Try increasing gamma if dark sections aren't distinguished

Try increasing gamma if dark sections aren't distinguished

Thursday, August 9, 2018

martian mountains

recent mars images:
Mars 8/7/2018 07:45 UTC RGB
CM = 84.9
CL = -10.0
Infrared as luminance:
Mars 8/7/2018 07:45 UTC IR-RGB
with more heavy handed processing in my latest image Olympus Mons, one of the tallest mountain in the solar system, can be seen thru the dust.  
Olympus Mons
Mars 8/7/2018 07:45 UTC RGB

Though less distinct, three mountains of the Tharsis range can also be seen:
Tharsis Montes
Mars 8/7/2018 07:45 UTC RGB
Mount Olympus can also be seen in this image a few days earlier, though less clearly.  
Mars/Olympus Mons 8/4/2018 08:45 UTC IR-RGB
CM = 126.2
CL = -10.2

Mars 8/4/2018 08:14-08:50 UTC IR
Imaging details:
reviewed prior images while there seems to be a slight increase in contrast, my processing has become more heavy handing, yielding more details; it's still pretty much a featureless orange disk with a polar cap visually.
8/4/2018 08:45 UTC
CM = 126.2
CL = -10.2
8/7/2018 07:45 UTC
CM = 84.9
CL = -10.0
celestron 11" Edge HD
televue 2x barlow
ZWO ASI 290MM
ZWO RGB filters, Baader IR pass "685" nm
8/4 4x120 seconds
8/7 2x120 second captures each filter 8/7
200 FPS, gain 351, exposure ~1 ms (3 ms blue), 30% histogram
firecapture, autostakkert, winjupos, maxim, photoshop
elevation 30 degrees
Eastbluff
Southern California

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