Natasha's instrumentation

This includes:

	the new "Flash 4" model Sky Commander Digital Setting Circles ( DSC's) with 8000 tic encoders
	the "Dob Driver II" (DDR2) which I'll be installing once I make up my mind which of the three options for altitude mounting (classic belt drive, rim drive, or "clutchless" rim drive) to use.  I'll be sending in an old DDR2 unit (I've got two, and have been a user for five years) along with a set of ultra high resolution motors for Tech 2000 (http://homepages.accnorwalk.com/tddi/tech2000/) to install.  This will give me tracking on the scope-- a necessity with Mars approaching!
	The Compaq Presario 2100 laptop ("only" a Celeron 1.8 ghz processor; heck, I labored with a 233 mhz Pentium II laptop for astronomy for years!) which I purchased on Ebay shortly after Compaq/HP stopped including a genuine RS232C serial port.  When will astronomy hardware makers move to USB, and what will we do with our legacy hardware?
	the dual probe thermometer used to measure the temperature of the primary mirror (by an insulated probe) and the ambient air to see if the difference is greater than 2 degrees F., which causes the boundary layer/turbulence problems to become pronounced.  (See Greer and Alder's articles in Sky and Telescope, or search the fans forum on Yahoo.).
	Out of morbid curiosity (we've got humid summers in the Washington DC area!) and to refine the observing conditions notation in my viewing log, I recently added an inexpensive humidity monitor as well.