Comet ISON Update

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Many people are asking why we are still including Comet ISON’s data since, as a consequence of it’s perihelion passage, it”s nucleus has been most likely destroyed.

We believe it still makes sense showing Comet ISON here since, whatever has remained of the comet, will contunue to move along the predicted trajectory, and will be hopefully visible with larger telescopes. For this reasons showing position data, ephemerides and charts showed here is still useful.

Please note that, while the predicted position of the comet is accurate, the estimated magnitude is not, since it’s value is still based on the assumption that the comet would have survived the perihelion passage. So please don’t rely on the current magnitude estimation we are providing for Comet ISON.