In Memoriam | Comet ISON Observing Campaign »

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The NASA Comet ISON Observing Campaign, or NASA CIOC, is a global NASA-backed initiative to encourage and facilitate ground and space-based observations of Comet C/2012 S1 (ISON) Source Main page (current trends)

More about: Comet ISON, nasa, NASA CIOC, space-based observations

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