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astroshot

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  1. Very good images Sheri. Full disc image is excellent.
  2. 250-300...crikey, that's high! Does the disc detail not get washed out?
  3. When recording the proms and the surface detail, I increase the contrast from 100 to 150 in the DMK software before recording. If just recording surface detail, I reduce it to 55-60. Ironically, I find it easier to capture surface detail and proms in a single capture when imaging at longer focal lenghts. The longer the focal length, the less of the Sun that is captured. The part of the sun that makes it into the camera FOV is generally near the edge which is the dimmer part and is easier to balance with the brightness of the proms.
  4. My workflow is as follows (constantly under review and getting tweaked): Record avi clip of 2,000 frames with DMK21 camera in raw format (Y800 avi file0). Run in Avistack2 (better than Registax IMHO). Sharpening done in Avistack2 at the end. Bring into Photoshop. Apply Shadows/Highlights to bring out detail. Also helps in flattening the image a little and evening out the brightness across the disc a bit. Apply colourisation via levels: Adjust Red channel to 1.9, Green to 0.9 and blue to 0.5 (approx values, adjust to your own liking). FWIW, I'm still in the learning curve but I hope this helps.
  5. Looks fantastic Pete. Mind me asking how you image the Sun. DO you take one set of video files for the disc and another for the proms, or a combined version in one avi file?
  6. King, That looks much better! May I ask what software you are using for image processing?
  7. Well done Wolfgang. That's an interesting project.
  8. Seeing was awful this morning again but I thought I would give a montage a try for a change. Some nice detail on the disc - solar activity has definetly picked up since last summer. If you are thinking of getting a h-alpha scope, now is the time. Series of video clips - 1,500 frames each. Processed in Avistack2 and Photoshop. Images taken with TEC140, Coronado Solarmax90 filter, 2x Celestron Ultima barlow and DMK21 camera. http://www.astroshot.com/Solar/2011-04-28/2011-04-28-Montage1-V1.jpg (420kb)
  9. Brian, I would be interested in hearing more about your new image processing style.
  10. Yep, that was my reaction! Excellent work Brian!
  11. Images from this morning. Taken with Coronado SM90 filter, TEC140 refractor and DMK21 camera. 2000frame avi file recorded and then processed in Avistack2. Stacked image processed in Photoshop. AR1195 Snakes on the Sun...
  12. Adam, Earth is to scale alright. Takes 110 earth's lined up side be side to match the Sun's diameter. We are pretty small, to say the least...
  13. Excellent!! Mosaic blended together very well.
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