Observation by john simpson: Polarisation 12P/Pons Brooks

Uploaded by

john simpson

Observer

john simpson

Observed

2024 Feb 26 - 19:52

Uploaded

2024 Feb 28 - 19:29

Objects

12P Pons-Brooks

Equipment

ATIK 314L+
Celestron C6
Dual Beam Polarimeter (Half Wave Plate, Wollaston Prism)

Exposure

15 sec x 84

Location

Parton, D&G

Target name

12P/Pons Brooks

Title

Polarisation 12P/Pons Brooks

About this image

Image shows ordinary/extraordinary beam V-Band intensities for 12P and nearby stars. Measured linear polarisation resolved into scattering plane +4.0% +/- 0.2% at phase angle 35 deg, fits with empirical data from Kiselev & Rosenbush graph (2012) for comets with high dust/gas ratios.

Files associated with this observation

12PV.jpg (1.5 MB)

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Robin Leadbeater

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