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    Re: Simulating sight data with spreadsheets
    From: Hewitt Schlereth
    Date: 2013 Jan 8, 13:25 -0800

    Öjan, please drop the other shoe an tell us where you are.   Hewitt
    Sent from my iPad
    On Jan 8, 2013, at 11:37 AM, "ÖrjanSandström"  wrote:
    > Frank, too cold? have taken sights when temp has been below -25°C
    > I admi that using gloves makes adjusting sextant more of a chalenge, also 
    the optics tend to get coated in frost if one is not careful (slightest puff 
    of breath... ).
    > Hardest part is spotting any iregularities on the horizon and sometimes even 
    seeing one in the drifting snow (think creeping vails of fog). I have used 
    art-orizon made from cup of water more than few times to get past that, trick 
    is to catch sun before water freezes (surface distorts and gets fuzzy).
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