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New Pandora’s box just arrived

Posted on April 29, 2021July 29, 2021

Great news!! My new toy arrives… now I need some time to set all, and it’s not simple!!!

It’s one of the new cameras from QHY (the QHY268M ) using the super hyped sensor Back Illuminated (BSI) Sony IMX571.

It’s a monochrome sensor with native 16-bit A/D and 3.76um pixels with a 75ke full welll and really low noise (1.1e- at high gain).

The diagonal is 28.3mm, could be could down 30º below ambient temperature and write 26 Megapixels images.

I am really excited but it’s a Pandora’s box: “Any source of great and unexpected troubles”

Update on April 30

First dark frame gain 56 offset 25 of 600s, high auto stretch

No glow!! no bands!!! no dark pixels!!! at 600s, seems like the preview on SGP is now working jajajaja

Initial tests with the camera

mode1 gain 56 offset 25 at -5º
gain 0.331 e/ADU
readout noise 1.725 e / 5.213 ADU
fullwell 21688 e
dynamic range 12571 steps

mode1 gain 0 offset 25 at -5º
gain 0.764 e/ADU
readout noise 3.728 e / 4.877 ADU
fullwell 50097 e
dynamic range 13439 steps

and I completed more measurements (close to 56 gain)

UPDATE 28th May

it’s on the main rig!!!!

Related

5 thoughts on “New Pandora’s box just arrived”

  1. Juan Luis Pérez says:
    May 27, 2021 at 10:36 am

    Hola Jose, una `pregunta, estoy interesado en comprar la cámara que tu has adquirido recientemente la QHY 268 y el mismo porta filtro de la misma casa, que opinas me la recomiendas?

    Reply
  2. Jose says:
    May 28, 2021 at 1:28 pm

    Hola Juan, todavía no la he podido probar totalmente, pero yo uso la configuración completa, rueda y OAG… y estoy encantado con la construcción y la manera de conectar todas las piezas. En mi caso y de momento, totalmente recomendable.

    Reply
  3. Jose says:
    May 28, 2021 at 4:31 pm

    Dejo un update de la cámara ya en el telescopio….

    Reply
  4. Miguel says:
    January 5, 2022 at 10:26 am

    Buenas compañeros. Sólo comentar que también tengo esta cámara, y es una maravilla. Espero poder actualizar mi tubo en un futuro. Saludos!

    Reply
    1. Jose says:
      January 18, 2022 at 5:42 pm

      Muchas gracias por dejar el comentario, será una cámara muy popular!!! 😀

      Reply

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