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Summer time changeover - problem with analysing meteors

 
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Alex Pratt



登録日: 2012.01.17
記事: 29

記事日時: Thu Apr 04, 2013 11:44 pm    記事の件名: Summer time changeover - problem with analysing meteors 引用付きで返信

Dear SonotaCo,

I captured a few meteors on the night of March 29/30, when our clocks in the UK changed from GMT to BST.

All were processed OK with UFO Analyser, except for 2 meteors at 01:36:59 and 01:44:07. My colleague (who operates his cameras 107km away) also captured the 01:36:59 event. These 2 captures do not align against the scintillation masks; they look to be about 1 hour early or late.

As a test, we have edited the times in the M*.xml files and retried UFO Analyser, but they are still misaligned against the profile.

Have you ever had this problem during the change to summer time?

In UFO Capture we use UTC, not local time. We use Dimension4 software to synchronise our PC clocks. Its history log does not contain any time-jumps or gaps.

Many thanks,

Alex.
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記事日時: Fri Apr 05, 2013 8:46 am    記事の件名: Re: Summer time changeover - problem with analysing meteors 引用付きで返信

Thank you for notice. But sorry, I will not be able to solve this time zone problem.

UFOseries runs on Microsoft's MFC library. It seems there are some confusion about the dependancy on the local time, system time zone setting, "TZ" environment value setting, and OS language versions. I have not tested all combinations.

So, if it is a continuous and serious problem, please try to set Windows local time setting of your PC entirely to UTC+0, if it is allowed.
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Alex Pratt



登録日: 2012.01.17
記事: 29

記事日時: Fri Apr 05, 2013 10:01 pm    記事の件名: Re: Summer time changeover - problem with analysing meteors 引用付きで返信

Hi SonotaCo,

Thank you for your reply.

This 'problem' only occurred during a short time window and affected very few captures. As you suggest, I will investigate the timezone settings, etc on my capture PC.

Best regards,

Alex.
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