(meteorobs) Video meteors, Jul. 30/31 2009

[Maurizio Eltri]

Video meteors, Jul. 30/31 2009

200907 Start End  Teff   vLm   Cf
------------------------------------------------------------------
30.850 1949-2058  1.141 3.50  3.33  Tot:1  PER:1
30.993 2316-0025  1.149 3.75  1.69  Tot:11  SPO:4 PER:3 *DS:3 *AJ:1
31.041 0025-0134  1.149 4.00  1.00  Tot:11  SPO:6 PER:1 *DS:3 *AJ:1
31.089 0134-0243  1.149 3.98  1.00  Tot:7  SPO:3 PER:2 *DS:1 PAU:1
------------------------------------------------------------------
*** UT 1949-0243  4.588 3.81  1.76  Tot:30

RADIANTS  (name, radiant, max, shift, vel)
SPO: 13         Sporadics
PER: 7          Perseids  045,58  Aug.12 +1.3,+0.2 59
*DS: 7          S-delta-AQR+SDA  339,-17  Jul.28 +0.8,+0.2 43
*AJ: 2          July-AQL  297,-04  Jul.17 +0.9,0.0 25
PAU: 1          Piscis-Austrinids  341,-30  Jul.28 +1.0,+0.2 35

MAGNITUDE DISTRIBUTION
Tot : 1.0(-2) 1.5(-1) 9.5(0) 13.0(1) 5.0(2)  mean: 0.65

SPO : 1.0(-1) 4.5(0) 6(1) 1.5(2)  mean: 0.62
PER : 2.5(0) 3.5(1) 1.0(2)  mean: 0.79
*DS : 1.0(-2) 0.5(-1) 2(0) 2(1) 1.5(2)  mean: 0.36
*AJ : 0.5(0) 0.5(1) 1.0(2)  mean: 1.25
PAU : 1.0(1)  mean: 1.00

NOTES
Breaks: 2058-2316   2.300h

Period (UT), FOV obstruction, average vLm
1949-2333: 70% -  3.5
2333-2351: 30% -  3.5
2351-0000: 5% -  4
0000-0235: 0% -  4
0235-0243: 0% -  3.8

Moon from 1949 UT to 2235 UT

Obs: Maurizio ELTRI (ELTMA)
Loc: Venezia Lido (VE), Italy, +45.41284 -12.370757 +10 (IMO code 14230)
VideoCamera ccd: MET38 Ob.3,8 f:0,8 (field 89.2x68.6) + MetRec_41