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(meteorobs) May 28, 2003 Meteor Observations from California (Better Late Than Never!)

I had another enjoyable observing session this morning. The sky was not as
dark as the previous morning but I compensated by facing toward the darkest
horizon. Activity was good for a May morning, 32 meteors in 4 hours. The
antihelion radiant in Ophiuchus was again active producing 4 meteors. The
Omega Scorpids had one possible member. The lower counts were most likely
due to me facing further away from the radiant this morning. Both apex
radiants came to life this morning with a total of 6 swift meteors gracing
the sky. No Eta Aquarid activity was seen this morning. The highlight of the
session was a -1 magnitude meteor from the southern apex source that shot
through Pisces and eastern Pegasus.

May 28, 2003

0730-0830 UT   0.97   6.69   1 ANT   4 SPO    5  TOTAL

0830-0930 UT   0.93   6.67   1 ANT   1 OSC   2  NPX   6 SPO   10   TOTAL

0930-1030 UT   0.94   6.73   1 ANT   7 SPO    8  TOTAL

1030-1130 UT   0.94   6.62   1 ANT   1 NPX  1  SPX  4 SPO    9 TOTAL

TOTALS:           3.78   6.68   4 ANT   1 OSC  4  NPX   2 SPX   21 SPO
                                               32 TOTAL

The first column gives the period watched stated in Universal Time (UT)
which is PDT + 7 hours. The second column gives the percent of that
particular hour actually spent observing the sky. The third column gives the
average limiting magnitude estimated during each period. The last several
columns list the activity seen during each period. I was facing east at an
altitude of 50 degrees during the entire session. No breaks were taken. ANT
= Antihelions (Sagittarids), OSC = Omega Scorpiids, NPX = Northern Apex,
SPX = Southern Apex and SPO = Sporadics (random activity).

Location: Deerhorn Valley 116 45' 21" W 32 41' 21" N ELE = 667 m

Bortle Scale Estimate: Class 3  (Rural Sky)

Beginning Temperature/Relative Humidity: 61 F (16 C) 32%
Ending         "         "        "                        59 F (15 C) 29%

MAGNITUDES:

ANT:  0 (0) +1 (0) +2 (0) +3 (0) +4 (3) +5 (1) +6 (0)          AVE: +4.25
OSC:  0 (0) +1 (0) +2 (1) +3 (0) +4 (0) +5 (0) +6 (0)          AVE: +2.00
NPX: -1 (1) +1 (0) +2 (1) +3 (1) +4 (1) +5 (0) +6 (0)          AVE: +2.00
SPX:  -1 (1) +1 (0) +2 (0) +3 (0) +4 (1) +5 (0) +6 (0)          AVE: +1.50
SPO:   0 (1) +1 (5) +2 (2) +3 (3) +4 (8) +5 (2) +6 (0)          AVE: +2.86

Bob Lunsford
San Diego, CA USA


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