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Old 11-08-2016, 10:32 PM
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DavidTrap (David)
Really just a beginner

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Join Date: Jun 2009
Location: Brisbane
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Sbig st-10xei - Price Drop

I bought this camera a couple of years ago with the intention of trying my hand at photometry. I captured a light curve (see attached graph), but ran out of time to do anything more. The camera has sat in my cupboard for a while and now needs a new home.

This camera has the well regarded KAF-3200 chip. It's a very sensitive chip and produces good results with narrowband filters. It is a Non-Anti-Blooming CCD, so it will produce blooming on bright stars. NABG chips are ideal for Photometric work because of their linearity.

This particular camera does not have an inbuilt guider chip. I have successfully used a Meade Off-Axis guider - my lodestar would come to focus part way down the guider tube. You are only be able to use an eyepiece sized guider in this OAG - something like a QHY5 would not reach focus. It also comes with a set of Baader LRGB filters (I am happy to remove these if not required by the purchaser - see below)

As this camera has been idle for some time, I wanted to prove to myself that it is still working appropriately. I took a quick run on a conveniently located globular cluster (M4). These were 30 second subs. It's not an earth-shattering image, but it proves the camera is working as expected. I have also included a master bias file for those who are interested. As seen in the image of M4, these column defects calibrated out without difficulty.

When ordering some other stuff from the USA, I bought a Farpoint desiccant replacement plug that uses silica gel. This remains sealed in its bag. I "recharged" the dessicant a while ago and had no icing of the chip during a couple of hours imaging at -15 degrees last night at ~70% power on the cooler.

I will include a printout of the manual, along with a CD of the drivers I have downloaded from the web. No camera control software is included.

Happy to answer any questions as best as I can.
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Last edited by DavidTrap; 17-08-2016 at 06:07 PM. Reason: Updated Price
  #2  
Old 11-08-2016, 10:34 PM
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DavidTrap (David)
Really just a beginner

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Location: Brisbane
Posts: 3,045
M4

Master Bias File - this had an automatic screen stretch applied in PixInsight and was then converted to a JPEG file for display.

Light curve
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  #3  
Old 15-08-2016, 03:05 PM
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DavidTrap (David)
Really just a beginner

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Join Date: Jun 2009
Location: Brisbane
Posts: 3,045
Updated - Price Drop!

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