1. Croatian Meteor Network Group Data reduction and analysis Students: Filip Trojko Lovro Vukadinović Sandi Šegota Leonardo Pierobon Team leaders: Filip Novoselnik Denis Vida Višnjan school of astronomy 2011

2. Goals automatization of the station visual IMO method observing February Eta Draconids meteor stream analysis time synchronisation software learning the data reduction procedure making video tutorial Višnjan school of astronomy 2011

3. Meteoroids, meteors, meteorites... Višnjan school of astronomy 2011

4. Croatian Meteor Network first tests – 2006.; active work since 2007. 35 cameras at the moment data analysis and processing (known stream analysis, discovering new streams and potential meteorites...) Višnjan school of astronomy 2011

6. CMN data reduction object detection (MTP) filtering (MTPFilter) astrometry photometry orbits (UFOOrbit) Višnjan school of astronomy 2011

7. IMO visual method 14 perseids, 2 sporadic night of maximum (2 hours) Višnjan school of astronomy 2011 IMO report

8. Automatization of the stations Python 2.7.2. automatic data reduction pipeline: - deleting unnecessary images - MTP - uploading to the server completely automatic station Višnjan school of astronomy 2011

9. February Eta Draconids new meteor stream – CAMS (NASA) checking CMN data in the period of activity (3rd – 4th February) the parent body: unknown long-period comet (potentially dangerous!) detected 1 potential FED (waiting for the confirmation) Višnjan school of astronomy 2011

10. H b /kmH e /kmv g /km/sλ /°λ /°ei /°ω /°ω /°Ω /°Ω /° 105.194.635.67314.9290.97055.39194.42314.923 105.196.335.16314.9250.97254.94193.73314.990 102.797.035.90315.1150.97055.54194.41315.111 103.997.135.30315.1350.97154.74194.17315.132 103.195.735.87315.1750.97255.37193.73315.175 101.493.435.62315.2290.97155.90194.09315.228 CMN: 100,7897,2335,2314,770,9853,79187,9314,77 CAMS: Višnjan school of astronomy 2011 Ground map

11. Kappa Cygnids (KCG) radiant in Cygnus ZHR: 3 active in the period from 3rd to 25th August velocity: 25 km/s Višnjan school of astronomy 2011

13. Alpha Capricornids (CAP) radiant in Capricornus ZHR: 2-3 maximum activity 29th to 30th of July velocity: 25 km/s; slow, but very bright Višnjan school of astronomy 2011

15. CMNJenniskens et. al., 2010 Višnjan school of astronomy 2011

16. The Capricornids’ orbits (2007. - 2009.) 64 orbits

17. Višnjan school of astronomy 2011

20. Poynting – Robertson effect radiation pressure energy ~ frequency Doppler effect deceleration of the small particles spiral falling of the small particles on the Sun Višnjan school of astronomy 2011

21. Time synchronisation Python 2.7.2. extracting the station name from its code copying the *.hmm files calculating average time difference time difference filtering extrapolation Višnjan school of astronomy 2011

24. The video tutorial Camtasia 7 data reduction procedure explained for new members Višnjan school of astronomy 2011

25. Future plans time synchronisation (2008 – 2009) continuing the data analysis education of new members Višnjan school of astronomy 2011

26. Acknowledgements

28. Thank you for your attention! Questions? Filip Novoselnik: filip.novoselnik@gmail.com Denis Vida: denis.vida@gmail.com Filip Trojko: filip.trojko@gmail.com Lovro Vukadinović: lovrovukadinovic@gmail.com Sandi Šegota: ssegota@gmail.com Leonardo Pierobon: pierobon.leonardo@gmail.com Višnjan school of astronomy 2011