Re: Gorizont 16, continued

From: Robert G Fenske Jr (fenske@rgfpc.electro.swri.edu)
Date: Tue Jun 05 2001 - 06:31:00 PDT

  • Next message: Ted Molczan: "RE: DMB Obs June 4-5"

    On Sun, 3 Jun 2001 Hattonjasonp@aol.com wrote:
    
    > Last night whilst observing from Point Lobos, San Francisco at the SFAA city
    > star party I also had a nice observation of Gorizont 16 through my 80mm
    > scope. Having repaired my stopwatch since last weeks observations I managed
    > to time a flash period of 94.59s (timed over End of obs=05:17UT, 3rd June
    > 2001). The intial flashes seemed no brighter than mag +7 or +8, but by the
    
    	Intrigued by Jason's flash period being slightly longer than the one
    I measured on May 30 (UTC), I performed another measurement last night.
    Starting at 02:36 UT 05 Jun I measured 43 periods in 4069.5 sec, giving a
    period of 94.64 sec.  So the 3 recent periods are
    
    		30 May    94.50
    		03 Jun    94.59
    		05 Jun    94.64
    
    which leads to a linear increase of .02333s per day.  Now Jay Respler
    recently wrote:
    
    > I used HIGHFLY to see Gorizont from this latitude in Oct 95, flashing
    > with a 44 sec. period.
    
    	Picking the middle of the month for this observation leads to a
    linear increase of .0246s per day (50.64s / 2059 days), very close to the
    above value.  So I'm wondering if the flash period has been steadily
    increasing since 1995.
    
    Robert Fenske, Jr.   rfenske@swri.edu    Sw     |The Taming the C*sm*s series:
    Southwest Research Institute            /R---\  |
    Signal Exploitation & Geolocation Div  | I    | |"The Martian canals were the
    San Antonio,Texas USA  ph:210-522-3931  \----/  | Martians' last ditch effort."
    
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