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Crew Rehearses Six-Hour Lunar Photography for Flyby

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16:13UTC

Four astronauts practised a choreographed observation sequence for surface features that no crewed mission has ever been positioned to photograph.

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ScienceDeveloping

Key takeaway

A six-hour observation programme targets features no crewed mission has previously been able to photograph.

The entire crew rehearsed a six-hour lunar photography choreography on Day 5, reviewing NASA's target list of surface features for the flyby on 6 April. The observation window opens at 2:45 p.m. EDT when Orion's main cabin windows face the Moon. ¹

The target list includes Orientale basin, polar craters, and a planned solar eclipse observation as the Sun disappears behind the Moon for approximately one hour. The crew will also search for meteoroid impact flashes on the lunar surface. At 4,066 miles from the surface, Orion's altitude is roughly 58 times higher than Apollo's closest passes, providing a wide-field view of features that low-orbit missions could only capture in narrow strips.

The choreography assigns each crew member specific windows, targets, and camera settings. Six hours of coordinated observation is not a casual glance out the window. It is a structured science programme that requires the crew to be in precise positions at precise times, using the spacecraft's attitude to frame features that rotate into and out of view as Orion sweeps past the Moon.

Deep Analysis

In plain English

The Moon rotates relative to the spacecraft as Orion sweeps past at 4,066 miles altitude. Different surface features will be visible through specific windows at specific times. The six-hour choreography assigns each crew member particular windows, camera settings, and observation periods so that targets are captured at the precise moment they come into view. This is not tourist photography. NASA's target list includes polar craters that may contain water ice and are candidates for future landing sites, ancient lava flows that reveal the Moon's geological history, and the Orientale basin structure the crew already partially observed on transit.

Sources:NASA

Mentions:NASA →Orion →Orientale basin →

First Reported In

Update #4 · Day 5: Lunar Gravity Reclaims Humans for the First Time Since 1972

NASA· 5 Apr 2026

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Different Perspectives

ESA

The European Service Module has operated without anomaly for five consecutive days, with the OMS-E engine's translunar injection precision directly responsible for eliminating both correction burns. ESA's hardware contribution is the mission's highest-performing subsystem.

NASA

NASA cancelled a second consecutive outbound correction burn and confirmed Orion in lunar gravitational dominance, while declining to publish any crew radiation dose data through a complete G3 storm cycle. Bipartisan congressional rejection of its $18.8 billion FY2027 budget proposal means the agency faces a political fight even as its spacecraft performs above expectations.

Dual-framework nations

Signing both the Artemis Accords and the ILRS framework is rational hedging, not defection; smaller nations maximise access without exclusive commitment. Lunar governance is genuinely multipolar, and the US coalition count of 61 overstates exclusivity.

Boeing / Northrop Grumman

SLS component production spans more than 40 US states, giving the industrial base strong political protection regardless of commercial alternatives. Congressional mandates guarantee contracts through FY2029, insulating the supply chain from technical programme changes.

NASA Office of Inspector General

The IRB heat shield findings should have been published before launch. The Starship HLS is two years behind schedule with a worsening manual control dispute. NASA has no crew rescue capability for lunar surface operations. The programme is proceeding with documented, unresolved risks.

SpaceX

Starship HLS development is ongoing. SpaceX disputes the characterisation of the manual crew control requirement as unresolved, maintaining its autonomous landing architecture meets mission safety objectives. The company has not publicly responded to the OIG's worsening-trend characterisation.