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71068RE: [ccd-newastro] Re: Frosting on ST8 camera

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  • RUDIE J ALLISON
    May 3, 2012
    • 0 Attachment
      Can these replacement packs be "baked" to dry them out? I'm wondering if baking them in my old "hypersensitization chamber" with a nitrogen purge would work. Probably should have used that on the SBIG plug that my 350 degree oven melted!! Sounds like vacuum sealing the new replacement packs in a jar for storage would be the safest way to keep them absolutely dry.

      Rudie

      To: ccd-newastro@yahoogroups.com
      From: markacker@...
      Date: Thu, 3 May 2012 18:26:51 -0700
      Subject: Re: [ccd-newastro] Re: Frosting on ST8 camera


























      Mine only came in a small ziploc.



      Mark



      ________________________________

      From: mark_manner_spot_obsrv <mark.manner@...>

      To: ccd-newastro@yahoogroups.com

      Sent: Thursday, May 3, 2012 7:37 PM

      Subject: [ccd-newastro] Re: Frosting on ST8 camera







      I have been using the aluminum foil type pouch the packs came in, and have been keeping that inside a zip lock bag for a bit extra. So far they seem to be staying fresh.



      --- In ccd-newastro@yahoogroups.com, Mark Acker <markacker@...> wrote:

      >

      > Be aware that you must store the replacement packs in such a way that they don't soak up moisture while they're waiting to be used.� I needed to replace them in the field one night and couldn't figure out why the "new" packs didn't do any better than the expired ones.� It seems that the ziploc-type bag I was using was inadequate.� So, store the replacement packs in as airtight a container as you can find.� The Farpoint offering does work really well otherwise.� I used it for quite a while in my ST2000XM.

      >

      > Mark

      >

      >

      >

      > ________________________________

      > From: mark_manner_spot_obsrv <mark.manner@...>

      > To: ccd-newastro@yahoogroups.com

      > Sent: Thursday, May 3, 2012 8:08 AM

      > Subject: [ccd-newastro] Re: Frosting on ST8 camera

      >

      >

      > �

      > The plugs that you can replace the dessicant with disposable packs work great on the ST series cameras. See link below to 'farpoint dessicant plug':

      >

      > http://www.optcorp.com/product.aspx?pid=12260

      >

      > --- In ccd-newastro@yahoogroups.com, "rudieallison" <cherokeeridge1@> wrote:

      > >

      > > When doing flats with my ST8 I noticed a bad case of frosting over. I followed the instructions to dry out the dessicant plug at 350 degrees in the oven but now when I look into the end of the plug I see what appears to be a solid metallic surface. I thought I glanced into the end before heating it and the surface appeared to be perforated with tiny holes to absorb the moisture. I am wondering if I ruined it when heating it or is this solid metallic surface that I am seeing normal??? Any advice on this subject will be appreciated. I also thought at one time someone else besides SBIG made a plug to fit this (if I have to buy a replacement) but I can't seem to find any other options now. Any suggestions? Thanks.

      > >

      >

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      > [Non-text portions of this message have been removed]

      >



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