Observation by Chris Hooker: Mercury in IR 14th June 2017

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Chris Hooker

Observer

Chris Hooker

Observed

2017 Jun 14 - 06:00

Uploaded

2017 Jun 29 - 20:41

Objects

Mercury

Equipment
  • Orion Optics 250mm Newtonian
  • TeleVue x3 Barlow
  • ZWO ASI120MM-S camera
  • Baader IR filter
Exposure

0.397 msec (1/2519 sec)

Location

Didcot, Oxfordshire

Target name

Mercury

Title

Mercury in IR 14th June 2017

About this image

Rather poor seeing because Mercury was just above nearby house roofs that were in full sunlight. As usual, the proportion of usable video frames was very small, less than 1%, requiring careful selection in VirtualDub. Final stacking was in Registax, with processing and sharpening in Iris and Registax. The reference image was obtained from Stellarium 0.16.0.

If you compare this image with the one from June 10th you can see the phase has increased and the features have shifted due to the planet's rotation. Note the two images are not to the same scale.

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