A fantastic night at Keck observatory – A follow-up

Hello,

Yesterday I was observing at Keck Observatory as you could read in my previous post. I was not very positive when I wrote my post since the summit was in the fog and clouds. A few minutes after I finished writing it up it got clear and we could open the telescope just on time to start observing (see the allsky picture below). This post is a brief report about what happened last night.

Binary asteroids and good Omens – the dilemma of observers

Hello,

I am in Hawaii on the Big Island preparing our observations at Keck Observatory for tonight. If the weather gets clear, it is going to be an interesting night. My main program tonight is to search for companions of asteroids around S-type asteroids, meaning asteroids with a “rocky” composition.