ORIONÍDEOS 2004

Visual Observing Form - Summary Report

Day: 20/21 Month: 10 Year:2004        Begin: 04h 17m   End:  06h 17m

Location  long. 48° 32' 37" W    latit. 27° 39' 37" S    IMO code:____

Site Florianopolis/SC            Country: Brazil

Observer :Alexandre Amorim       IMO code: AMOAL

Showers:
------------------------------------------------------------------------
| Shw |alpha|delta| Shw |alpha|delta| Shw  |alpha|delta|               
------------------------------------------------------------------------
| ORI |  96 | +15 |     |     |     |      |     |     |           
|     |     |     |     |     |     |      |     |     |      
------------------------------------------------------------------------
------------------------------------------------------------------------
| Period  |Field  |Teff| F | lm| ORI| ___| ___| ___| ___| ___| ___|Spor|
|  (UT)   |RA  Dec|  h |   | m |M| N|M| N|M| N|M| N|M| N|M| N|M| N|M| N|
------------------------------------------------------------------------
|0417-0445| 80| 00|0.46| 1 |5.3|c| 3| |  | |  | |  | |  | |  | |  | |  |
|---------|---|---|----|---|---|-|--|-|--|-|--|-|--|-|--|-|--|-|--|-|--|
|0446-0520| 80| 00|0.56| 1 |5.3|c| 2| |  | |  | |  | |  | |  | |  |c| 3|
|---------|---|---|----|---|---|-|--|-|--|-|--|-|--|-|--|-|--|-|--|-|--|
|0521-0545| 82| 00|0.40|1.7|5.0|c| 2| |  | |  | |  | |  | |  | |  | |  |
|---------|---|---|----|---|---|-|--|-|--|-|--|-|--|-|--|-|--|-|--|-|--|
|0559-0617| 30| 00|0.30|2.6|4.5|c| 0| |  | |  | |  | |  | |  | |  |c| 1|
|---------|---|---|----|---|---|-|--|-|--|-|--|-|--|-|--|-|--|-|--|-|--|
------------------------------------------------------------------------
------------------------------------------------------------------------

|Shower| -4 | -3 | -2 | -1 |  0 | +1 | +2 | +3 | +4 | +5 | +6 | +7| tot|
|------|----|----|----|----|----|----|----|----|----|----|----|---|----|
|ORI I |    |    |    |    |  1 |  1 |  1 |    |    |    |    |   |  3 |
|------|----|----|----|----|----|----|----|----|----|----|----|---|----|
|ORI II|    |    |    |    |    |    |  1 |    |  1 |    |    |   |  2 |
|------|----|----|----|----|----|----|----|----|----|----|----|---|----|
|oriIII|    |    |    |    |    |    |  1 |  1 |    |    |    |   |  2 |
|------|----|----|----|----|----|----|----|----|----|----|----|---|----|
|ORI IV|    |    |    |    |    |    |    |    |    |    |    |   |  0 |
|------|----|----|----|----|----|----|----|----|----|----|----|---|----|
|spor. |    |    |    |    |  1 |    |  2 |    |  1 |    |    |   |  4 |
------------------------------------------------------------------------

        Comentários:      

        04:22 - dois meteoros orionídeos foram observados num intervalo
de 1 (um) minuto. O primeiro possuía magnitude 1 e deixou rastro de 2seg.
O segundo tinha magnitude 0 e dexou um rastro de 1.5seg. Ambos eram
brancos e com velocidade moderada.
        04:51 - esporádico com magnitude 0, rápido, rastro de 0.5seg.
Passou a 4° N de Beta Ori. Sua procedência é Lep, Col ou Pic.
        04:57 - esporádico com magnitude 2,  atravessou CMa em direção a
Col. Possível procedência de Alpha Mon. Meteoro rápido.
        05:10 - esporádico com magnitude 2. Passou próximo a Beta Ori,
estrelas Pi Ori, para Alpha Tau. Possível procedência de Lep ou Col.
        06:00 - esporádico de magnitude 4, procedente das estrelas
Delta, epsilon e Zeta Ori e Alpha Mon.


        Comments:

        04:22 - two orionids was observed at same interval of one minute.
First was 1-mag, 2-sec trail. Second was 0-mag, 1.5-sec trail. Both 
meteors was white and medium speed.
        04:51 - sporadic meteor with 0-mag, 0.5-sec trail. It passed at
4 deg from Beta Ori. Possible radiant: Lep, Col or Pic.
        04:57 - sporadic with 2-mag, passed through CMa to Col.
Possible radiant: Alpha Mon. Speed meteor.
        05:10 - sporadic with 2-mag. Passed near Beta Ori, Pi Ori stars to
Alpha Tau. Possible radiant: Lep or Col.
        06:00 - sporadic with 4-mag, came from Alpha Mon and Orion's belt.