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(meteorobs) Report Orionids October from Brazil
SHOWER ORIONIDS
Report of Observation: It dates 2001 October 20-21
Observer: Rosely Gregio
Beginning: 23:30 final 03:40 (local time - schedule of summer UT -2)
Latitude: 21.27.59 S
Longitude: 47.00.21 W
Local: City (my back yard) - Mococa - SP - Brazil
Altitude: 680 meters
Sky quality: Excellent, clean sky and without Moon. Magnitude limits between
+5.0 and +6.0 (due to half of the lights of the city be turned off)
Beginning of the observations with high gleam in the after the 02:00 hs
(UT -2) it improved enough
Temperature: maxim 24 degrees, minimum 19 degrees - Pressure: 936,7 mB
Winds: Of East passing to North, weak the moderate ones. Speed: 6,5 Km/h
Sun Global Radiation: - 6999 W/m
Humidity: moderate
Method of Observation: visual, pencil and paper, map, photographic camera
(without image forecast), telescope although mounted it was not used.
Faced directions: ENE/E/ESSE
1° PERIOD - Beginning 23:30 hs., excellent sky
Hour Radiant in Mag. Speed Trail (°) Altitude (°) Color
23:30 1 SPO Eridanus +1.6 - - - white
23:46 1 SPO CMa +1 - 8 - white
01:05 1 SPO Lepus +1 - 20 - white
00:10 1 SPO Orion - - 15 - white
00:23 1 SPO Left of Rigel - - - - white
00:35 1 SPO Hyades (Tau) - - - - white
00:38 1 SPO Cetus - - - 85 white
00:48 1 ORI(ds) radiant +4 medium - 45 to 50 white
2° PERIOD
Hour Radiant in Mag. Speed Trail (°) Altitude (°) Color
01:05 1 SPO Columba - - - - white
01:17 1 SPO Pleiades (Tau) - - - white
01:29 1 SPO Perceu - - - - white
01:41 1 SPO Lepus - - - - white
01:44 1 SPO Orion - - - - white
01:49 1 ORI(ds) radiant +1 - - 45 to 50 white
01:59 1 ORI(ds) radiant -2 medium 20 45 to 50 white
3° PERIOD - it Improved to gleam, of 02:05 o'clock 02:10 Break
Hour Radiant in Mag. Speed Trail (°) Altitude (°) Color
02:01 1 ORI(ds) radiant +5 medium 15 45 to 50 white
02:20 1 ORI(ds) Radiant +3 medium 20 45 to 50 yellow
02:34 1 *SPO Hyades Tau) +2 Fast 30 - amarelo
02:39 1 ORI(ds) radiant +2.5 medium 25 45 to 50 white
02:51 1 *ORI(ds) radiant +4 medium 15 45 to 50 yellow
02:56 1 ORI(ds) radiant +3 fast 15 45 to 50 yellow
4° PERIOD - it increased the humidity - fine fog began arising, sky still
clean
Hour Radiant in Mag. Speed Trail (°) Altitude (°) Color
03:05 1 *ORI(ds) radiant +4.2 fast 5 45 to 50 Yellow
03:27 3 SPO Center of Orion +5 fast 3 zenith yellow
03:28 1 SPO Eridanus +4.5 fast 5 zenith yellow
03:40 final of the Observations (expired by the rest)
The meteors marked with * the camera was open
summary
1° PERIOD:
ORI(ds) = 1 [1(+4) mag.]
SPO = 7
2° PERIOD:
ORI(ds) = 2 [1(+1), 1(-2)]
SPO = 5
3° PERIOD:
ORI(ds) = 5 [1(+5), 1(+3), 1(+2.5), 1(+4), 1(+3)]
SPO = 1
4° PERIOD:
ORI(ds) = 1 [1(+4.2)]
SPO = 4
TOTAL of SPO = 17
TOTAL OF ORI(ds) = 9
Total time of observation: 4 hs and 10 min
Total of Time break: 00:08