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August 2013 Blog Posts (2)

My first DSO image

This was taken on July 31 2013 for 3 min exposure with SBIG 2000XCM(self-guiding), 10inch Orion F3.9 Newt, CGE Pro and CCDSoft

The location is my balcony in Bow, Washington, which is 10 miles from the famous bridge collapsed 2 months ago.

By the way I had crossed the bridge more than 100 times.

I had tried to take series of 8 pictures for stacking.

But the cloud moved in and self guider lost the guiding star resulting in elongated images from No 2.

I had a…


Added by Thomas Seok Hwan Kong on August 10, 2013 at 12:50pm — No Comments

A Lunar Flash Likely Originated By Meteoroidal Impact

On August 1, 2013 at 02:21:55.7 UT, a small meteoroid has impacted the Moons surface. The kinetic energy transformed by the impact into thermal energy also caused a short and intense flash of light that was detected by telescopes of R. Lena, A. Manna and S. Sposetti.

The simultaneity of the flash and the same position on the lunar surface indicates it is an impact. The event described above has been observed by Raffaello Lena (GLR group, Rome Italy) with a refractor 130 mm and with a…


Added by raf lena on August 9, 2013 at 2:27am — No Comments

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