Asteroidal Occultations


Asteroidal occultations - the summary results

Observing asteroidal occultations is a simple method how to measure the size of asteroids. After my first positive observing I decided to try to catch another one and so on. This page contains results of my trying.

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The occultation of a star by asteroid Hidalgo - 06 December 2018

And double hit again. This night was beautiful clear and successful. After midnight I have caught another asteroid occultation with my camera - Hidalgo. It is a centaur. It is music for my astronomical soul.

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The occultation of a star by asteroid Leda - 05 December 2018

Three weeks ago I cut down the plum because of this asteroid and I was not successful. I was out of the shade about 3.5 km. But this time I caught him. It was my 30th positive occlusion.

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The occultation of a star by asteroid Kalypso - 11 November 2018

So I have got another one to the collection

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The occultation of a star by asteroid Kalypso - 11 November 2018

The weather was unstable. In spite of that I managed to catch a gap among clouds for the right moment so I could record the next positive occultation this year.

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The occultation of a star by asteroid Ninina - 18 September 2018

This is the 5th positive asteroidal occultation during this year.

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The occultation of a star by asteroid Tauntonia - 09 August 2018

I recorded a positive occultation yesterday and today another. I am lucky...

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The occultation of a star by asteroid Vincentina - 08 August 2018

Little bit complicated observation due to just 0.3 mag decrease of target during occultation. However, positive one.

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The occultation of a star by asteroid Hedwig - 26 July 2018

Quite easy observation - perfect altitude, azimut and brightness of star. However, this occultation revealed that target star is double because some observers detect occultation with two decreases. I have recorded only one but smaller than prediction.

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The occultation of a star by asteroid Ekard- 21 May 2018

During the whole night I was fighting technical problems. Finally I was successful with asteroid Ekard just before dawn.

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The occultation of a star by asteroid Lumen - 25 December 2017

My Christmas gift from heaven - positive occultation of asteroid Lumen. All my family was watching it on screen. However, only analysis revealed that I was successful.

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The occultation of a star by asteroid Recogne (3365) - 02 June 2017

Hattrick! Absolutely unbelievable. Three positive asteroidal occultations during one night. And asteroid is bigger than prediction said as well. Approximately 25km in diameter instead of estimated 17km.

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The occultation of a star by asteroid 1998 WZ5 (12921) - 01 June 2016

So I managed to catch the second occultation during one night! This asteroid (category - Jupiter Trojan) is also bigger than estimated diameter too. This occultation revealed diameter minimal 33km.

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The occultation of a star by asteroid 1999 XP164 (23101) - 01 June 2016

First positive occultation in this year. It was a long pause. Estimated diameter is minimal 18km.

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The occultation of a star by asteroid Meliboea (137) - 09 December 2016

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The occultation of a star by asteroid Palisana (914) - 26 September 2016

I have managed to catch another positive asteroidal occultation again.

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The occultation of a star by asteroid Hedda (207) - 30 May 2016

There is another positive occultation and the second "hit" into asteroid Hedda as well. The first one was in 2014.

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Detection of a new satellite of asteroid Elisabetha (412) ? - 17 March 2016

I caught a very short drop just a few seconds before the predicted time of occultation of asteroid Elisabetha. It could be a new (not discovered yet) satellite of this asteroid.

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The occultation of a star by asteroid Samantha (3147) - 18 March 2016

So I have got another positive occultation.

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The occultation of a star by asteroid Rusthawelia (1171) - 15 January 2016

After the first positive occultation followed another one. And positive again! Two during one night. It was unbelievable...

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The occultation of a star by asteroid Thisbe (88) - 14 January 2016

The first positive astreroidal occultation this year. Read more...

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The occultation of a star by asteroid Bianca (218) - 09 September 2015

The first positive occultation this year.

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The occultation of a star by asteroid Hedda (207) - 27 December 2014

And finally there is the tenth positive asteroidal occultation.

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The occultation of a star by asteroid Hygiea (10) - 05 September 2014

There is my second positive occultation this year.

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The occultation of a star by asteroid Artemis (105) - 27 July 2014

I have caught a positive asteroid occultation after more than a year. Finally.

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The occultation of a star by asteroid Hansa (480) - 20 May 2013

The asteroid Hansa is quite active during last days. There was the third occulation of a star by this asteroid. The first was positive, the second negative. And the third one? Read more...

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The occultation of a star by asteroid Hansa (480) - 15 April 2013

This is my third asteroid occultation in this year.

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The occultation of a star by asteroid Laurentia (162) - 28 February 2013

Next positive asteroid occultation.

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The occultation of a star by asteroid Herrick (1579) - 01 January 2013

The first day of the new year was sucessful for me due to next positive asteroid occultation.

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The occultation of a star by asteroid Cava (505) - 23 June 2012

My mother was always saying that Night of Saint John's day's is full of mysteries and Earth reveals its treasures - she had her birhday this day. The heaven has opened and I managed to catch a new positive asteroidal occultation.

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The occultation of a star by asteroid Deiphobus (1867) - 17 November 2011

Another positive occultation of a star by asteroid. Althouth I was out of an expected shadow line I managed to catch it.

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The occultation of a star by asteroid Ennomos (4709) - 11 August 2011 - updated

I found in my inbox an e-mail informing about a possibility of an occultation 9.2 mag star (TYC 2224-01391-1) by asteroid Ennomos (4709). I could not make up my mind whether to go or not because the weather was neither good nor bad. There were plenty of clouds in the sky. Finnaly, after an analysis clouds from satellite pictures I decided to try it. It was the right decision.

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