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calan

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About calan

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    Nebula
  1. Can someone give me a quick how-to on how to take and use flats with SC 2.10, as well as a quick explanation on why I would want to and what benefit they will provide? I'm familiar with darks, histograms, gain, etc... but I've never taken a flat in my life. I'm using a ZWO ASI224MC on a 6" F/5 Newt... if it matters.
  2. After a break from the scope for the last 6 months or so, I just got back to it and downloaded the latest version of 2.10, and wow... excellent job Robin! I'm making notes on a very few issues I'm seeing, and will forward them in a week or two. (I also want to get back to testing the Meade ASCOM stuff we were working on, especially now that you have added plate solving). Nicely done sir
  3. But if I'm doing everything in SC (Live Stack), and then saving a processed image for final tweaking... does it matter which format I use? Does one give more bit depth than another? The couple of times I tried a RAW format in SC while live stacking with the debayer option checked...I ended up with the screen door grid. And, I didn't see much difference in captured detail or color.
  4. I have a ZWO ASI224MC... can someone explain the difference between the different color space formats, as far as SharpCap is concerned? I.E. ... why or when would I want to use anything other than RGB24?
  5. Just read the change log for .2877...excellent! Can't wait to try it out. Thanks Robin!
  6. Robin, Why does that ASCOM driver work with other software, including the POTH hub? The smoothest operation is through APT,... but I hate having to have that whole program open just to move the scope (and sometimes plate-solve), when SharpCap does everything else so well. (Wonder if I can get the Meade Classic 200 and LXD75 users to help me fund a workaround? lol)
  7. Thanks Robin. Did you see my post up there ^ with the error messages on the Meade driver that you requested?
  8. Can someone please explain the FWHM filtering in live stack? I'm guessing that this would allow me to filter out frames when clouds roll over or it turns hazy. I'm imaging a a dark nebula right now, and the FWHM values are hovering right around 4.2 to 4.7. So, if I set the maximum to say...4.8, will that cause it to skip frames if it gets hazy? In other words... what causes the FWHM to increase? Would clouds do it? If I'm correct, that is an excellent tool. EDIT: After some experimenting, it appears that the FWHM filter works great to cull out bad frames due to wind gusts and anything that causes the stars to be distorted. But, it doesn't help if everything becomes dim due to a passing cloud. So what would be cool is if there was a minimum value that could be set as well.
  9. Just in case this helps... I have a Mallincam Xtreme (NTSC video), and my VC500 frame grabber formats it's output at 720 x 480. I couldn't get any of those images to solve with Plate Solver, Astrotortilla, or astrometry.net no matter what I tried.... until I resized the photos to 640 x 480. Once I did that, everything solved with no issues at all.
  10. Robin, it's a hard crash (SharpCap exits after clicking a move button). Here is the dialog:
  11. Suggestion... It would be really nice to be able to include an overlay on snapshot images saved from the live stack dialog, that shows various info (system date/time, camera, object name, exposure, gain, stack count, and user notes). Similar to the way Miloslick does it, like this: Bonus points for configurable font, color, transparency, and location of the text.
  12. I tried to control my scope from SC last night, and it says that the driver doesn't support movement (nudge) commands... but it does. I can move the scope manually in other ASCOM programs as well as the POTH handset control. I'm using the POTH hub, connected to the Meade Classic 200 & Autostar ASCOM combined driver. The driver name is: "Meade LX200 Classic and Autostar #494, #495, and #497 (combined telescope/focuser, 5.0.4)"
  13. FWIW, I just put my ASI224MC in the 60mm finder scope and tweaked the exposure and gain until I saw about 8-10 stars, and it worked great.
  14. Tried the polar alignment routine for the first time last night and it is AWESOME. So easy to do, and my unguided LXD75 was staying on target for 20 minutes worth of exposures with hardly any drift at all. Very nicely done sir!
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