----- Original Message ----- From: "Markus Mehring" <m.m@gmx.de> To: <SeeSat-L@satobs.org> Sent: Friday, January 25, 2002 1:31 PM Subject: Re: Corrected: A flasher? Can you identify it? > On Thu, 24 Jan 2002 22:55:23 -0600, you (Ed Cannon > <ecannon@mail.utexas.edu>) wrote: > > >Side-by-side tracks are suspicious -- see the multiple-thread, > >multiple subject discussions in September and October 1999 of a > >Sky & Telescope photograph with parallel tracks through M42, the > >Orion Nebula, beginning with Jay Respler's post, "SAT TRACK PHOTO": > > I'm wondering if such unique parallel tracks might be caused by a family of > debris objects from a singular fragmentation event, all still being in > fairly similar orbits? This would explain the difference in brightness for > each track (pieces of various sizes), and how they all show some offset to > each other (moving camera/telescope while they keep passing by). > Frankly, I'm not buying the idea that this is something atmospheric. Nature > doesn't like being so nicely straight and parallel on such a scale. :) the debris theory sounds very plausible to me Markus. If you look at the high res IC1795 shot on my website, you see that the center track is rather wide and diffuse as if there is a trash line there with it. That would be consistent with your theory about there being debris. I find it hard to believe this is atmospheric. I had thought briefly that it may be an internal reflection problem, but I'd expect other artifacts to show up with bright stars and so on if that were the case. I just don't see the artifacts. So what is the explanation for Schmidling's discontinuity? Here is what he said when asked about the date/time and observing location. "The date stamp on the fits says 1/5/02 22:09 local time (CST). My notes say Jan 6. The site is near Rockford Illinios." He was shooting M1, The Crab Nebula. Any chance it was a satellite? rdc ----------------------------------------------------------------- Unsubscribe from SeeSat-L by sending a message with 'unsubscribe' in the SUBJECT to SeeSat-L-request@lists.satellite.eu.org http://www.satellite.eu.org/seesat/seesatindex.html
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