Observation by Michael Jager: To estimate the brightness, we took the ...

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BAA Comet Section

Observer

Michael Jager

Observed

2025 Sep 17 - 18:21

Uploaded

2025 Sep 22 - 11:52

Objects

0003I

Full filename

3i/3i_20250917_1821_mjaeger.jpg

Target name

0003I

Title

To estimate the brightness, we took the images with a green filter (maximum between 500-570 nm), where the coma is brightest. The blue filter also shows the coma clearly. The tail is clearly visible in blue (400-500 nm) and red (600-680 nm). It is barely visible in the green filter.

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3i_20250917_1821_mjaeger.jpg (236.9 kB)

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