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Location: UFOUpDatesList.Com > 2007 > Dec > Dec 10

Re: Skylab 3

From: Jim Deardorff <deardorj.nul>
Date: Sun, 09 Dec 2007 10:55:37 -0800
Archived: Mon, 10 Dec 2007 07:46:13 -0500
Subject: Re: Skylab 3


>From: Martin Shough <parcellular.nul>
>To: <ufoupdates.nul>
>Date: Sat, 8 Dec 2007 14:57:39 -0000
>Subject: Re: Skylab 3

>>From: Bruce Maccabee <brumac.nul>
>>To: <ufoupdates.nul>
>>Date: Fri, 7 Dec 2007 12:12:58 -0500
>>Subject: Re: Skylab 3

>>However, to have image extension that is "left-right" as well as
>>"up down" one needs more than just one axis of motion. In this
>>case one needs two axis motion and that requires accelerations
>>to change the rotation from around one axis to around another,
>>perpendicular axis, and that results in "loopiness" of the
>>photo. I should point out that in "loopy" motion one often gets
>>bright spots which signify (if the light itself is constant)
>>momentary slow-downs or stops in the angular rotation (bright
>>spots imply longer exposures at various portions of the "loopy"
>>image."

>Just a thought: Is it possible that the characteristic looping
>returns of the light trail in normal camera jitter are partly
>due to gravity? In free fall there is no restoring force, so
>excursions of the camera off-axis will perhaps not be self-
>correcting in quite the same way. Could this lead to more linear
>and less loopy-looking trails?

A question: Are there some images available of typical camera
jitter of, e.g., a street light at night? Or of some night light
known beyond question to have been a mundane fixture? I'd like
to compare some of

<truncated>


Jim




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