1. Nyrölä Observatory Petri Tikkanen Jyväskylän Sirius ry

2. Jyväskylän Sirius ry, Finland  Astronomical association  Founded 1959  230 members, 2 observatories  One of the most active astro clubs in Finland 62 N 25 E

3. Nyrölä Observatory  Countryside amateur observatory  20 kms Northwest of Jyväskylä  Top gears: large robotic telescopes and CCD-imager  Very dark site  Active group of observers

5. Present Equipment  Meade LX200 telescopes  16 and 10 inch models  SBIG ST8XE CCD-imager  AO-7 active optics device  BVR filter set  Optec TCF-S focuser  Optec f5 focal reducer  Watec N100 video camera  GPS time inserter  256 kbps Internet, 2Mb/s

6. From pretty pictures...

7. Moon

8. Planets: Jupiter and Saturn

9. M1 - Supernova remnant

10. M51 – The Whirlpool Galaxy

11. Sunflower Galaxy M63

12. NGC 6951 and two supernovae

13. NGC3786 and SN2004bd

14. Galaxy clusters – Stephen’s Quintet

15. to Scientific Observing Programs  Kataklysmic variables (AAVSO, VSNET, CBA)  Gamma-ray bursters (AAVSO)  Blazar monitoring (WEBT, GTN)  Asteroids (MPC)  Asteroid light curves (Helsinki university)  Jovian moons (Armagh university)  Exoplanets (transitsearch.org)  Comets (NASA STSP)  Triton (TritonWatch)

16. Eclipsing dwarf nova IY UMa

17. WZ Sagittae superoutburst 2001 Over 8500 images taken at Nyrölä 7-10/2001

18. SDSS 173008.38+624754.7 Light curve from Oct 22, 2001

19. Mercury transit May 7, 2003

20. Lunar eclipse of November 8/9, 2003

21. Long lost NEO asteroid Hermes 2003-10-18 21:15 - 22:19 UT

22. Asteroid hunting

23. Minor planet (22978) Nyrölä  Discovered at Nyrola on March 15, 1999  Diameter about 15 kms

24. Asteroid Light Curves  From the light curves it is possible to compute the 3-D model of the asteroid  Collaboration with University of Helsinki  Several amateurs are helping to provide the light curves http://www.astro.helsinki.fi/~jtpesone/harras.html

25. Binary asteroid (1089) Tama Eclipse Transit?

26. Comets C/2002 T7 (Linear) 1.1.2004

27. Small Telescope Science Program  Observing comet 2P/Tempel1 for NASA Deep Impact mission  Observing campaign for advanced amateurs and professional observatoties http://deepimpact.astro.umd.edu/stsp/

28. 26.8.2000. Nyrölä 40cm Meade LX200, R-filter 9.9.2000. Nyrölä 40cm Meade LX200, R-filter Images of comet 2P/Tempel 1

29. Mutual events of Jovian moons Callisto occults Europe Jan 16, 2003

30. Light echo of V838 Monocerotis 1989 - DSS2R

31. Eksoplanet HD 209458b SAO 107623 Spectral: F8 Distance: 153 ly Magnitude: 7.65 RA: 22h 03m 10s Dec:+18°53'03" Pegasus

32. Exoplanet transit

33. Observation of Sep 15, 2000 HD209458 866 images with 10 s integration

34. Final light curve This observation inspired transitsearch.org !

35. Blazars  Active galaxy nuclei (AGNs) billions of light years away  Engine: super massive black hole (or several!)

36. 3C66A observation of Sep 25, 2003

37. Blazar S5 0716+71 light curves

38. GCN -The GRB Coordinates Network http://lheawww.gsfc.nasa.gov/docs/gamcosray/legr/bacodine/gcn_main.html Nyrölä

39. The first success: Gamma-ray burst GRB000926 Palomar observatoryNyrölä Observatory Digital Sky Survey IISeptember 28, 2000 Delta t=43 hrs - mag C=20 Exposure 17 x 240s

40. Negative observation of a short-hard GRB 010119

41. Color image of GRB afterglow The first colour image of GRB afterglow by amateurs!

42. Multicolour light curve of fading GRB afterglow The first GRB OT light curve by amateur astronomers!

43. GRB030329: ‘Monster GRB’ Combined Amateur Light curve (by AAVSO)

44. Venus transit 8.6.2004  Binoculars & telescopes  Digital cameras  Live video feed to internet (how?)

45. Auroraborealis

46. Questions? Petri Tikkanen tel: +358-50-63645 petri.tikkanen@jklsirius.fi http://www.ursa.fi/sirius

47. Involvement with GRBs  GRB team formed in 1999  Joined to GCN network in January, 1999  Pager alerts to cell phones + email  GCN Circular subscription  Real time Socket Alerts since February, 2001  Joined to AAVSO GRB Network Oct, 2000  email alerts + chart service  14 published GCN Circulars