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Re: (meteorobs) Perseids in Japan : Preliminary results



At 08:47 PM 1999-08-14 +0900, you wrote:
>Perseids 1999
>Visual results in Japan (The Nippon Meteor Society).
[snip]
---------------------------------------------------------
Time[UT]  #Obs  T.eff   #Per ZHR(Per) SD   Err.   Remarks
---------------------------------------------------------
>Aug.12, 1999
>12:30       1   0.50      2   103      -    73
>13:30       3   2.42     16    55     20    14
>14:30       3   1.83     34   125     70    21
>15:30       2   1.50     40    61     14    10
>16:30       3   2.00     74    90     20    10
>17:30      10   8.97    518   113     34     5
>18:20       9   7.48    528   159     48     7

Is this to say that 518 total Perseids were counted by 10 observers, and
528 by 9 observers, during the two hours mentioned above?? I thought that
combining meteor counts in this manner was considered invalid since the
perception of each observer is different? Are the counts above somehow
normallized to some Lm, and if so, what method was used?

For some reason, I'm starting to feel like GeoZay this morning...

SteveH
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