(meteorobs) Geminid post maximum night (VANMC)

[Michel Vandeputte]

VISUAL OBSERVING FORM - SUMMARY REPORT 

Night: December 14 - December 15   Year    2006 
Observer: Michel Vandeputte    IMO code: VANMC
Place: Feu du Champ (France) - northern Vosges mountain chain  (48°24'10" N - 07°16'37" E - alt  1050 m)
Period: 19.05 - 02.45 UT
Method: counting in 5' intervals - tape recorder. 
Field: north eastern directions, southwestern directions after moonrise.  
Weather conditions:  cristal clear skies, mild frosty conditions (-1 degree). Very low humidity 


Observed showers: 

Geminids (alfa: 113° / delta +33°)


Interval analyse 

period (UT)     Teff        F        Lm     GEM        SPOR

19.05-20.05    1.00    1.00    6.80        25        5
20.05-21.05    1.00    1.00    6.80        33        6
21.05-22.05    1.00    1.00    7.00        48        18
22.05-23.05    1.00    1.00    7.00        44        9
23.05-00.05    1.00    1.00    7.00        40        9
00.05-01.05    1.00    1.00    7.00        42        27
01.05-02.05    1.00    1.00    6.90        36        38
02.05-02.45    0.67    1.00    6.80        13        16

19.05-02.45    7.67                            281        128 = 409 meteors. 
        

Magnitude distributions 

GEM    -6(1)-3(1)-2(4)-1(10)+0(11)+1(22)+2(76)+3(83)+4(65)+5(8) Mean 2.50    N~ :16= 6%

SPOR    -1(1)+0(1)+1(1)+2(10)+3(31)+4(70)+5(14) Mean 3.62    N~: 5


Remarks

Geminid post maximum night. ZHR in decline (around 45 in the beginning of the session and below 20 at the end).
More bright shower members as during December 13-14 (global average: 2.50). 
Impressive night sky! 


Clear skies! 


Michel.
Belgium