All 22 Cameras on Artemis 1 Explained (plus the 150+ pad cameras)
Thanks Holger. If that bucket of bolts ever gets off the ground then they will be able to put on quite the video show, but of course they will only show us what they want us to see, easy to switch cameras or not show some feeds, and communications bandwidth will of course impose some restrictions. Some video will be recorded and we will see it later, which of course gives time for image processing or manipulation. I am not expecting to see anything that might raise awkward questions, only the eye candy that NASA has had decades to perfect.
Eyes in space, and eyes not subject to non-disclosure limitations, is the only way to get a real feel for conditions out there, though if we are to believe the Apollo astronauts then we already know just how dark it is out there.
Also for the UV topic pages 96/97 are interesting as for some unknown reason the Mars camera doesn't really capture the UV-induced fluorescence of rocks in visible light. That's not explained so far as the fluorescence is happening in the visual green light and should be visible by the camera.
Perhaps the Martian rock is not what they think it is?
That's a very comprehensive article, but given all the science, math and calibration details is there any way to use the data from the camera to determine the reflected lux values of the rock being examined?
I was looking at this article about the spectrum of the Martian sky:
Chromaticity of the Martian sky as observed by the Mars Exploration Rover Pancam instruments
https://www.researchgate.net/publicatio ... nstruments
Again their are no actual measured lux values of the Martian sky, and they use a theoretical brightness based on the solar constant model.
The last time NASA talked about lux values was for the model of the lunar surface brightness under full Earthshine, and came up with 18 lux. Plenty good enough to perform most surface operations by.
Clearly NASA does not want to divulge the actual measured values as they would not fit the solar constant model, which makes perfect sense if there is no visible sunlight! They are scared of light meters, and they are also scared of neutral density filters because if they used one on a COTS camera in deep space it would see nothing!! Prove me wrong NASA.