CCD Observing Log of Ritter Observatory | |
Page 1 | of 1 |
Echelle settings | UT Date: 26 Sept 2006 |
Observer: KSB + class/NDM |
LDS Settings | ||||
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X-Disp Tilt: 235.0 | λc: Hα | Exposure: 20060926.x |
Temp. (°C): 27 |
RH (%): 55 |
Grating: 6 | λc: Hα | Tilt: 4o |
Echelle Tilt: 21.95 | Slit: 275 | Sky
Conditions: Partly Cloudy/scatt clds |
Slit: 255 | Temp.: -93.5oC | Focus: 5.81 |
Exp # |
(UT) |
(s) |
Start |
|
|
|
Mag |
(/pix) |
Comments |
---|---|---|---|---|---|---|---|---|---|
1-5 |
23:50 |
0 |
zenith |
E |
bias |
73 |
Note: Large LN2 tank changed |
||
6-10 | 00:00 |
1 |
zenith |
E |
flat |
3716 |
|||
11 |
0:19 |
300 |
zenith |
E |
Th-Ar |
109 |
|||
12 |
aprox. 0:30 |
300 |
-01:10 |
E |
alpha Cyg |
A2 Ia |
1.25 |
Through very
thick clouds; No valid data |
|
Clouded up, closing down |
|||||||||
13 |
5:36 |
0 |
|
E |
Bias |
|
|
75 |
Don't reduce #11,12 |
14 |
5:51 |
300 |
E |
Th-Ar |
112 |
RH 87% |
|||
15 |
5:59 |
300 |
+0:04 |
E |
alpha Cas |
K0IIIa |
2.2 |
370 |
#16 6:07 Th-Ar |
17 |
6:18 |
3600 |
+1:04 |
E |
LQ And |
B4Vne |
6.5 |
127 |
#18 7:20 Th-Ar |
19 |
7:33 |
1800 |
+0:35 |
E |
phi Per |
B2Vpe |
4.1 |
386 |
#20 8:06 Th-Ar |
21-25 |
8:14 |
0 |
|
E |
Bias |
|
78 |
RH 95%; close |
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26-30 |
8:27 |
1 |
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E |
Flat |
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3879 |
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