle as the mount tracks. However, it would make one full turn in 24 hours, so looking through the polarfinder to see if alignment is good is impractical at best. Instead, once you think you have a good alignment, take a test shot with your camera. Zoom in on the photo and look for star trails and thus decide if your aligment is acceptable. This is done easiest with a shot of the sky towards the horizon, as the movement of the stars are more pronounced there.
  15. Yes, the circumpolar constellations are the ones that never drop below the horizon. Which ones, will depond on the latitude you're oberserving from. A planisphere illustrates the concept very well. Also a planisphere will have note about which latitudes it will be accurate for. It is all a lot to take in, so as so many others have said, take your time. I've been looking at the stars on and off for probably 30 years now (when time, energy and cloudcover permits), and I still feel like I'm behind on my learning curve - and I enjoy having lots and lots more to learn. I always bring a notebook or my phone, to put down a few notes, if a question pops into my head, while I'm stargazing. Then I can go home and look it up. And like you, I use Stellarium a lot.
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