Observation by Nick James: 12P/Pons-Brooks in outburst

Uploaded by

Nick James

Observer

Nick James

Observed

2023 Jul 24 - 21:01

Uploaded

2023 Jul 24 - 23:00

Objects

12P Pons-Brooks

Equipment

CDK17 + IMX455

Exposure

12x60s

Location

Spain (https://www.alnitakobs.com/)

Target name

12P/Pons-Brooks

Title

12P/Pons-Brooks in outburst

About this image

Magnitude is holding steady at 11.7. Bright coma is now around 1 arcmin in diameter. At the comet's distance of 530 million km this apparent diameter corresponds to a physical diameter of 145,000 km, just a bit larger than Jupiter. The expansion rate is around 160 m/s.

Files associated with this observation

12p_20230724_2101_ndj.jpg (300.2 kB)

Like this image

Mike Harlow, Ron Johnson, Peter Carson

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