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Mark72

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Everything posted by Mark72

  1. Now to next APOD, Sara! Congrats! Well deserved Mark
  2. it's indeed there but you need a bit more time and dark skies to get it: http://www.starpointing.com/ccd/m101.html Mark
  3. Olly, I think it could at best confirm there is no such thing as background. Here is M74 unknown to show much around it and yet there is a lot of IFN http://www.astrobin.com/125254/ What Hytham's image shows might be IFN and with PI wavelets you are free to discover tidal streams everywhere. It looks suspiciously like super nova bow shock e.g. Barnard loop. Seeing tidal stream or even IFN with unaided eye is totally ridiculous. Mark
  4. Great image, good luck with Ha
  5. Olly, Let us know when it hangs in a museum. This would be worth a trip. May be one day the same in Scorpius or Serpens? Mark
  6. Just an update if somebody is wondering. Turned out the was wrong power supply provided with the camera. After it was replaced the glow disappeared. I still would not be surprised if it gets back. The camera is a bit hard to run in observatory, especially darks are difficult to get without shutter. Ha is not very good but still some data can be collected like in this image: http://www.astrobin.com/141219/ Mark
  7. This glow shows with LRGB as well, we tried to remove camera and do darks but it was still there, even with 30 seconds already The only way to change heater settings is with Atik Config, so I changed from full (255) to zero. The glow was still there. Atik asked to send camera back for repairs in the meanwhile. Apparently I have bad luck with Atik cameras, the second one with problems. Mark
  8. Yes, there is master Ha file with 10 hours Pacman calibrated as usual. The glow is there. If you start stretching and processing as normal, the glow will extend as far as the center of the image. Mark
  9. Not sure I understand, Bias is 0 seconds. Bias does not show glow, only with 1-2 minutes darks/lights it starts Mark
  10. Hi guys, I asked Olly already but wonder if more help can be found. I bought used Atik camera which had its electronics replaced recently. All frames show brightening in the top which seems to be amp glow at I was told. this artefact does not get calibrated away. The link below shows 5 min Ligh for Ha and Red and Dark and Bias Also 10 hours with NGC 281 with the glow in all its artificial glory. What can be done about this. Is it expected behavior? https://drive.google.com/file/d/0B_84z2MryxRreEFDcGVoX3BIblU/view?usp=sharing Thanks! Mark
  11. Hi Sara, May be you have fits to share to rule out extent of possible flats and gradients issues? Mark
  12. Never saw VDB 15 in this context, totally awesome. Mark
  13. Great image Olly, indeed respect to Fabian, his work is inspirational in all ways. Mark
  14. Beautiful work Martin, colors are particular impressive, this combination of blue and orange. Great image! Mark
  15. nice image despite small integration time Mark
  16. Great image Evan! Mark
  17. This came out great, nice color palette Mark
  18. Nice details Ian, Is your mount better than CGEM DX? Mark
  19. This was worth it Sara, may be a bit more time to spend on it to keep noise at bay. Mark
  20. Hi, I was imaging a few targets in the South. The area has also its horses and marine fauna. The Blue Horse Head Nebulahttp://www.astrobin.com/98828/ The Dolphin Nebulahttp://www.astrobin.com/98570/ The Lobster Nebulahttp://www.astrobin.com/97603/ and finally The Dark Wolf nebulahttp://www.astrobin.com/101265/ Thanks for looking! Mark
  21. Great mosaic, not sure how you manage to assemble so many panels. Looking for ward to LRGB, hope you'll return earlier than in 11 months. Mark
  22. this really rarely imaged, thanks for sharing, Mark
  23. Probably very hard work to get this O3 signal from background, amazing result as usually Olly. Mark
  24. Mark72

    M51

    this is probably the best in your series here. Mark
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