(meteorobs) Observation September 9/10 2005

Pierre Martin dob14.5 at sympatico.ca
Thu Sep 29 00:51:47 EDT 2005

Here's a quick one-hour morning meteor session I did on September 10.  
Activity was quite normal for the sky conditions I had at this site.  A 
total of 10 meteors, with only very weak rates from the Delta Aurigids 
and antihelions.

No signs of any meteor activity from Triangulum and Taurus.

The highlight was at 4:38 EDT with a slow and very persistent sporadic. 
  Even though it never got brighter than mag +3, it somehow managed to 
display a vivid orange color.  It was nearly an earthgrazer with a path 
length of 30 degrees.  It made for quite a memorable sight.  I don't 
usually see color in a meteor of this brightness.

Clear skies,

Pierre Martin
Ottawa, Ontario

DATE: September 9/10 2005
BEGIN: 0825 UT (0425 EDT)  END: 0935 UT (0535 EDT)
OBSERVER: Pierre Martin (MARPI)
LOCATION: Long: -75.063 West; Lat: 45.269 North  Elevation: 300 ft
City & Province: Boundary road, Ontario, CANADA
RECORDING METHOD: talking clock/tape recorder, plotting & cord align

OBSERVED SHOWERS:_____________________________________radiant position
		KAQ (Kappa Aquarids)___________________________22:08 -08
		ANT (anthelions)_______________________________00:12 +02		DAU (Delta 
Aurigids)___________________________04:04 +47
		SPO (random sporadics)

OBSERVING PERIODS: 0 = none seen;  / = shower not observed


0825-0935__0555+31__0.82__6.04____8___0___1___1  =  10

*Note: SIA/ANT activity combined together

The first column (Period UT) refers to observing periods broken down as 
close as possible to one hour of true observing, in Universal Time. The 
second column (Field) is the area in in the sky where I centered my 
field of view. The third column (TEFF) represents effective observing 
time (corrected for breaks or any time I did not spent looking at the 
sky).  The next column (LM) is the average naked eye limiting 
magnitude, determined by triangle star counts. All following columns 
indicate the number of meteors for each shower observed.




Note: Magnitude scale is to determine the brightness of sky objects. 
Magnitude -8 is comparable to a quarter moon, magnitude -4 with the 
planet Venus, magnitude -1 with the brightest star Sirius, magnitude +2 
to +3 with most average naked eye stars and magnitude +6 to +7 are the 
faintest stars the naked eye can see under typical dark conditions. A 
meteor of at least magnitude -3 is considered a fireball.  The above 
table contains the magnitudes from all observed meteors, and the 
average (last column) for showers.


F = 1.00


Dead time: 11 min (break)

Breaks (UT): 8:56-9:07


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