Mars Near the Seven Sisters: Final View Before 2034

From the eastern pre-dawn horizon, Mars will travel beneath the Pleiades (M45, the Seven Sisters) throughout the week of June 22-28, 2026. On Sunday, June 28, the planet reaches a minimum separation of roughly 4.3 degrees from the cluster, providing the clearest view before the planets set deeper into the evening sky. This alignment will not recur until 2034.

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The Mars-Pleiades conjunction occurs only once per decade, driven by Mars’s 687-day orbit and the fixed position of the cluster. WhenTheCurvesLineUp.com notes this as the last opportunity for a ten-year span. A brightening Moon will culminate in the full Strawberry Moon on June 29, which will dim fainter stars but leaves the brightest objects visible.

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• June 22-28: Mars moves under Pleiades, closest June 28.

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• June 23: 71 % Moon within 2° of Spica.

Mars will pass the Seven Sisters this week and it won't happen again until 2034 - here's how to see it and other night sky events you must not miss

• June 24: Mercury low west, under Jupiter & Venus (final evening view).

Mars will pass the Seven Sisters this week and it won't happen again until 2034 - here's how to see it and other night sky events you must not miss

• June 26-27: Virtual Telescope Project streams asteroid (152637) 1997 NC1.

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• June 27: Asteroid passes 2.6 M km (~6.7 LD) from Earth.

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• June 29: Full Strawberry Moon.

Mars will pass the Seven Sisters this week and it won't happen again until 2034 - here's how to see it and other night sky events you must not miss

• Mars-Pleiades separation: 4.3° at closest.

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• Asteroid (152637) 1997 NC1 distance: 2.6 M km (~6.7 lunar distances).

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• Estimated asteroid size: 710–1,600 m.

Mars will pass the Seven Sisters this week and it won't happen again until 2034 - here's how to see it and other night sky events you must not miss

• Moon illumination June 23: 71 %.

Mars will pass the Seven Sisters this week and it won't happen again until 2034 - here's how to see it and other night sky events you must not miss

• Moon-Spica separation: 2°.

Mars will pass the Seven Sisters this week and it won't happen again until 2034 - here's how to see it and other night sky events you must not miss

• Mercury-Jupiter-Venus alignment visible June 24.

Mars will pass the Seven Sisters this week and it won't happen again until 2034 - here's how to see it and other night sky events you must not miss

WhenTheCurvesLineUp.com describes the Mars-Pleiades conjunction as a “once-in-a-decade” event, emphasizing its rarity. The Virtual Telescope Project will stream the asteroid flyby on June 26-27, offering live data for both the public and researchers. Both groups advise observers to secure clear horizons for viewing.

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The conjunction offers a rare visual reference for both amateur and professional astronomers, allowing direct comparison of planetary motion against a fixed star cluster. The live broadcast of the asteroid flyby gives the public immediate access to the event, supporting outreach and observation.

Mars will pass the Seven Sisters this week and it won't happen again until 2034 - here's how to see it and other night sky events you must not miss

Sources agree on all dates, distances and magnitudes; no contradictions were found.

Mars will pass the Seven Sisters this week and it won't happen again until 2034 - here's how to see it and other night sky events you must not miss

• “This is your last chance to see three planets in the post-sunset night sky, with tiny Mercury now low — and about to disappear — in the west beneath Jupiter and Venus.” — Forbes article author

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• “com, it won’t happen again until 2034.” — Forbes report

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• “The Virtual Telescope Project plans to broadcast the flyby live online on June 26 and June 27.” — Economic Times summary

Mars will pass the Seven Sisters this week and it won't happen again until 2034 - here's how to see it and other night sky events you must not miss