Radar And Mariner 10, Best possible mapping, pre-Messenger Options

[JRehling]

[...]

[peter59]

I recognize that many of you are waiting for new images of Mercury, but you can't also see old images.


Tape MVE_033 Image 091 (29 November 1973)

[tedstryk]

I have been playing around with some Mariner-10 shots. I experimented with color, but Mariner 10's camera had such a weird filter selection that, when combined with calibration issues, make things really difficult.



Here is a cleaner view of the south polar view I did a while back, both in original form and from a high pass filter. There is a larger mosaic, but since it depends on a heavy amount of reprojection, I decided to stick with the wide angle data, as Mercury's topography makes significant reprojection obvious.



Here is the 3rd encounter Discovery Rupes mosaic, with a small gapfill from stacked first-encounter images to fill the sliver between the two lower images. Also, I did a stack of the "Discovery Dome" area using third encounter images.

[JRehling]

[...]

[tedstryk]

True-color is such a relative thing....I think even Messenger stuff might go through a few variations as we have seen in color images from many early missions....the problem is the lack of a standard for subtle balancing work. By the way, if anyone downloaded the image right after I posted it, I posted the wrong file...it has now been corrected.