Horizontal banding and other problems

Discussion in 'Legacy Models - Community Support' started by rat156, Sep 11, 2015.

  1. rat156

    rat156 Standard User

    Joined:
    Apr 21, 2015
    Messages:
    11
    Hi All,

    I have some horizontal banding issues with my STT8300.

    Attached are two flat fields, 10 second exposures, t-shirt flats.

    Both exhibit strong banding, which is inconsistent. This has shown up in my images recently, noticeable in luminance frames. I have tried a different USB cable, and routing it differently. I have acquired flat fields in The Sky X for windows and Mac and CCDOps, all show this banding.

    Also the histogram doesn't shift when I double the exposure. I have had problems with this camera before, it has been back to SBig once and to the local dealer here another time, both times I've been told that it's a firmware problem. Can anyone shed some light on this?

    Cheers
    Stuart

    Flat-2.jpg Flat-1.jpg
     
  2. Bill

    Bill SBIG Service and Repairs Staff Member

    Joined:
    Oct 12, 2014
    Messages:
    531
    I said it was a firmware issue Stuart? Seems like I would've just updated it and told you about it afterwards. Perhaps I couldn't duplicate the problem? Send me an email, bill@sbig.com, and I'll look into the details of when it was in.

    -Bill
     
  3. rat156

    rat156 Standard User

    Joined:
    Apr 21, 2015
    Messages:
    11
    Hi Bill,

    Thanks for the speedy reply, email sent.

    Cheers
    Stuart
     

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