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  1. #1
    nakazatogtr's Avatar
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    Default [Fact-finding rquest] "Methyl Orange" and Dichroic Filter as DIY HA filter



    As far as i know, HA filters are expensive.
    I also know that Methyl Orange is toxic!

    I would like to ensure that unsafe solar viewing is discouraged, specially in my country, so as a newb, I would like to seek the knowledge of folks who know more than me if a "Methyl Orange" and Dichroic Filters are even safe for a DIY alternative for an HA filter.


    the use of Methyl Orange(liquid) and Dichroic filters was mention by this other astronomer spoke to as the major components of his "home made HA Filter" when i asked him about his solar photography.


    Is this even safe?

  2. #2
    bladekeeper's Avatar
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    Default Re: [Fact-finding rquest] "Methyl Orange" and Dichroic Filter as DIY HA filter

    I wouldn't put it in front of my eyeball. If it was safe, it would be a common topic of discussion and I've never heard of it.

    Yes, HA filters are expensive, but not as expensive as eyeballs. Eyeballs are priceless.
    Bryan

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  3. #3
    wixylige's Avatar
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    Default Re: [Fact-finding rquest] "Methyl Orange" and Dichroic Filter as DIY HA filter

    Google it.

 

 

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