Asteria — interactive night sky map

123P/West-Hartley

123P/West-Hartley is a comet on an elliptic orbit, with perihelion (its closest approach to the Sun) around 22 September 2026 at a distance of 2.16 AU.

Open this page in Asteria to see 123P/West-Hartley's live position in tonight's sky from your own location, including its current magnitude and visibility.

Source: COBS Comet Observation Database · CC BY-NC-SA 4.0

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