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  1. Doug
    Post

    StarChaser SC-2 and PHD2 (ASCOM driver)

    One thing I've noticed over the years... some manufacturers (cameras and mounts) get the "ST-4" interface pins backwards. There is unfortunately...
    Post by: Doug, Apr 15, 2021 at 4:48 PM in forum: Guiding and Adaptive Optics - StarChaser and AO
  2. Doug
    Post

    M13 and M81 ifa STC-7

    Looking good!
    Post by: Doug, Apr 12, 2021 at 4:19 PM in forum: My Astrophotos
  3. Doug
    Post

    HDR Merge for SBIG Aluma AC4040 Images

    It's not designed to do that. Maybe with some machinations it could be made to work, but I doubt it's worth the effort. The dynamic range of...
    Post by: Doug, Apr 12, 2021 at 1:56 PM in forum: Aluma AC Series CMOS
  4. Doug
    Post

    M65 and M66 with STC-7

    Thanks guys!
    Post by: Doug, Apr 12, 2021 at 1:05 AM in forum: My Astrophotos
  5. Doug
    Post

    HDR Merge for SBIG Aluma AC4040 Images

    It will produce a 16-bit image. I can't guarantee whether it will work with images from a competitor's camera. The image needs to be saved in...
    Post by: Doug, Apr 12, 2021 at 1:04 AM in forum: Aluma AC Series CMOS
  6. Doug
    Post

    M65 and M66 with STC-7

    This one: http://www.ceravolo.com/astrograph.html Mine is customized with Invar rods - if I don't change the camera I only have to refocus...
    Post by: Doug, Apr 10, 2021 at 9:38 AM in forum: My Astrophotos
  7. Doug
    Thread

    M65 and M66 with STC-7

    Seeing wasn't great last night, but managed to put this together... [ATTACH]
    Thread by: Doug, Apr 9, 2021, 5 replies, in forum: My Astrophotos
  8. Doug
    Post

    M81 with STC-7

    I decided to try some more aggressive processing. [ATTACH]
    Post by: Doug, Apr 8, 2021 in forum: My Astrophotos
  9. Doug
    Post

    M81 with STC-7

    These cameras have crazy low read noise.
    Post by: Doug, Apr 6, 2021 in forum: My Astrophotos
  10. Doug
    Post

    M81

    Definitely better seeing than I'll ever get. On my best-ever night here it got down to 1.8 arc-seconds... but the best conditions only lasted an...
    Post by: Doug, Apr 6, 2021 in forum: My Astrophotos
  11. Doug
    Post

    M81 with STC-7

    Since it was running unguided I was doing 60 second exposures. Probably could have done longer but it was working well so I left it. I actually...
    Post by: Doug, Apr 6, 2021 in forum: My Astrophotos
  12. Doug
    Post

    M81

    Nice detail! You must have better seeing than I do. Where is your observing site?
    Post by: Doug, Apr 6, 2021 in forum: My Astrophotos
  13. Doug
    Post

    M81 with STC-7

    There's a little over 5 hours of h-alpha. Not that I really needed that much... I just set it to continuously take exposures and went to bed. It...
    Post by: Doug, Apr 6, 2021 in forum: My Astrophotos
  14. Doug
    Thread

    M82 with SBIG STC-7

    After doing M81 on the weekend, I figured I should do M82. This is a twilight-to-twilight series on M82 last night. Set it running in MaxIm DL...
    Thread by: Doug, Apr 6, 2021, 0 replies, in forum: My Astrophotos
  15. Doug
    Post

    Resolved SBIG STF-8300M, noisy and uneven darks after fw update

    It sounds like your camera's EEPROM may have been messed up a little. That's not a normal value for gain. It doesn't mean your camera isn't...
    Post by: Doug, Apr 5, 2021 in forum: STF Series CCD Cameras
  16. Doug
    Thread

    M81 with STC-7

    Ceravolo 300 Astrograph, AP1600 mount, RGB + Ha. Total of 10 hours exposure over two nights (I went seriously overboard on Ha - just set it going...
    Thread by: Doug, Apr 5, 2021, 8 replies, in forum: My Astrophotos
  17. Doug
    Post

    M81

    Not sure what would cause that... maybe you should redo the processing.
    Post by: Doug, Apr 5, 2021 in forum: My Astrophotos
  18. Doug
    Post

    Access is denied

    Wow, that is very strange. It sounds like some sort of strange Windows error. I've done some searching on that error message and the results...
    Post by: Doug, Apr 5, 2021 in forum: CCDOPS and SBIG Universal Driver
  19. Doug
    Post

    M81

    Very nice!
    Post by: Doug, Apr 5, 2021 in forum: My Astrophotos
  20. Doug
    Post

    Resolved SBIG STF-8300M, noisy and uneven darks after fw update

    It basically looks normal, but it looks like there is some light contamination on the April image. If you took the light frame in daytime there...
    Post by: Doug, Apr 4, 2021 in forum: STF Series CCD Cameras
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