LPL Sentinel Peak Field Trip: Day 1

SIGMA SD9, 2005:04:03 23:45:02 -- 1/8 sec, f/2.8.  No Flash.2268x1512 Large -- Medium

Me packing while Gwen and the kids look on.
SIGMA SD9, 2005:04:03 23:45:11 -- 1/350 sec, f/9.5.  No Flash.2268x1512 Large -- Medium

SIGMA SD9, 2005:04:03 23:45:31 -- 1/500 sec, f/11.0.  No Flash.2268x1512 Large -- Medium

Brian Jackson's talk on Basin and Range.
SIGMA SD9, 2005:04:03 23:45:51 -- 1/250 sec, f/8.0.  No Flash.2268x1512 Large -- Medium

SIGMA SD9, 2005:04:03 23:46:11 -- 1/750 sec, f/13.0.  No Flash.2268x1512 Large -- Medium

Halo around the sun, taken with low-cost coronagraph.
SIGMA SD9, 2005:04:03 23:46:41 -- 1/1000 sec, f/16.0.  No Flash.2268x1512 Large -- Medium

Without the coronagraph. Protoplanetary disk observers would claim that this shows a clear hole in the center of a dust disk, and that that hole clearly indicates a planet clearing the gap. The planet must have a mass of 0.7 Jupiter masses, a semimajor axis of 170 AU, and an eccentricity of near zero.
SIGMA SD9, 2005:04:03 23:46:51 -- 1/350 sec, f/9.5.  No Flash.2268x1512 Large -- Medium

Milling for lunch on the road through the bombing range.
SIGMA SD9, 2005:04:03 23:47:31 -- 1/250 sec, f/6.7.  No Flash.1512x2268 Large -- Medium

John Keller talks about the remote sensing of planetary atmospheres
SIGMA SD9, 2005:04:03 23:47:43 -- 1/350 sec, f/9.5.  No Flash.1512x2268 Large -- Medium

while others look on.
SIGMA SD9, 2005:04:03 23:47:54 -- 1/350 sec, f/9.5.  No Flash.2268x1512 Large -- Medium

Complex visuals are difficult to show out in the field!
SIGMA SD9, 2005:04:03 23:48:14 -- 1/350 sec, f/9.5.  No Flash.2268x1512 Large -- Medium

SIGMA SD9, 2005:04:03 23:48:35 -- 1/350 sec, f/9.5.  No Flash.2268x1512 Large -- Medium

Where's that fieldtrip whiteboard?
SIGMA SD9, 2005:04:03 23:48:59 -- 1/250 sec, f/9.5.  No Flash.1512x2268 Large -- Medium

Curtis in food coma.
SIGMA SD9, 2005:04:03 23:49:25 -- 1/500 sec, f/8.0.  No Flash.2268x1512 Large -- Medium

SIGMA SD9, 2005:04:03 23:49:48 -- 1/350 sec, f/11.0.  No Flash.1512x2268 Large -- Medium

Zibi (and me, too, really) tries to get some perspective on the 10-100m scale gully features that John Keller talked about east of the Painted Rock mountains.
SIGMA SD9, 2005:04:03 23:50:16 -- 1/350 sec, f/9.5.  No Flash.2268x1512 Large -- Medium

SIGMA SD9, 2005:04:03 23:50:40 -- 1/500 sec, f/8.0.  No Flash.1512x2268 Large -- Medium

SIGMA SD9, 2005:04:03 23:51:58 -- 1/350 sec, f/8.0.  No Flash.2268x1512 Large -- Medium

SIGMA SD9, 2005:04:03 23:52:44 -- 1/350 sec, f/6.7.  No Flash.2268x1512 Large -- Medium

View toward the Painted Rock Mountains.
SIGMA SD9, 2005:04:03 23:53:05 -- 1/350 sec, f/9.5.  No Flash.2268x1512 Large -- Medium

SIGMA SD9, 2005:04:03 23:53:16 -- 1/350 sec, f/9.5.  No Flash.2268x1512 Large -- Medium

Doug Archer stands on a dark -- and unanticipated -- desert pavement.
SIGMA SD9, 2005:04:03 23:53:27 -- 1/350 sec, f/9.5.  No Flash.2268x1512 Large -- Medium

SIGMA SD9, 2005:04:03 23:53:38 -- 1/250 sec, f/8.0.  No Flash.2268x1512 Large -- Medium

SIGMA SD9, 2005:04:03 23:54:00 -- 1/350 sec, f/6.7.  No Flash.2268x1512 Large -- Medium

The areas that look dark from orbit are made up of desert pavement -- desert varnished rocks that coat the top surface.
SIGMA SD9, 2005:04:03 23:54:12 -- 1/350 sec, f/6.7.  No Flash.2268x1512 Large -- Medium

The light areas are the streambeds lower than and between the dark, desert pavement areas. These are covered with light-colored silt.
SIGMA SD9, 2005:04:03 23:54:23 -- 1/350 sec, f/9.5.  No Flash.2268x1512 Large -- Medium

SIGMA SD9, 2005:04:03 23:54:33 -- 1/350 sec, f/9.5.  No Flash.2268x1512 Large -- Medium

SIGMA SD9, 2005:04:03 23:54:44 -- 1/250 sec, f/5.6.  No Flash.2268x1512 Large -- Medium

Nicole Baugh talks about the Gila River and the Painted Rock dam near this location.
SIGMA SD9, 2005:04:03 23:54:55 -- 1/350 sec, f/9.5.  No Flash.2268x1512 Large -- Medium

Painted Rock Reservoir in background.
SIGMA SD9, 2005:04:03 23:55:18 -- 1/500 sec, f/9.5.  No Flash.2268x1512 Large -- Medium

SIGMA SD9, 2005:04:03 23:55:40 -- 1/125 sec, f/5.6.  No Flash.2268x1512 Large -- Medium

The self-appointed "foremost world's expert" on the beautiful rock art at the Painted Rocks State Park -- a sweet and sincere lady, but ultimately a quack who thinks that all of the rocks are in the shape of constellations.
SIGMA SD9, 2005:04:03 23:55:51 -- 1/125 sec, f/4.5.  No Flash.2268x1512 Large -- Medium

SIGMA SD9, 2005:04:03 23:56:02 -- 1/180 sec, f/6.7.  No Flash.2268x1512 Large -- Medium

SIGMA SD9, 2005:04:03 23:56:12 -- 1/750 sec, f/13.0.  No Flash.2268x1512 Large -- Medium

More solar/cloud radiation interaction observations, this one of a sundog.
SIGMA SD9, 2005:04:03 23:56:39 -- 1/250 sec, f/5.6.  No Flash.2268x1512 Large -- Medium

Some rock imprintings that are clearly astronomical. The expert thinks that they represent the 1054AD supernova, which I don't buy but I can't yet rule out.
SIGMA SD9, 2005:04:03 23:57:40 -- 1/90 sec, f/13.0.  No Flash.2268x1512 Large -- Medium

Mike Bland talks about the lobate scarp features that you can see behind the group there.
SIGMA SD9, 2005:04:03 23:58:10 -- 1/4 sec, f/13.0.  No Flash.2268x1512 Large -- Medium

Colin Dundas, Brian Jackson, Doug Archer, and Nicole Baugh look down on a 10 m drop into a basalt lava tube.
SIGMA SD9, 2005:04:03 23:59:06 -- 1/2 sec, f/27.0.  No Flash.2268x1512 Large -- Medium

Sunset from the campsite.