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Massive Asteroid BL86 Approaches Earth

Here's a composite photo to go with the time-lapse video I posted this morning of mountain-sized Asteroid 2004 BL46 (357439) as it approached earth last night. Fortunately this pass was a near-miss, coming no closer than 3X the distance to the moon. That's still very close in terms of the vastness of space, and it'll be interesting to see how close it comes on its next lap 8000 years from now.

This still image was assembled from the first 60 images I captured, the video clips from 119 separate images of the sky. Click on my name to see all of my posts to see my post this morning with the video. I also posted photos and video of Comet Lovejoy in recent days.

The sequences of photos of the asteroid last night were taken with a full frame DSLR and 70-200 mm lens, on a star-tracking mount. The evening sky is becoming bright with the moonlight, so I lowered the they ISO sensitivity to 2000. I tried a second camera using an 85mm lens at f/2.2 without a tracking mount, but I probably won't get to that footage this week so see whether the asteroid shows up well.

#science #astronomy #news #astrophotography #537439
www.JeffSullivanPhotography.com

 

Comments

17 thoughts on “Massive Asteroid BL86 Approaches Earth”

  1. Sooner or later one of these bad boys is gonna hit us. And since we have already plotted the course of most or all near earth asteroids that we know of, the one that hits us big time will arrive with little or no warning. I say invest in Krugerrands while you can.

  2. What, pray tell, will man do about this? What CAN man do about this? I have an idea, how about believe Almighty God and repent so as to be saved. This earth will be destroyed eventually and mankind cannot, and is not big enough to do anything about it. Repent while there is still time.

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