RE: Bright rapid flashing geo

From: Ted Molczan (ssl3molcz@rogers.com)
Date: Fri Mar 28 2008 - 13:01:28 UTC

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    Bev M Ewen-Smith wrote:
    
    > Obs time 2008-03-28 00:08
    > Obs posn N37 11 24 W008 36 00
    > 
    > We were trying to get a spectrum of a quasar last night and 
    > while waiting for a gap in the clouds we noticed a repetitive 
    > bright flash (mag +4) from a position about 2 degrees south 
    > of pi Vir (sat at approx 12h01m+0430').  There was 
    > intermittent broken cloud so timing the flash was imprecise 
    > but it appeared to be about 8 seconds but could conceivably 
    > be a multiple or even a submultiple of that.
    
    ETS 6 (94056A / 23230) is a close match:
    
    http://www.satobs.org/seesat/Oct-2003/0325.html
    
    It has a long history of flashing brightly, with about the same period that you
    observed. Here are PPAS reports over the past year or so:
    
    94- 56 A 07-03-15 02:12:06   BY  300.1 0.2  35  8.58  F; +6->inv; b6)
    94- 56 A 07-03-15 02:12:22   BY  300.1 0.2  35  8.58  8336; F; +6->inv; b7)
    94- 56 A 07-04-08 02:50:36   BY  321.4 0.2  38  8.46  F; +7->inv; note b8
    94- 56 A 07-04-17 02:59:05   BY  226.6 0.2  26  8.72  F; +4 (8335); note b9
    94- 56 A 07-04-20 02:31:04   BY   87.5 0.2  10  8.75  F; +7->inv
    94- 56 A 07-04-20 02:56:36   BY   52.3 0.2   6  8.71  F; +5->inv 1X
    94- 56 A 07-04-20 02:59:57   BY   87.4 0.2  10  8.74  F; +4->inv 1X
    94- 56 A 07-04-20 03:03:19   BY   35.0 0.2   4  8.75  F; +4->inv 1X
    94- 56 A 07-04-20 03:05:13   BY   87.4 0.2  10  8.74  F; +6->inv 12X b
    94- 56 A 07-04-20 03:11:55   BY   87.4 0.2  10  8.74  F; +6->inv 12X b
    94- 56 A 08-02-13 01:37:26   BY   50.6 0.3   6  8.4   F; +6->inv
    94- 56 A 08-02-13 01:39:47   BY   96.8 0.3  11  8.80  F; +5->inv
    94- 56 A 08-02-13 01:42:34   BY  114.4 0.3  13  8.80  F; +5->inv
    94- 56 A 08-02-13 01:47:51   BY   87.8 0.3  10  8.77  F; +6->inv
    
    PPAS format: http://www.satobs.org/tumble/flashpm.html#PPASformat
    
    Ted Molczan
    
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