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Re: (IAAC) Orion Natrium Filter
What's the Orion Natrium Filter???
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> From: Yann Pothier <ypothier@closun.snv.jussieu.fr>
> To: netastrocatalog@latrade.com
> Subject: (IAAC) Orion Natrium Filter
> Date: Thursday, May 28, 1998 10:26 AM
>
> Hi,
>
> has someone information about the Orion Natrium Filter (bandpass, ...)
>
> or an observing experience with it ?
>
> thanks in advance, Yann.
>
>
> Yann Pothier tel: 01 43 41 43 29
> 11 impasse Canart, 75012 PARIS, FRANCE
> Email: ypothier@abi.snv.jussieu.fr
> Site : http://pegase.unice.fr/~skylink/publi/cielextreme
>