160um 				
12.5% falls on central pixel, 17Jy=saturation 				
3.93x10^6 p/sec/pix is the saturation flux arriving at the telescope			
Telescope  		photons/	Watts/	    	photons/	Pt. Source=
T		   	cm^2*sec*sr 	cm^2*sr	    	sec/pixel	Bkgnd (Jy)	 
100			4.24E+14	7.61E-07	1.21E+10	5.26E+04
75			3.15E+14	5.59E-07	9.04E+09	3.91E+04
50			1.75E+14	3.02E-07	5.02E+09	2.17E+04
45			1.44E+14	2.46E-07	4.12E+09	1.78E+04
40			1.13E+14	1.91E-07	3.23E+09	1.40E+04
35			8.22E+13	1.37E-07	2.36E+09	1.02E+04
30			5.41E+13	8.88E-08	1.55E+09	6.71E+03
29			4.89E+13	7.99E-08	1.40E+09	6.07E+03
28			4.39E+13	7.14E-08	1.26E+09	5.44E+03
27			3.91E+13	6.33E-08	1.12E+09	4.85E+03
26			3.45E+13	5.56E-08	9.89E+08	4.28E+03
25			3.01E+13	4.84E-08	8.64E+08	3.74E+03
24			2.60E+13	4.16E-08	7.46E+08	3.23E+03
23			2.22E+13	3.53E-08	6.37E+08	2.76E+03
22			1.87E+13	2.95E-08	5.36E+08	2.32E+03
21			1.55E+13	2.42E-08	4.43E+08	1.92E+03
20			1.26E+13	1.95E-08	3.60E+08	1.56E+03
19			9.98E+12	1.54E-08	2.86E+08	1.24E+03
18			7.73E+12	1.18E-08	2.22E+08	9.59E+02
17			5.81E+12	8.82E-09	1.67E+08	7.21E+02
16			4.22E+12	6.35E-09	1.21E+08	5.24E+02
15			2.94E+12	4.37E-09	8.42E+07	3.64E+02
14			1.94E+12	2.86E-09	5.57E+07	2.41E+02
13			1.21E+12	1.75E-09	3.46E+07	1.50E+02
12			6.92E+11	9.95E-10	1.98E+07	8.59E+01
11			3.60E+11	5.10E-10	1.03E+07	4.46E+01
10			1.64E+11	2.30E-10	4.71E+06	2.04E+01
9			6.33E+10	8.75E-11	1.81E+06	7.85E+00
8			1.93E+10	2.63E-11	5.53E+05	2.39E+00
7			4.21E+09	5.70E-12	1.21E+05	5.22E-01
6.5			1.66E+09	2.24E-12	4.75E+04	2.06E-01
6			5.60E+08	7.57E-13	1.61E+04	6.95E-02
5.5			1.56E+08	2.12E-13	4.47E+03	1.94E-02