Contains:  Solar system body or event
Saturn and Japet in transit on July 18, 2022, MAILLARD

Saturn and Japet in transit on July 18, 2022

Acquisition type: Lucky imaging

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Description

This is the first time since I have imaged Saturn, that I observe the presence of one of its satellites in transit in front of the planet.Only the IR 685 filter was able to highlight this. No trace in channels G and B.Version B shows Japet as a dark spot on Saturn's left limb.I used Photoshop's layer function to place the satellite back on the final image at the precise place and time given by WinJupos.Derotation of 58 minutes (from 00:32 to 01:30 UT) with 9IR- 9G- 9B and 60s per video. Japet is the third largest satellite of Saturn by its size (about 1427 km).

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Revisions

  • Final
    Saturn and Japet in transit on July 18, 2022, MAILLARD
    Original
  • Saturn and Japet in transit on July 18, 2022, MAILLARD
    B

B

Description: Channel IR 685 of a single IRGB run, corresponding to the final timestamp chosen by Winjupos.

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Histogram

Saturn and Japet in transit on July 18, 2022, MAILLARD