John writes-
Joey,
It was nice to meet you tonight. Here is the web site I was telling you about.
Has you can see in the attached picture, I knew when, and where to be to get the moon between the towers. Knowing the time of the moon-rise ,and sun-set helps with the exposure of the Twin Lights. I’m still working on my settings, so I don’t over expose the moon, or under expose the rest of the shot.
I hope the other photographers find this has cool to use has I do.
The other picture is something I found on my way across the rocks, off Penzance Rd. in Rockport. I was told it is where the earth split millions of years ago, and filled in with molten lava.
Good Morning Gloucester 
I’ve been looking for an easy program to find out where the moon is going to rise for ages. This Ephemeris TPE is perfect. Motif #1 with the moon rising behind it here I come.
Fun Fact on that crack in the rock: Yes, molten lava filled the crack. That occurred around 150 million years ago when that granite was east of here and miles under the ground and ocean. The lava has a name, gabbro, or basalt but I think gabbro is a catchier name.
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That black rock is Basalt and can be seen in a number of areas around Cape Ann in various widths and depths. I believe the widest formed Rafe’s Chasm is in Magnolia. The Basalt is much softer than Granite which forms the bulk of the Cape Ann’s rock
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Nice shots, John! Your group photo of us at the picnic Mass was great too. And thanks for the tip for the moonrise information!
I also have been fascinated by those rock formations. I think my most interesting photo of one of them in Rockport is here: http://www.flickr.com/photos/mehjg/4347750712
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