CCD Observing Log of Ritter Observatory | |
Page 1 | of 1 |
Echelle settings | UT Date: 25 Dec 2006 |
Observer: SJR |
LDS Settings | ||||
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X-Disp Tilt: 235.0 | λc: Hα | Exposure: 20061225.0* |
Temp. (°C): 13 |
RH (%): 80 |
Grating: 6 | λc: Hα | Tilt: 4o |
Echelle Tilt: 21.95 | Slit: 275 | Sky
Conditions: mostly clear/partly cloudy |
Slit: 255 | Temp.: -93.5oC | Focus: 5.81 |
Exp # |
(UT) |
(s) |
Start |
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|
Mag |
(/pix) |
Comments |
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01-05 |
22:09 |
0 |
zenith |
E |
bias |
75 |
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06-10 |
22:27 |
6 |
zenith |
E |
Flat |
2934 |
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11 |
22:44 |
300 |
+2:41 |
E |
Th-Ar comp |
107 |
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12 |
22:53 |
300 |
+2:50 |
E |
alpha Cyg |
A2Ia |
1.25 |
273 |
#13 Th-Ar 23:02 |
14 |
23:25 |
1800 |
+3:13 |
E |
55 Cyg |
B2.5 Ia |
4.84 |
123 |
#15 Th-Ar 23:57 |
16 |
0:20 | 2100 |
+3:12 |
E |
nu Cep |
A2Ia |
4.29 |
161 |
#17 Th-Ar
0:56 RH= 85% |
18 |
1:13 |
300 |
+1:10 |
E |
alpha Cas |
K0- IIIa |
2.23 |
165 |
#19 Th-Ar 1:20 |
20 |
1:42 |
1800 |
+0:37 |
E |
phi Per |
B2Vpe |
4.1 |
158 |
#21 Th-Ar 2:15
Through a slight haze RH=92% |
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some clouds are out, I'll wait awhile to see if
they clear |
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22-26 |
2:56 |
0 |
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E |
bias |
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78 |
RH=95% have to close |
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27-31 |
3:13 |
5 |
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E |
Flat |
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4418 |
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