Viewing a single comment thread. View all comments

lezzet t1_ixqwctg wrote

Reply to comment by kldload in Orion snaps 'selfie' with the Moon as it prepares for distant retrograde orbit | Insertion burn scheduled to take place today then engineers have six days to see how spacecraft fares in deep space by chrisdh79

What are the lines along some of the white areas?

89

lucius10203 t1_ixr1lub wrote

Since they're aligned with the camera and not the object, I would assume artefacting. Something like stitched together photo lines or effects from fast travel in a static image.

127

Kichigai t1_ixrzdr8 wrote

Have we fully radiation hardened digital imaging sensors? It's getting a good blast of all sorts of fun particles from Mr. Sun right then, wouldn't shock me one iota if they were being picked up by, or interfering with, the imaging sensor.

If it were a CMOS sensor it would make sense that you'd see per-line artifacting like this, though I might guess that NASA might use a CCD for this application.

29

FlyingSpacefrog t1_ixsmb6r wrote

On the launch day live stream with Everyday Astronaut he said that the cameras on Orion’s solar panels are essentially just GoPros

12

Kichigai t1_ixsolqf wrote

Information linked to in this tweet would seem to corroborate this.

>“Each of Orion’s four solar array wings has a commercial off-the-shelf camera mounted at the tip that has been highly modified for use in space, providing a view of the spacecraft exterior,” said David Melendrez, imagery integration lead for the Orion Program at NASA’s Johnson Space Center in Houston.

15

Daillestemcee t1_ixr0g7h wrote

Pretty sure those are Sasquatch tracks

28

winterfresh0 t1_ixr4uh8 wrote

Something something hollow moon.

Alternatively, gurren lagann was a documentary and the moon is a giant spaceship/robot.

13

Kichigai t1_ixsnpbz wrote

They printed it with Vase Mode. Those layer lines blow!

0

Sav-vie t1_ixrpn36 wrote

Its from the moon projectors making the moon hologram 🌚

8

5yleop1m t1_ixsbl5a wrote

From what I understand, the pictures with the lines are taken with the OpNav cameras which keep the space craft oriented by studying the surface of the moon.

Some info here - https://ntrs.nasa.gov/api/citations/20210000793/downloads/Orion%20Optical%20Navigation.pptx.pdf

And more details here - https://mashable.com/article/nasa-artemis-1-moon-images-pictures-orion

The cameras have to be able to see tiny feature differences, so their contrast is higher than usual. The lines could be part of the sensor or some other part of the image processing pipeline. Sometimes markers like that are used to help differentiate between different flat aspects of an image, since the lines are a known constant.

7