Observation by Geof Lewis: Mars (R-RGB) 20 Sept 2020

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Geof Lewis

Observer

Geof Lewis

Observed

2020 Sep 20 - 01:30

Uploaded

2020 Sep 21 - 10:53

Objects

Mars

Equipment
  • C14 XLT
  • ASI290MM
  • Astronomic RGB filters
  • x2 TV Powermate
  • AP1200
Exposure

13ms (75 fps), with gain adjusted to maintain consistent histogram

Location

Norfolk

Target name

Mars

Title

Mars (R-RGB) 20 Sept 2020

About this image

This is an R-RGB image of Mars and my best ever Mars image to date. The capture sequence was 5 sets of R-G-B-IR AVIs, each of 3 mins duration at 75 fps, however, with the R data being good, I opted to use the stack of 5xR as a luminance rather than the inferior resolution IR data.
I processed each of the 5xRGB AVIs in AS3!, taking each stack of best 30% into Registax 6 for wavelet sharpening, before de-rotating in WinJupos. The final de-rotated R-RGB stack had a further mild sharpening and colour balance adjustment in Registax 6, followed by a few aesthetic tweaks in Affinity Photo and PS, where I also added the annotation.

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