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Zakalwe

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Zakalwe last won the day on March 8 2015

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About Zakalwe

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  1. Sure, as long as credit is given. Please link to the Astrobin image.
  2. 30 minute animation of Hedge Prom 1 frame captured every minute for 30 minutes. Each frame was stacked from 10% of 800 frames.
  3. 2.4micron pixels versus the 5.86 of the 174. The 174 is great for a long focal length system such as a Quark.
  4. I have a 174 and use it with a PowerMate 2.5 for this exact reason. At native focus you can see the individual pixels as you have to zoom in so much.
  5. Hedge Prom 31 May 2020 by Stephen Jennette, on Flickr Quark Chromosphere on Esprit 120 triplet with ASI174mm The seeing was dreadful, so only stacked the best 10% of 800.
  6. The pixel size on a ASI174 are too large for a Lunt 60. Once you zoom in you will see "blockiness" around the edges. You'll need to Barlow up to increase the image scale.
  7. It was decked out with 4 seats.
  8. If it's out of focus then no amount of processing will make it as good as an infocus image.
  9. If you use Firecapture as your acquisition software then you will be able to create flays inside FC and have those applied to the movie stream. It will impact slightly on your FPS, but if your camera has a fast rate then the impact might not be too bad. http://www.urbanastro.co.uk/blog/using-firecapture-to-eliminate-newtons-rings
  10. Make sure that the axis of tilt is along the long axis of the camera sensor. This minimises the distance from the focal plane across the sensor. Play around with the tilt as well.I have mine set so there is a hint of NRs (which keeps the tilt to a minimum). I usually correct for these faint NRs with a solar flat.
  11. What scope are you using? You'll need to match the pixel size with the focal length. I use a ZWO174 with my Quark and it partners well with that. The 5.86 micron pixels match the long focal length that the Quark inbuilt Barlow produces. On my Lunt 60mm however, the pixels are too large. It's just about OK if I Barlow the Lunt to the point where I need to do a three-pane mosaic to get the full disc. Ideally the Lunt needs something with much smaller pixels. Another point to consider is the electronic shutter. Ideally a global shutter is needed. A rolling shutter can produce artefacts at high frame-speed, especially when fast moving objects are being imaged (solar flares or regions around active sunspots)
  12. Directly in front of the camera. I use a ZWO camera that has T-Threads as standard.
  13. Powermates are well known for generating Newton's Rings. Get a Rowan Astronomy (or similar) tilt adapter in there.
  14. Any disk that relies on spinning iron will struggle with today's high speed USB3 cams. You will need SSD storage to keep up allied to USB3.
  15. Don't mention it. I didn't do anything other than load it onto the astrometry engine and it did all the magic! It's amazing the quantity and quality of tools and resources out there on the Web
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