Archive for November, 2016

164121 – 2003 YT1 in Ursa Minor. 2nd November 2016.

by on Nov.02, 2016, under Astronomy Blog

In the early hours of this morning a small solar system body numbered (164121) 2003 YT1 passed close to Polaris.
As I was asleep, I missed the close encounter with the bright star, but was still determined to catch this fast moving object before it faded from view. Still just above Ursa Minor tonight it was a race to capture it before it rotated out of view behind our roof.

I set the camera up and aligned on the area of sky I hoped the asteroid would be.

This object is only just over a mile in diameter and at its closest passed 3.2 million miles away on the 31st of October.
So when was trying to capture it it was a little bit further away.

When all the images I took were added together the object can be seen as a streak across the image, showing how much it moved between each exposure and how rapidly it was moving through the field of view. It was around 12th magnitude at the time.

It’s just mind-boggling to think you can capture such a small object at such a distance right here in your own back garden.

The images were taken between 18:50 and 19:11 GMT on the 2nd of November 2016.

Picture saved with settings embedded.

(164121) 2003 YT1 in Ursa Major.


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