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About Freddie

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    White Dwarf
  • Birthday 18/01/66

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  1. Sorry but the above is not correct. What Peter is looking for is the correct filter for what he intends to image. If you have a bit of a google search you will see that this is the correct filter for imaging his specific targets.
  2. I believe this is what you are looking for Pete and as you say is specific for those planets. Wtratten 25 is actually the other option. https://www.teleskop-express.de/shop/product_info.php/language/en/info/p524_Baader-1-25----Farbfilter---Rot.html These are best for scopes less than 350mm. If you have 350mm+ then the IR685 would be an option but not with 350mm (14") or below.
  3. Ideas for guiding?

    Any cam with a ST4 guide port to capture the image and then PHD (which is free) A ZWO ASI120 (USB2) is in your price range as an example. Link the cam to your finder if you don't have a suitable guide scope.
  4. Lunar Mosaic Tool?

    iMerge allows you to drop each captured AVI into it and it displays the first image in the AVI on the screen. Each time you drop in the next AVI, you can check that it overlaps the previous. As you continue to capture AVIs and drop them into iMerge you can check you have everything covered with suitable overlaps.
  5. If the mount is in EQ mode, I don't think you should have to rotate the cam.
  6. I think DSS has always been able to do what I described but I too now use AA6.
  7. You can just put your 20 images (say Ha) into DSS, select a particular image to be the reference and it will align and stack them to produce a single master Ha file. You can then load your next set of NB images (say OIII) and also load the same Ha reference image, select it as the reference but do not select it to be included in the stack. DSS will then align and stack the OIII files to produce a single master OIII file which is aligned to the HA. Repeat for SII and RGB if needed.
  8. sol HA 22-10-17 new AR

    Looking good. That's AR2685. Full on cloud cover here.
  9. That's true but best not to mix up the two technical terms as they are caused by completely different things and have completely different impacts on imaging.
  10. CPC925 for me. One thing though, the amount of moisture in the air does not impact on seeing. It will however have an impact on transparancy.
  11. As said, the star shapes are not great but this still doesn't make sense if what you say "it's detecting hundreds of stars" is true for each sub. Detecting hundreds of stars and then not stacking because there are not enough doesn't make sense.
  12. Odd as you say it is detecting "hundreds of stars" yet it won't stack due to lack of stars!! Is it detecting "hundreds" on each of the subs?
  13. October 15th Prom

    Thanks Pete. Weather has taken a turn here so no imaging for a while.
  14. Nice set and glad you had good weather for your event. Just a shame there wasn't more action up there.