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Thread: Some EEA observations with a "vintage" setup...

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    Flaneurstellaire's Avatar
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    Default Some EEA observations with a "vintage" setup...



    Hello. smile.gif



    Here, in this thread, I will dare to present some humble results obtained in EEA mode with a quite old and also humble material, but with wich I have a lot of pleasure to try to do observations in my hihly light polluted area. It allows me to have access to deep sky objects I would otherwise never be able to reach with equivalent optical aperture in pure visual mode...



    Here is the current setting (quite vintage... smile.gif ):

    - Camera Orion Starshooter Deep Space Imager II monochrome (SSDSMI-2): sensor ICX429ALL
    - Driver: Maxim DL (vers. 1.09)
    - Projection lens, LOMO: D=80 mm, F=160 mm, F/D=2
    - mini laptop Medion "akoya", Windows XP...

    I work in a pseudo-video mode: between 3s and 6s/frame "on the field" and then try also on the field to do some small stacking for having a "photo souvenir".

    Some videos IRL will come soo here...

    Thanks,

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    Default Re: Some EEA observations with a "vintage" setup...

    Hello

    I tried to post here some photos and videos (perhaps i have not yet enough messages here for having the allowance...)

    You can find a summary of my little experiments with my setup abocve disclosed in this french astro forum "webastro.net" at this link:

    https://www.webastro.net/forums/topi...is-vintages-d/

    My user name under this forum is "lambda"
    Do not hesitate to scroll... It is in french but the reading is quite easy with pictures, and your technical knowledges...

    Wjile waiting to have the capabilities to post here photos and videos for illustrating this thread.

    Thank your for your patience.

    Clear skies.

    Flaneurstellaire
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    Flaneurstellaire's Avatar
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    Default Re: Some EEA observations with a "vintage" setup...

    Hello. Just some photos and videos extracted from the above link, easier to click directly here...

    *** Here the comet Iwamoto, with a video of my working conditions "on the field"...



    *** Video of M42 area...

    https://www.webastro.net/uploads/mon...ee72d61ab8.MP4

    And a comparison between unitary frame (on the right side: 4s and details in the photo legend) and stacking (on the left side: 38x4s with dark substraction), and observation of the angular movement of the comet. Same material setup as disclosed in my first post in this thread...
    city environment, high light polluted (Den Haag, NL).

    https://cdn0.webastro.net/uploads/mo...9ca0f52573.JPG

    *** M95, M96:

    unitary frame: 5s
    stack: 51x5s=255s
    Dark substracted in fly mode
    bin x2

    https://www.webastro.net/forums/topi...ages-d/?page=2

    *** M65, M66, NGC3628:
    unitary frame: 5s
    stack: 45x5s=225s
    Dark substracted in fly mode
    bin x2

    https://cdn0.webastro.net/uploads/mo...3c01908248.JPG

    *** Here the Horsehead nebula...
    Same spirit (details in the legends...)

    https://cdn0.webastro.net/uploads/mo...4d7d457e8f.jpg

    *** M51
    Same spirit (details in the legends...)

    https://cdn0.webastro.net/uploads/mo...509e0396a1.JPG

    *** M31
    Same spirit (details in the legends...)

    https://cdn0.webastro.net/uploads/mo...509e0396a1.JPG

    Thank you.

    Flaneurstellaire
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    Default Re: Some EEA observations with a "vintage" setup...

    Interesting, especially using that camera.

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    ST120 refractor, vintage Celestron C-8
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    Default Re: Some EEA observations with a "vintage" setup...

    Yes, Jcj380.

    This camera is quite old but still a good gamer with its sensor ICX429ALL (in my version).
    Quite interesting sensitivity, nevertheless with a readout noise quite important according the nowdays standard (between few e- to 10 e- roundabout ? wheras today with recent CMOS/CCD sensor it is something around 1 e- or less ? please correct me if i am wrong).

    By the way, the sensor ICX428/429ALL is also used by the watec120n+, if i remember well...

    What i can do now is to find a faster optics than my F/D=2 Lomo objective, but with also a focal lens at least equivalent... My graal would be to be about F=200 mm, with F/D=1... I currently work on a solution with high focal reduction thanks afocal configuration...

    Thank you and clear skies....

    Flaneurstellaire
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