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(meteorobs) Leonids 1996 visual results



Leonids November 16/17, 1996

Visual results obtained by Marco Langbroek (Dutch Meteor Society).

Observing location: Woignarue (near Abbeville), north-west France
Latitude:  50d06m (north)
Longitude:  1d29m (east)

 Interval [UT]     Teff   Mg    Leo  Tau  aMo  Spo   ZHR(Leo)
23h46m - 00h06m    0.32   6.9    5    3    0   13    78 +- 35
00h06m - 00h38m    0.47   6.5    7    4    0   12    75 +- 28
03h28m - 04h22m    0.73   6.5   51    2    2   35    85 +- 12
04h22m - 04h57m    0.52   6.4   56    0    2   34   129 +- 17
05h42m - 05h52m    0.15   6.2   10    0    0    5    91 +- 29
-------------------------------------------------------------
23h46m - 05h52m    2.19        129    9    4   99


ZHR has been computed with: 
-  Cp = 2.0
-  gamma = 1.4 (correction of Radiant elevation)
-  r = 2.8


Magnitude distribution:

     -5   -4   -3   -2   -1    0   +1   +2   +3   +4   +5   +6   Total

Leo   1    3    3    3    3    4    9   17   20   31   28    7    129
Tau                                      2    3    1    3           9
aMo                            1    0    0    1    2                4
Spo                                      2   27   44   23    3     99


Remark 1:
The corrected magnitude distribution is not linear.
The population index varies with magnitude:
From -5 to +1:  r = 1.5
From +1 to +6:  r = 4.0


Remark 2:
At 04h32m UT 3 fireballs (-4, -4, -3) appeared within a 50 second timeframe.
Two of these fireballs appeared 5 seconds after eachother.


Remark 3:
These data will be published on our DMS website soon!
URL: http://www.pidot net/~terkuile/meteors/dms.htm


Best wishes,

Casper.

 
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