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Dual Clusters near Antares

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Phobos and Deimos

Started by pcrice, 08/11/2003 03:24PM
Posted 08/11/2003 03:24PM Opening Post
Set up a 16" NightSky dob with a Pegasus mirror this morning at 2 am PDT. Seeing was at least an 8 with a wealth of detail around Mare Cimmerium. Both moons were at opposition on opposite sides of the planet. I've wanted to construct an occulting bar, but haven't taken the time, so I put the planet just outside the field of an old 6.6 ortho. Deimos was relatively easy and Phobos less so (I wouldn't have seen them if I wasn't looking for them). I watched for over an hour as Phobos approached the planet and was no longer visible. To reassure myself, I ran 2 programs this morning showing stars down to mag 13 and there nothing in the field of view.

It will be interesting in the next month to see how small a scope will pick up these 2 elusive objects. Has anyone else made a search for them yet?

Pete Rice
Posted 08/11/2003 03:26PM #1
Peter -- what are the magnitudes of Phobos and Deimos?