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Nyrölä Observatory
Petri Tikkanen
Jyväskylän Sirius ry
Jyväskylän Sirius ry, Finland
Astronomical associationFounded 1959230 members, 2 observatoriesOne of the most active astro clubs in Finland
62 N25 E
Nyrölä ObservatoryCountryside amateur observatory20 kms Northwest of JyväskyläTop gears: large robotic telescopes
and CCD-imagerVery dark siteActive 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
From pretty pictures ...
Moon
Planets: Jupiter and Saturn
M1 - Supernova remnant
M51 – The Whirlpool Galaxy
Sunflower Galaxy M63
NGC 6951 and two supernovae
NGC3786 and SN2004bd
Galaxy clusters – Stephen’s Quintet
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)
Eclipsing dwarf nova IY UMa
WZ Sagittae superoutburst 2001
Over 8500 images taken at Nyrölä 7-10/2001
SDSS 173008.38+624754.7
Light curve from Oct 22, 2001
Mercury transit May 7, 2003
Lunar eclipse of November 8/9, 2003
Long lost NEO asteroid Hermes 2003-10-18 21:15 - 22:19 UT
Asteroid hunting
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 curveshttp://www.astro.helsinki.fi/~jtpesone/harras.html
Binary asteroid (1089) Tama
Eclipse
Transit?
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/
26.8.2000. Nyrölä40cm Meade LX200,
R-filter
9.9.2000. Nyrölä40cm Meade LX200,
R-filter
Images of comet 2P/Tempel 1
Mutual events of Jovian moons
Callisto occults Europe Jan 16, 2003
Light echo of V838 Monocerotis
1989 - DSS2R
Eksoplanet HD 209458b
SAO 107623Spectral: F8Distance: 153 lyMagnitude: 7.65RA: 22h 03m 10s Dec:+18°53'03"
Pegasus
Exoplanet transit
Observation of Sep 15, 2000
HD209458
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!)
3C66A observation of Sep 25, 2003
Blazar S5 0716+71 light curves
GCN -The GRB Coordinates Networkhttp://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=20Exposure 17 x 240s
Negative observation of a short-hard GRB 010119
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?)
Auroraborealis
Involvement with GRBs
GRB team formed in 1999 Joined to GCN network in January, 1999
Pager alerts to cell phones + emailGCN Circular subscriptionReal time Socket Alerts since February,
2001 Joined to AAVSO GRB Network Oct, 2000
email alerts + chart service 14 published GCN Circulars
