Observation by Martin Lewis: The Elusive Planet Mercury

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Observer

Martin Lewis

Observed

2018 May 20 - 08:16

Uploaded

2018 May 26 - 17:33

Objects

Mercury

Equipment

222mm Dobsonian scope
Astronomik 642nm red filter

Location

St Albans, UK

Target name

Mercury

Title

The Elusive Planet Mercury

About this image

This image by Martin represents the best output of several attempts at imaging Mercury in full daylight. The elongation was favourable, with Mercury culminating before the sun and at a good altitude. Several techniques had been used to find the planet in a bright sky, without any GoTo. - using my 222mm Dobsonian on a home-built equatorial platform with Argo Navis digital setting circles and using the sun for error correction. An improvised moveable sun screen held in a parasol base stopped slanting sunlight warming the inside of the tube. The image represents the output of the best 0.75% of 334k frames, joined in Pipp then processed in AS3.0.11 and Registax using gamma and very light wavelets then finished using Astra Image deconvolution in PaintShop Pro.

Files associated with this observation

wk22_18_Mercury_2018-05-20_09-16_lewis.jpg (127.3 kB)

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