Observation by Chris Hooker: Mercury, 17th June 2022

Uploaded by

Chris Hooker

Observer

Chris Hooker

Observed

2022 Jun 17 - 09:15

Uploaded

2022 Jun 18 - 17:32

Objects

Mercury

Equipment

254mm F/6.3 Newtonian
5x IR Barlow lens
610 nm to 850 nm bandpass filter combination
ZWO ASI174 mono camera

Exposure

0.41 msec @ F/32

Location

Didcot, Oxfordshire

Target name

Mercury

Title

Mercury, 17th June 2022

About this image

A crescent Mercury imaged in difficult conditions: poor local seeing and a gusty wind shaking the telescope. The low quality of the data made it necessary to select the final set of video frames for stacking by visual inspection, after processing in PIPP and Registax to eliminate the worst of them. The final stack of 1150 out of 205,000 frames shows a few of the albedo features, in particular a lighter region near the limb and some darker markings near the north pole. As usual, the brightness range in the image makes the planet appear more of a crescent than it really is.

Files associated with this observation

Mercury 17 Jun 22.png (37.0 kB)

Like this image

Jeremy Shears, Philip Masding, Ron Johnson

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