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Observation by Michael Jager: 3I ATLAS from December 15, 2025, with th...

Uploaded by

BAA Comet Section

Observer

Michael Jager

Observed

2025 Dec 15 - 00:00

Uploaded

2025 Dec 20 - 22:30

Objects

0003I

Planetarium overlay









Constellation

Leo

Field centre

RA: 11h05m
Dec: +05°26'
Position angle: -1°50'

Field size

5°07' × 3°13'

Full filename

3i/3i_20251215_mjaeger.jpg

Target name

0003I

Title

3I ATLAS from December 15, 2025, with the Zeiss Milvus f-135mm/2.8 and 13x130 sec exposure time Center (RA, Dec): (166.306, 5.434) Center (RA, hms): 11h 05m 13.503s Center (Dec, dms): +05° 26' 01.381" Size: 5.12 x 3.22 deg Radius: 3.026 deg Pixel scale: 9.01 arcsec/pixel "Orientation", may be incorrect, use at your own risk: Up is 1.8 degrees E of N

About this image
3I ATLAS from December 15, 2025, with the Zeiss Milvus f-135mm/2.8 and 13x130 sec exposure time Center (RA, Dec): (166.306, 5.434) Center (RA, hms): 11h 05m 13.503s Center (Dec, dms): +05° 26' 01.381" Size: 5.12 x 3.22 deg Radius: 3.026 deg Pixel scale: 9.01 arcsec/pixel "Orientation", may be incorrect, use at your own risk: Up is 1.8 degrees E of N
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