Dear All,

 

Full report of positive observations of 599 Louisa.

 

Kind regards,

 

Harrie Rutten

President DOA

www.doa-site.nl

www.esop2006.nl

 

 

 

ASTEROIDAL OCCULTATION - REPORT FORM

+--------------------------------------------------------------+

|  EAON         | |            IOTA/ES         | |             |

|               | | INTERNATIONAL OCCULTATION  | |             |

|                                                              |        

|     EUROPEAN  ASTEROIDAL     |  |   TIMING  ASSOCIATION      |

|     OCCULTATION NETWORK      |  |   EUROPEAN SECTION         |

+--------------------------------------------------------------+

 

1 DATE:      29 - 12 - 2009

  STAR:      HIP 26592

  ASTEROID:  599 Luisa

 

2 OBSERVER: 

Name:   Harrie G.J. Rutten

Phone:  00 31 77 47 313 47

E-mail:  harrie.rutten@doa-site.nl

Address: Boerenweg 32, 5944 EK Arcen, The Netherlands

 

3 OBSERVING STATION:

  Nearest city: Arcen

  Station:

  Latitude :      51° 28' 48.3" N

  Longitude :      6° 10' 59.6" E

  Altitude :        17 m

  Datum (WGS84 preferred): WGS 84

 

Single, OR Double or Multiple station (Specify observer's name):

Single

 

4 TIMING OF EVENTS:

  OCCULTATION RECORDED:  P O S I T I V E  

                        

  Type of event:

  Start observation   Interrupt-start   Disappearance   Blink   Flash 

  End observation     Jnterrupt-end     Reappearance    Other (specify)

 

  Event  Time (UT) : 

  Code    HH MM SS.ss     S.ss 

 

   S    03 : 53: 00

   D    04 : 00 : 02.19 (0.4s PE has been subtracted) 

   R    04 : 00 : 06.93 (0.4s PE has been subtracted)

   E    04 : 05 : 00

   Acc.      : +/- 0,1 s

   Duration  : 4.74 s

   Mid-event : 04 : 00 : 04.56 (0.4s PE has been subtracted)

 

5 TELESCOPE: 

Type: Schmidt - Cassegrain    Aperture: 14"    Focal length: 3560 mm

      Focal Reducer OPTEC 0.33; F eff: 1190 mm 

      Mount:  German equatorial       Motor drive: Yes

 

6 TIMING & RECORDING:

  Time keeping:   DCF 77 ACH 77 chronometer

  Sensor:         Camera Watec - 120N and eye

  Recording:      non; visual observation from monitor

 

7 OBSERVING CONDITIONS:

  Atmospheric transparency: cirrus   

  Wind: Moderate       Temperature:  -2°C

  Star image stability:    bad       

  Minor planet visible: no 

 

8 ADDITIONAL COMMENTS:

  Computer problems (coldness?) made no record possible ;-(

  Therefore observed from monitor (analog video monitor)

  During use the Watec 120N was set to an exposure time was 0.04s