New data April 2008New data April 2008Optical spectral analysisOptical spectral analysis

of of EarthlightsEarthlights

Science Camp 2007Science Camp 2007

HessdalenHessdalen

17 – 23 September 200717 – 23 September 2007

Assistant Professor Bjørn Gitle HaugeAssistant Professor Bjørn Gitle Hauge

Østfold University College, NorwayØstfold University College, Norway

E-mail: bjorn.g.hauge@hiof.noE-mail: bjorn.g.hauge@hiof.no

Calibration challenge Calibration challenge Calibration of wavelengthCalibration of wavelength

λ/pixλ/pixCalibration of intensityCalibration of intensity

Camera & grating transfer functionCamera & grating transfer function

Distance to object (Radar)Distance to object (Radar)mm

Determination of source powerDetermination of source powerWW

Deployment of reference lightDeployment of reference light

Intensity plotλ

I

Calibration absolutely necessaryCalibration absolutely necessary

Reference lightReference light Power saving, gas bulb, Osram 40WPower saving, gas bulb, Osram 40W 12V car battery, capacity 60Ah12V car battery, capacity 60Ah Inverter 12V,dc – 220V,acInverter 12V,dc – 220V,ac 8 trained legs8 trained legs

Reference Light spectrum testReference Light spectrum testMercury high pressure lamp

Intensity plot ref. light 0006Intensity plot ref. light 0006

Well enough, may be good for wavelength calibration…

Reference Reference lightlight

ROGNE 900m

FINSÅ 820m

SKARVAN 974m

d =

9400

m40W

Hessdalen from southHessdalen from south

SkarvanSkarvan Scene off actionScene off action

Basecamp Basecamp RogneRogne

HQ

Basecamp Basecamp FinsåFinså

View towards south from RogneView towards south from Rogne

Skarvan

UpwardsUpwards

On top!On top!

Reference light seen from Rogne Reference light seen from Rogne

Reference light Reference light

Optical spectrum

Intensity plot Ref.ligth 0462Intensity plot Ref.ligth 0462

Vega spectrumVega spectrumHessdalenHessdalen

19/10 - 200719/10 - 2007

NIKON D80

50mm f 2,5

30 sec. Exposure

1600 ASA

Vega intensity plotVega intensity plot

Vega visible spectrumVega visible spectrum

Vega specterVega specterCALIBRATED

Basecamp RogneBasecamp RogneFaint AuroraFaint Aurora20/9-2007 21:0220/9-2007 21:02

Spectral Camera

ULF Magnetic field detector

HQ – Logg 20/9-2007HQ – Logg 20/9-2007

Ligth

Power failure

Humidity 78%

Ligth

Ligth

Inspire

Aurora increasingAurora increasing 20/9-2007 21:2220/9-2007 21:22

Aurora maximumAurora maximum

20/9-2007 21:5520/9-2007 21:55pic. 0462pic. 0462

R L

20/9-2007 21:5620/9-2007 21:56pic. 0463pic. 0463Double exposureDouble exposure

FinsåRL

20/9-2007 21:5820/9-2007 21:58pic. 0464pic. 0464

20/9-2007 21:5920/9-2007 21:59pic. 0465pic. 0465

Finså

Nothing, everything is quiet….

Continuous specter…Continuous specter…

What is wrong???

BASECAMP FINSÅ

BASECAMP Rogne

Back lobe

Main lobe

VLF RADAR Data

Radar dataRadar data

No recording of magnetic field?No recording of magnetic field?

Sensitivity of the Aurora fields?

September 2004September 2004exposure time 30 sec.exposure time 30 sec.

Sphere, fireball and doublet is stationary…..

Only blue ray is moving…..

Sphere

Fireball

Dublett

Blue ray

Electromagnetic Hurricane ?Electromagnetic Hurricane ?

The mysteryThe mysteryRapid movement or stationary (Rapid movement or stationary (N-S trackN-S track))No sound (No sound (V V > 1000 km/t> 1000 km/t))Continuous specter (Continuous specter (Solid or dense plasmaSolid or dense plasma))No heat (No heat (Cold plasma 300KCold plasma 300K))Large optical intensityLarge optical intensityGives radar reflections while invisibleGives radar reflections while invisibleNo magnetic field, or to low sensitivityNo magnetic field, or to low sensitivityCorrelation with aurora………..Correlation with aurora………..

Traces of heat / fire?Traces of heat / fire?

Basecamp Finså 2004

Isolated, remote area!Isolated, remote area!

Fake lights!Fake lights!

Molotov Cocktail

Impact areaImpact area

Heat, burning?Heat, burning?

No burning bush….mushrooms!No burning bush….mushrooms!

Cold Cold Plasma?Plasma?

Power failure….Power failure….

No power failure

Metal shielding

Air resistance reduced?Air resistance reduced?Air ionization?Air ionization?

1. No power failure with old shielded metal case cameras

2. Power failure with plastic case cameras & mobile phones

3. Walkie-talkie 5W not affected………?!

Thank you for listening!Thank you for listening!