Monday, 17 August 2009

Waarneming: C/2006 W3 (Christensen) met verkyker sigbaar

C/2006 W3 (Christensen) met verkyker sigbaar.

Kliek hier vir kaart

Begin Augustus in Vulpecula teen magnitude 8.2. Kyk vir `n 2' koma. Dit behoort konstant te bly soos dit oorbeweeg na Aquila teen die einde van Augustus.

Source: Skyhound's Guide to Comets

Hier is die inligting soos uitgewerk deur Skytools 3-sagteware:

On this night C/2006 W3 (Christensen) is best visible between 20:31 and 01:03, with the optimum view at 22:47. Look for it in Sagitta, fairly high in the sky in complete darkness. It is obvious visually in the Celestron NexStar 11 SCT. Use the Plössl 32mm for optimum visual detection. It is magnitude 8.3 with a diameter of 2.5'.

In the following 30 days this object is obvious visually from August 18-27, and again from September 7 on, with the best view coming on August 24. During this period it will fade slowly and will reach minimum altitude of 39° on August 26.

C/2006 W3 (Christensen) is past perihelion, which occurred in early July 2009. It reached maximum brightness of magnitude 8.2 in early August. The best visibility from Bloemfontein, South Africa near maximum brightness was predicted to be in early August when it was approximately magnitude 8.2. At that time it was in Vulpecula, fairly high in the sky in complete darkness and was obvious in the Celestron NexStar 11 SCT.

Visual Difficulty by Instrument for 2009 Aug 17 22:47
Instrument Current Visual Difficulty Best Visual Difficulty
Naked Eye not visible not visible
Bino 20X80 not visible not visible
Bino 12X50 detectable detectable
Celestron 11 SCT obvious obvious
Orion SkyQuest XT10 Dob obvious obvious
Bino 7X50 detectable detectable
Orion SkyQuest XT8 Dob easy easy
Orion SkyQuest XT6 Dob easy easy
Home Made Dob 12.5 f/5 obvious obvious
Orion Observer 70mm EQ easy easy

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