Meteor Spectrum – April 9th 2018 @ 00:17 UT

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  • #574012
    Michael O’Connell
    Participant

    Spectrum of a meteor over the Irish Sea.

    April 9th 2018 @ 00:17 UT

    https://youtu.be/RqeOttwS0Hg

    Taken with Watec 910HX and 500 lin/mm grating.

    Regards,

    Michael.

    #579432
    Jack Martin
    Participant

    Michael,

    Nice spectrum. Good work.

    Regards,

    Jack

    Essex UK

    #579438
    Hugh Allen
    Participant

    Amazing spectrum Michael. Is there a classification system of meteor spectra?

    Cheers

    Hugh

    #579443
    Michael O’Connell
    Participant

    Thanks Jack and Hugh.

    Re the classification system, Bill Ward may be best placed to answer that question.

    Bill: feel free to chime in here please if you see this post.

    #579449
    Bill Ward
    Participant

    Hi,

    With so many people collecting spectrum now, that’s pretty much where we’re heading. The eminent Czeck meteor astronomer Jiri Borovicka published a paper in 2016, “Representative meteor spectra…” (sorry not sure of the full title) based on many years of his work using spectra colllected via image intensifier and recorded on video tape.

    The technology has moved on and even a basic system can exceed the pros now.

    The situation has gone from a few (photographic) spectra per year to several per night with video based systems!

    Bigger systems with institutional funding now have hundreds of cameras running! The shower meteors are quite well established but it’s the sporadics that provide the surprises!. I’ve recorded several very interesting ones recently. With said technology the amateur is still on a par with the pros regarding sporadics.

    cheers,

    Bill

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