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About Michael-H

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    Star Forming

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    Astronomy (it reasonably has to go first), photography, physics, physiology, critical care, anaesthesiology, judo.
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  1. That is a lot of nice gear. Good luck on the sale. If you give up on the package idea I would be interested in the camera/filter wheel/filters.
  2. Hello,

    I would like to buy your ASI183MC if no one else has, and £420 including shipping and Paypal sounds about right.




  3. Hi, Just a report after the first proper clear night with the above set up, 80mm f5 telescope with the 82° 24mm eyepiece. It is even better than I said. It is terrific. I have never found stuff so quickly and never seen them so clearly. The finder scope is now obsolete and I need to fit this beauty in parallell with my big scope. M
  4. I upgraded my Sky Watcher 80mm Star Travel with a shiny new TS-optics 2" focuser. It is brilliant. There is a short Youtube clip of the whole thing for your perusal. Cheers, Michael
  5. I am looking at the TS monorail two-speed 2" focuser. Looks nice and solid. https://www.teleskop-express.de/shop/product_info.php/info/p3946_MONORAIL-2--Refractor-focuser---e-g--for-86mm-flange.html And, yes it is quite up to the task of capturing Saturn with the ZWO ASI.
  6. Hello, Welcome to SGL. M
  7. Hello, I just want to say that my little ST80 with, admittedly, a 6.7mm 82° Explore Scientific eye piece handily splits Polaris, shows bands on Jupiter and the rings on Saturn. I think I am going to upgrade the focuser next. M
  8. M27 captured from AstroCamp in Nerpio, Spain using iTelescope's T18, a 318mm PlaneWave CDK. First I collected about 5h minutes exposure in H-alpha, SII and OIII. Then I added some 2h Lum and 3h RGB bin2 for a total of a touch more than 10 hours. I think it turned out ok, especially with fairly natural colours but good definition of the internal structure from the narrowband data. Cheers, Michael
  9. Michael-H


    M27 captured from AstroCamp in Nerpio, Spain using iTelescope's T18, a 318mm PlaneWave CDK. 335 minutes exposure in H-alpha, SII and OIII. Processing in PixInsight and Lightroom. Cheers, Michael
  10. I did, but this is actually undrizzled and captured with a B/W camera. It is already oversampled with a 16MP Kodak chip in mediocre seeing, so I don't win anything with drizzling. Maybe I would have if I went Bin2 and then drizzled. I have to try that some time. M
  11. 90x300s RGB for a total of 7.5 hours of the Helix Nebula using a 431mm Planewave at iTelescope's observatory at Siding Spring. Prosessed in Pixinsight and Lightroom. Michael
  12. Well, here you are Olly. I got the drizzle integration to work in Pixinsight (it turns out you need to do the full calibration in the program for drizzle to work properly). This is 48x300s with some deconvolution and minus green. I also pushed it more carefully so as not to blow the stars out. It keeps getting better. M
  13. Yes, it is dithered. I think the pattern follows the dithering. It kind of behaves like hot pixels, but whatever it is normalises out in the non-drizzle version. So, I am a little stumped. I will try SCNR Green, thanks. No, Swedish summer is the most depressing spacetime for an astrophotographer. Luckily there is iTelescope. M
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