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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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Nyr l observatory

Nyrölä Observatory

Petri Tikkanen

Jyväskylän Sirius ry


Jyv skyl n sirius ry finland
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


Nyr l observatory1
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
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






M51 the whirlpool galaxy
M51 – The WhirlpoolGalaxy



Ngc 6951 and two supernovae
NGC 6951 and two supernovae




To scientific observing programs
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
WZ Sagittae superoutburst 2001

  • Over 8500 images taken at Nyrölä 7-10/2001


Sdss 173008 38 624754 7
SDSS 173008.38+624754.7

  • Light curve from Oct 22, 2001




Long lost neo asteroid hermes 2003 10 18 21 15 22 19 ut
Long lost NEO asteroid Hermes 2003-10-18 21:15 - 22:19 UT



Minor planet 22978 nyr l
Minor planet (22978) Nyrölä

  • Discovered at Nyrola on March 15, 1999

  • Diameter about 15 kms


Asteroid light curves
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
Binary asteroid (1089) Tama

Transit?

Eclipse


Comets
Comets

C/2002 T7 (Linear) 1.1.2004


Small telescope science program
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
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
Mutual events of Jovian moons

Callisto occults Europe Jan 16, 2003



Eksoplanet hd 209458b
Eksoplanet HD 209458b

SAO 107623

Spectral: F8

Distance: 153 ly

Magnitude: 7.65

RA: 22h 03m 10s

Dec:+18°53'03"

Pegasus



Observation of sep 15 2000

HD209458

Observation of Sep 15, 2000

866 images with 10 s integration


Final light curve
Final light curve

This observation inspired transitsearch.org!


Blazars
Blazars

  • Active galaxy nuclei (AGNs) billions of light years away

  • Engine: super massive black hole (or several!)




Gcn the grb coordinates network
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
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
Color image of GRB afterglow

The first colour image of GRB afterglow by amateurs!


Multicolour light curve of fading grb afterglow
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
GRB030329: ‘Monster GRB’Combined Amateur Light curve (by AAVSO)


Venus transit 8 6 2004
Venus transit 8.6.2004

  • Binoculars & telescopes

  • Digital cameras

  • Live video feed to internet (how?)



Questions
Questions?

Petri Tikkanen

tel: +358-50-63645

[email protected]

http://www.ursa.fi/sirius


Involvement with grbs
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


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