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Mercury IR 24th Feb 2019
About this observation
Observer
Martin Lewis
Time of observation
24/02/2019 - 13:17
Object
Mercury
Observing location
St Albans
Equipment
222mmDobsonian
ASI290MM
642nm filter IR
ASI290MM
642nm filter IR
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My processed image alongside recreation based on Messenger probe data (Sky Safari) from the same time slot,
Martin
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Comments
Edge Rind Treatment
This is the first time I have used a circularly symmetric mask based on a spun blur of the original planet image to remove the edge rind artefact that so affects Mercury images. Seemed to work quite well- sharpening up the edge, dropping the severity of the artefact considerably and allowing detail at the edge of the planet to come through nicely.
Martin