Monday, 23 July 2007

Another fine night, USA 193 bright & a Lacrosse 3 flare

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Friday evening and Sunday evening saw two other observing opportunities. On Friday it remained restricted to Lacrosse 3 & the Lacrosse ...
Thursday, 19 July 2007

Observing again

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Last night was very clear, and I finally could get myself to observe again after a 2-month period of inactivity (see previous post). In 3 ho...
Thursday, 12 July 2007

Inoperative period

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Just a note that SatTrackCam/Cospar 4353 due to circumstances has been inoperative for a while, and might continue to be so for a while. Ap...
Sunday, 20 May 2007

IGS-es, USA 193, and other stuff during beautiful clear nights

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SatTrackCam Leiden just experienced a few beautifully clear, dark & transparent nights. The result is a fine batch of positions on seve...
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Sunday, 13 May 2007

Composite image of a USA 161 pass

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Below image is a composite of two 10.7 second images, 35 seconds apart, made during yesterday's USA 161 (01-044A) pass. It includes the...

USA 161 flare, beautiful evening

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Yesterday evening was very clear, thanks to a strong wind blowing the clouds away. I could observe until 3 am, when clouds came in again. Hi...
Thursday, 3 May 2007

Lacrosse 3

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Phil Masding provided me with a number of potential flare time predictions for Lacrosse 3 (97-064A). The aim is to determine at what angle f...
Wednesday, 2 May 2007

First observation of one of the new IGS objects

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I managed to observe one of the new Japanese IGS eastern plane objects for the first time this night (see image below). It concerned the ro...
Tuesday, 1 May 2007

Flares of USA 186, Lacrosse 3 and an Iridium

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Another very clear evening in which the sky was so transparent that the moon was no real hindrance. I observed 3 flares. Iridium 47 flared t...

Iridium flare season

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It was very transparent last night, to the extend that the full moon didn't seem to hamper much. Alas I had not much opportunity to obse...
Sunday, 29 April 2007

USA 116 flaring

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Pierre recovered USA 116 (95-066A) on the 24th. I observed it this morning, making a nice pass high west. It was bright for much of its tra...
Thursday, 26 April 2007

Another METOP-A flare, hazy skies and timings again

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The skies have turned hazy since yesterday. With the moon and the urban environment, this means serious tracking is very difficult. I observ...
Sunday, 22 April 2007

4 flares in 15 minutes

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This morning and evening of the 22nd, I managed to catch a number of fine flares again, four of which occurred within a time span of 15 minu...

A timing re-calibration and another flare bonanza

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Following the discovery of time discrepancies having crept into my results, I have added a -0.35 second correction as of last evening's...
Saturday, 21 April 2007

Timing errors and a mag. -5 IGS 1B flare

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After the unexpected METOP-A flare of yesterday evening , I was surprised by another unexpected flare. And what a flare: it concerned the fa...
Friday, 20 April 2007

Bonus flare of unknown (=Metop-A) with USA 129 (UPDATED)

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"Something" just produced a fine mag. -1.5 flare only a few degrees from USA 129. I have not identified the flaring object yet. I ...
Thursday, 19 April 2007

Flare Galore! And IGS 1B tumbling?

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Flare Galore this evening! Three objects were observed flaring: keyholes USA 186 (05-042A), USA 129 (96-072A), and Lacrosse 4 (00-047A). ...
Monday, 16 April 2007

Flares of Iridium 14, ISS (!), USA 186 and Lacrosse 4

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This evening (the 16th) and the evening of the 14th I observed two nice flares of the same Iridium satellite, Iridium 14 (99-032A). On the...
Wednesday, 11 April 2007

USA 129: 0.6s early and bright

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USA 129 (96-072A) flared again to mag. -1 at about 19:56:50 UTC in the bum of Leo. It was some 0.6s early, so it looks like no manoeuvre ye...
Monday, 9 April 2007

Chasing Keyholes

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The past two evenings where very clear again. I spent them chasing Keyholes and Lacrosses. USA 129 (96-072A) and USA 186 (05-042A) provide...