CCD Observing Log of Ritter Observatory | |
Page 1 | of 1 |
Echelle settings | UT Date: 19 Dec 2006 |
Observer: NDM, SJR |
LDS Settings | ||||
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X-Disp Tilt: 235.0 | λc: Hα | Exposure: |
Temp. (°C): 15 |
RH (%): 65 |
Grating: 6 | λc: Hα | Tilt: 4o |
Echelle Tilt: 21.95 | Slit: 275 | Sky
Conditions: mostly Clear, cirrus |
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 |
22:38 |
0 |
zenith |
E |
bias |
78 |
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06-10 |
22:55 |
5 |
zenith |
E |
Flat |
4724 |
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11 |
23:18 |
300 |
E |
Th-Ar comp |
107 |
||||
12 |
23:32 |
300 |
+3:06 |
E |
alpha Cyg |
A2Ia |
1.25 |
312 |
Th-Ar comp #13 23:42 clouded up, had to stop for
a bit |
14 | 1:56 |
300 |
+1:30 |
E |
alpha Cas |
K0IIIa |
2.23 |
110 |
small hole, but still cloudy Th-Ar comp #15 2:13
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closed up early due to heavy clouds |
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