(meteorobs) IMO Report - Lyrid post-peak - 2011 Apr 24 - south Florida

[Lew Gramer]

IMO METEOR REPORT

Observer's Name:         Lewis J. Gramer        IMO Observer Code: GRALE
EVENING Date (UT):       23-Apr-2011            IMO Showers Active that Date:
MORNING Date (UT):       24-Apr-2011                    SAG,LYR,PPU,ETA
Session Start Time (UT): 04:07
Session End Time (UT):   05:41

Observing Site Location: Area 51, Collier County, FL, USA
    IMO Site Code: --
Site Latitude:  26.170          Longitude:  -80.894     Elevation:   2m

Observing Methods ("X" all that apply:)
X=Manual (pencil/paper)

Showers Observed (Enter all IMO 3-letter or other shower mnemonics you used):
Shower Name:            Lyrids          Sporadics (non-shower meteors)
3-letter Code:          LYR             Spor
Longitude:              274             (None)
Declination:            +34             (None)
Radiant  Size:          5               (None)
Right Ascen.:           18:16           (None)


PERIOD SUMMARY of All Meteor Data for Session:
#       Start   End     CFV     Teff    LM      F       LYR     Spor    TOTAL
1       4:07    5:41    11h+20  1.51    6.44    1.000   8       6       14
TOTALS                          1.51    6.44    1.000   8       6       14
Average Magnitudes                                      2.13    3.33    2.64

LIMITING MAGNITUDES:                    CLOUDS / OBSTRUCTIONS:
Time    Field   Count   LM              Start   End     % Obscured      Duration
4:07    9       24      6.6             (None)
5:41    9       19      6.3
5:41    14      19      6.4

BREAKS:
Start   End             Duration
(None)                  0:00


DEADTIME:               0:00:15 per meteor          0:00:45 per plot
                TOTAL D.T. - logs plus plots     # Plots Per Period
Period 1                0:03:30                         0


IMO Visual Meteor Report - Lewis J. Gramer (GRALE), Night of 23-Apr-2011
MAGNITUDE DISTRIBUTIONS:
        -1      0       1       2       3       4       5       TOTAL
LYR     1       0       2       1       2       2       0       8
Spor    0       0       0       2       1       2       1       6
TOTAL   1       0       2       3       3       4       1       14

TRAIN DATA - Totals                     Per Shower Train Data
Meteors with trains:    2               Shwr    Shwr
Percentage with trains: 14%             LYR     Spor    TOTAL
                                Number  2       0       2
                                Percent 25%     0%

GENERAL COMMENTS ABOUT SESSION
Local moonrise at 05:33 UT.
Faced west in the shadow of a car
 - no noticeable lunar interference until last 5 min.
"Area 51" - a favored observing site of local astronomy club.
Observed with brother-in-law and two nephews (ages 14 and 17).


INDIVIDUAL METEOR DATA
TIME    MAG     SPD     SHWR    COLOR   TRN
4:07    4       4       LYR
4:10    2       4       LYR             1s
4:18    -1      4       LYR     org
4:25    3       2       Spor
4:44    4       3       Spor
4:47    1       4       LYR             +
4:48    2       3       Spor
4:55    3       3       LYR
4:56    2       3       Spor
5:00    3       4       LYR
5:10    1       4       LYR
5:15    5       2       Spor
5:20    4       4       LYR
5:22    4       4       Spor