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Three Comets Set for October 2025 Sky Show

9/30/2025

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Summary

Story summary

C/2025 R2 (SWAN), a long-period comet discovered by Vladimir Bezugly, should be visible in October and reach Earth on October 21, 2025.
C/2025 K1 (ATLAS) may brighten after perihelion on October 8, staying below the horizon through November.
C/2025 A6 (Lemmon) could become naked-eye visible by late October.
Light pollution affects visibility; dark locations increase sighting chances.

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Story summary

C/2025 R2 (SWAN), a long-period comet discovered by Vladimir Bezugly, should be visible in October and reach Earth on October 21, 2025.
C/2025 K1 (ATLAS) may brighten after perihelion on October 8, staying below the horizon through November.
C/2025 A6 (Lemmon) could become naked-eye visible by late October.
Light pollution affects visibility; dark locations increase sighting chances.