Posts Categorized: Observations

New supernova, SN2007ae, discovered in THO!

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(Tämä uutinen suomeksi) Markku Nissinen and Veli-Pekka Hentunen discovered 19.2.2007 a fully new supernova that got the tag name of SN2007ae. This object is located in galaxy UGC 10704 and more specified co-ordinates are R.A = 17h01m51s.95 and Decl. = +79°01’54”.6. Supernova is a type 1a and at the moment of photographing it was 17,4 magnitude object. This is the first time when Taurus Hill […]

Asteroid 416 Vaticana lightcurve measured in Taurus Hill Observatory.

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Nice weather made the lightcurve measurements possible again and Veli-Pekka Hentunen and Markku Nissinen were able to make a good measurements about the asteroid 416 Vaticana in 25./26.2.2007 in Taurus Hill Observatory. They used 15 sec. exposures and photometric filter R for the measurements. The comparison stars were GSC2490-1009 (C1) and GSC2490-1073 (C2) (Tämä uutinen suomeksi) […]

The lightcurve of the asteroid 93 Minerva measured in THO.

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Veli-Pekka Hentunen and Markku Nissinen measured second time the lightcurve of the asteroid Minerva 30.-31.1.2007 in Taurus Hill Observatory. The bright Moon made the measurements a bit difficult, but because Minerva is spot like object, the lightcurve turned out to be very good. Veli-Pekka and Markku measured the astroids lightcurve 5,5 hours that is allmost the one […]

Lightcurve measurements of the asteroid 54 Alexandra made in THO.

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The revolution time of the asteroid 54 Alexandra is about 7,3 hours. Veli-Pekka Hentunen and Markku Nissinen  measured five hours from this 7,3 hours revolution time 21.-22.1.2007 in Taurus Hill Observatory. The weather was clear and the temperature was about -15 celcius degrees. The R -filter and 120 sec. exposures were used for this measurement. The comparison stars were GSC1793-1602 […]