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labtech1122

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    Yaxley, peterborough, uk

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  1. Ah of course, sorry. It's a skywatcher 72ed with asi183mc pro, asiair plus, zwo EAF on an Eqm35-pro (I do have an heq5 pro but I tend to use that for my celestron sct. Also in bortle 4-5 depending if I travel a few miles up the road, usually St home thats a bortle 5
  2. Hi, I'm just wondering if anyone can give some advice. I have purchase this fikter over a month ago and it's been cloud since I've finally got an opportunity to test it tomorrow but I needed a bit of advice with the exposure times. How much would you increase the exposure time by compared to uv/ir cut filter? Thanks for your help George
  3. I did notice with a preview shot there are some halos around the stars (which I am under the impression is normal) the only explanation I can think of is when the stars are in perfect focus the halo is throwing off the auto focus software?!?
  4. Hi, I've had this weird thing happen to my auto focus runs this evening. When it runs it goes through the curve then starts going back up again as if it knew the correct focus then goes down again. So odd. I tried restarting asiair, resetting the focus tube position, checked all imaging train and everything looks OK. It's like on the point of actual focus it thinks the stars are bigger. The only thing I have changed since it worked OK last time was I swapped a CLS filter for a antlia quadband filter (the antlia is the filter fitted in the images)
  5. Hi, I have been having alot of issues with connecting my celestron focus motor. I downloaded cpwi and its connects ok and calibrates, when I try and connect to it through NINA it won't work at all. I have a skywatcher heq5 mount so I'm connecting the focus motor directly to the computer. The ascom diagnosis says its unable to open port 5 (the motor port) but I'm able to connect to it via cpwi. If I choose cpwi in NINA as the focus motor location it isn't able to open it or find the drivers. If anyone has a celestron focus motor and a SW mount please help me with as much detail as possible Thanks George
  6. It doesn't seem to be in the single exposures. Or so little its not registering
  7. Hi, please help. I had this last night too, for some reason I seem to have some red spikes on my histogram and can't work out what it is. Any idea? It seems to be getting worse as the stacking commences
  8. Oh ok, ill give this a go. So do I do the normal steps with calibrations on the lights for each set then register the calibrated lights all together?
  9. I've seen this before, love his videos, he's taught me everything I know about siril haha. I've been using sirilic but there isn't a section for separate darks
  10. HI, this is my first proper galaxy shot I took using my skywatcher 72ed and an asi183mc pro. I can't remember how many subs but was 120s and about 3 hours I think
  11. OK great, I'll give it a go on pixinsight, I started using siril because pixinsight can be a bit intense on the mind sometimes haha. I used to use DSS 2 years ago when I started but could never get it to work correctly but back then I was using a Canon on a very long focal length scope so now with the asi183mc pro and a 72ed I'm sure it will be easier
  12. Hi, I've got some data of a target I did with differnt exposures and wondered the logistics of stacking them together. I know you can stack them and what to use but I've always wondered about your dark frames, how do you stack the differnt exposures but keep the darks with their matching lights so you don't calibrate say a 180s dark with a 300s light (as an example of course)
  13. Hi sorry, the green/pink image at the top is a flat frame and the second is the background extraction from a stacked image. When I'm back at my pc I'll get some more images
  14. Hi, I've just run a background extraction in graxpert. (Image if flat and back ground extracted included) the final stacked image I've got some bluring in the area where it is black on the extracted background. (Pleaseexcuse the crappie photo of the extraction it was an image of my monitor haha) Do you think this is a sign of tilt or where have I gone wrong? I did all jew calibration frames and get the same every time. All the stars look round in all corners and edges but the extraction looks odd and the starless image has bluring on the edge
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