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Mercury (IR) 20th May 2018

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About this observation
Observer
Martin Lewis
Time of observation
20/05/2018 - 09:16
Object
Mercury
Observing location
St Albans
Equipment
222mmDobsonian
642nm Astronomik filter
ASI290MM
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Comments

Jeremy's picture

These images are truly remarkable, Martin!

Jeremy

Fossil Light's picture

Thanks Jeremy,

I lot of development of new techniques not least of which is to find Mercury in bright daylight with a Dobsonian with the help of my Argo Navis digital setting circles. External shield to block the sun from heating the inside of the tube worked well too.

Processing methods very different for Mercury compared to other planets- this image was the output of the best 1% from 333k frames.

Best wishes

Martin

Fossil Light's picture

Image updated with phase and size details 23-5-2018

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