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Nyrölä Observatory. Petri Tikkanen Jyväskylän Sirius ry. 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. Nyrölä Observatory. Countryside amateur observatory
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Nyrölä Observatory Petri Tikkanen Jyväskylän Sirius ry
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
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
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
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)
WZ Sagittae superoutburst 2001 • Over 8500 images taken at Nyrölä 7-10/2001
SDSS 173008.38+624754.7 • Light curve from Oct 22, 2001
Minor planet (22978) Nyrölä • Discovered at Nyrola on March 15, 1999 • Diameter about 15 kms
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
Binary asteroid (1089) Tama Transit? Eclipse
Comets C/2002 T7 (Linear) 1.1.2004
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/
Images of comet 2P/Tempel 1 • 26.8.2000. Nyrölä • 40cm Meade LX200, • R-filter • 9.9.2000. Nyrölä • 40cm Meade LX200, • R-filter
Mutual events of Jovian moons Callisto occults Europe Jan 16, 2003
Light echo of V838 Monocerotis 1989 - DSS2R
Eksoplanet HD 209458b SAO 107623 Spectral: F8 Distance: 153 ly Magnitude: 7.65 RA: 22h 03m 10s Dec:+18°53'03" Pegasus
HD209458 Observation of Sep 15, 2000 866 images with 10 s integration
Final light curve This observation inspired transitsearch.org!
Blazars • Active galaxy nuclei (AGNs) billions of light years away • Engine: super massive black hole (or several!)
GCN -The GRB Coordinates Network http://lheawww.gsfc.nasa.gov/docs/gamcosray/legr/bacodine/gcn_main.html Nyrölä
The first success:Gamma-ray burst GRB000926 Palomar observatory Nyrölä Observatory Digital Sky Survey II September 28, 2000 Delta t=43 hrs - mag C=20 Exposure 17 x 240s
Color image of GRB afterglow The first colour image of GRB afterglow by amateurs!
Multicolour light curve of fading GRB afterglow The first GRB OT light curve by amateur astronomers!
GRB030329: ‘Monster GRB’Combined Amateur Light curve (by AAVSO)
Venus transit 8.6.2004 • Binoculars & telescopes • Digital cameras • Live video feed to internet (how?)
Questions? Petri Tikkanen tel: +358-50-63645 petri.tikkanen@jklsirius.fi http://www.ursa.fi/sirius
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