Two 5 second occultations were recorded by David and Joan Dunham, using an unattended video recording setup.

Two 6 second occultations were recorded by John Broughton, using linked video cameras.

Three misses were recorded for this event.

View the IOTA update.

Observers:
  1    J Broughton, Cowper, New South Wales, Australia
  2    J Broughton, Emerald Beach, New South Wales, Australia
  3    D&J Dunham,Moree, New South Wales, Australia 
  4    D&J Dunham,Moree, New South Wales, Australia
  5(M) D&J Dunham,Moree, New South Wales, Australia
  6(M) D&J Dunham,Moree, New South Wales, Australia
  7(M) D&J Dunham,Gurley, New South Wales, Australia
  8(P) Prediction- IOTA Feed                

         



       

Discussion:

The circle above is plotted at the expected diameter of Sidonia. It appears that the actual event path was slightly north of the prediction.

There are no light curves available at present for the occultation.

Observational Data:

Observation details for MP ( 579 ) Sidonia
By Star              TYC 1292-01034-1 
On 2015-12-17  at 17:07:04.0

_______________________________

Observer   David and Joan Dunham
Location   Gurley, NSW, AU
Longitude  +149:47
Latitude   -29:45
Altitude   219 m
Datum      WGS84
Telescope Refractor
Aperture    8 cm
Seeing     Steady Clear 
Camera Type  PC164C-EX      NTSC/EIA      
Camera Delay 
Timing     GPS - other linking Video, photo or photoelectric

Missed

Comments: Pre time calibration with IOTA/VTI at 10:17 UT (event -6.8h) & post calibration at 20:04 UT (event +3.0h). Remote unattended pre-pointed Sta. #1 using Supercircuits PC164C-EX2 (KT&C KBC 650) camera & Canon ZR #S12, tape AS11. -71 km (south) of pred. center n. of road to field, w. A39 Hwy about 500m s. Little Bumble Ck. ZR triggered with prog. Remote #2

_______________________________

Observer   David and Joan Dunham
Location   Moree, NSW, AU
Longitude  +149:51
Latitude   -29:31
Altitude   207 m
Datum      WGS84
Telescope Refractor
Aperture   12 cm
Seeing     Steady Clear 
Camera Type  PC164C-EX      NTSC/EIA      
Camera Delay 
Timing     GPS - time inserted Video, photo or photoelectric

Missed

Comments:  Remote unattended pre-pointed Sta. #2 using Supercircuits PC164C-EX2 (KT&C KBC 650) camera SN LC610048 & Canon ZR #S34, tape AS09 full. -45 km (south) of pred. center e. of road (w. A39 Hwy) to creak, about 200m n. Hall Creek ZR triggered with prog. Remote #3.

_______________________________

Observer   David and Joan Dunham
Location   Moree, NSW, AU
Longitude  +149:57
Latitude   -29:19
Altitude   214 m
Datum      WGS84
Telescope Refractor
Aperture    8 cm
Seeing     Steady Clear 
Camera Type  PC164C-EX      NTSC/EIA      
Camera Delay 
Timing     GPS - other linking Video, photo or photoelectric

Missed

Comments: Pre time calibration with IOTA/VTI at 12:40 UT (event -4.4h) & post calibration at 19:01 UT (event +1.9h). Remote unattended pre-pointed Sta. #3 using Supercircuits PC164C-EX2 (KT&C KBC 650) camera SN I336339 & Canon ZR #31, tape CN01. -23 km (south) of pred. center nw of pipe n. of Milo Rd., w. A39 Hwy north of Moree. ZR triggered with prog. Remote #4

_______________________________

Observer   David and Joan Dunham
Location   Moree, NSW, AU
Longitude  +150:01
Latitude   -29:08
Altitude   214 m
Datum      WGS84
Telescope Refractor
Aperture   12 cm
Seeing     Steady Clear 
Camera Type  PC164C-EX      NTSC/EIA      
Camera Delay 
Timing     GPS - other linking Video, photo or photoelectric
Disappearance  17:07:05.00
Reappearance   17:07:10.00
Comments: Pre time calibration with IOTA/VTI at 13:46 UT (event -3.3h) & post calibration at 18:37 UT (event +1.5h). Remote unattended pre-pointed Sta. #4 using Supercircuits PC164C-EX2 (KT&C KBC 650) camera SN I5200066 & Canon ZR #35, tape CN02. 0 km (at) pred. center n. of tree line, w. A39 Hwy in bush looking over field. ZR triggered with programmable Remote #1. Maxi on paver mount with feet.

_______________________________

Observer   David and Joan Dunham
Location   Moree, NSW, AU
Longitude  +150:04
Latitude   -28:57
Altitude   229 m
Datum      WGS84
Telescope Refractor
Aperture    8 cm
Seeing     Strong flickering Clear 
Camera Type  Watec 120N+    PAL/CCIR      
Camera Delay 
Timing     GPS - time inserted Video, photo or photoelectric
Disappearance  17:07:05.00
Reappearance   17:07:10.00
Comments: Calibration not needed since the recording was IOTA-VTI time-inserted. Remote unattended pre-pointed Sta. #5 using PAL Watec 120N+ camera on "Slow 2" & miniDVR #1. Star very faint, see 20151217_Sidonia_Sta5.pptx. +21 km (north of) pred. center n. of tree line, s. side of dirt road to field w. of A39 Hwy. miniDVR schedule record, Midi system on a paver mount.

_______________________________

Observer   John Broughton
Location   Cowper, NSW, AU
Longitude  +153:06
Latitude   -29:34
Altitude   10 m
Datum      WGS84
Telescope Newtonian
Aperture    8 cm
Seeing     Strong flickering Clear 
Camera Type  LN-300-11673   PAL/CCIR      
Camera Delay 
Timing     GPS - other linking Video with frame analysis
Disappearance  17:06:56.01
Reappearance   17:07:01.45
Comments:   

_______________________________

Observer   John Broughton
Location   Emerald Beach, NSW, AU
Longitude  +153:11
Latitude   -30:10
Altitude   26 m
Datum      WGS84
Telescope Newtonian
Aperture   32 cm
Seeing     Slight flickering Clear 
Camera Type  Watec 120N+    PAL/CCIR      
Camera Delay 
Timing     GPS - time inserted Video with frame analysis
Disappearance  17:06:56.68
Reappearance   17:07:03.04
Comments: