(meteorobs) Observation September 18/19 2004

[Pierre Martin]

I'm a bit late with observing reports...

This was a short meteor watch at the Foymount site on Sept 18/19, to 
get a quick look at the meteor activity, while the rest of the night 
was spent deep sky observing.

It was a very beautiful transparent night, with a crisp Milky Way, 
gegenshein and the average limiting magnitude of 7.05.  There are trees 
around the observing field that helped block out the cool wind.  It was 
a good thing because it was a very windy night!

In the half-hour I recorded, I got in 10 meteors.  The highlight was a 
very slow moving blue Kappa Aquarid at 1:25am EDT.

Pierre Martin
Ottawa, Ontario



DATE: September 18/19 2004
BEGIN: 0505 UT (0105 EDT)  END: 0549 UT (0149 EDT)
OBSERVER: Pierre Martin (MARPI)
LOCATION: Long: -77.304 West; Lat: 45.431 North  Elevation: 1800 ft
City & Province: Foymount, Ontario, CANADA
RECORDING METHOD: talking clock/tape recorder, plotting
-----------------------------------------------------------------------

OBSERVED SHOWERS:_____________________________________radiant position
		KAQ (Kappa Aquarids)___________________________22:36 -05
		ANT (antihelions or Piscids)___________________00:44 +05
		DAU (Delta Aurigids)___________________________04:40 +48
		NPX (sporadics from north apex)________________05:44 +38
		SPX (sporadics from south apex)________________05:44 +08
		SPO (random sporadics)
-----------------------------------------------------------------------

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

PERIOD(UT)_FIELD____Teff__LM____KAQ_ANT_DAU_NPX_SPX_SPO

0505-0549__0156+23__0.55__7.05___1___2___0___2___0___5  =  10

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.
------------------------

MAGNITUDE DISTRIBUTIONS:

SHOWER
_______+2__+3__+4__+5__+6______AVE

SPO_____2___2___0___2___1_____+3.71
KAQ_____1___0___0___0___0_____+2.00
ANT_____1___0___1___0___0_____+3.00

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.

------------------------

SKY OBSCURED (FOV): None

------------------------

Dead time: 11 min (breaks)

Breaks (UT): 5:21-22, 5:26-29, 5:34-41

-------------------------