CCD Observing Log of Ritter Observatory | |
Page 1 | of 1 |
Echelle settings | UT Date: 3 Jul 2005 |
Observer: NDM |
LDS Settings | ||||
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X-Disp Tilt 235.0 | Wavelength H alpha | Exposure: 20050703.* |
Temp.: 27C | RH (%): 65 | Grating 6 | Wavelength H alpha |
Tilt 3 |
Echelle Tilt 21.95 | Slit 275 | Sky
Conditions: Cirrus |
Slit 240 |
Det. Temp. -95C | Focus 6.28 |
Exp # |
(UT) |
(s) |
Start |
|
|
|
Mag |
(/pix) |
Comments |
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01-05 |
1:51 |
0 |
|
E |
Bias |
|
|
79 |
|
06 |
1:54 |
0 |
|
L |
Bias 5X |
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|
124 |
|
07-11 |
2:05 |
5 |
|
E |
Flat |
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|
3954 |
|
12 |
2:06 |
6 |
|
L |
Flat |
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|
2099 |
|
13 |
2:21 |
300 |
|
E |
Th-Ar |
|
|
93 |
Seeing much better than last night; diffraction spikes clear |
14 |
2:29 |
3600 |
+3:06 |
E |
kappa Dra |
B6IIIpe |
3.9 |
202 |
#15 3:33 Th-Ar |
16 |
3:53 |
1800 |
+1:04 |
E |
delta Sco |
B0.3IVe |
1.6 |
198 |
#17 4:26 Th-Ar |
18 |
4:43 |
3600 |
+1:28 |
E |
chi Oph |
B1.5Ve |
4.4 |
213 |
#19 5:47 Th-Ar |
20 |
5:59 |
600 |
+1:28 |
E |
beta Oph |
K2III |
2.8 |
137 |
#21 6:12 Th-Ar |
22 |
6:26 |
900 |
-1:03 |
E |
alpha Cyg |
A2Ia |
1.3 |
359 |
Lotsa cirrus ... RH 85% ... #23 6:44 Th-Ar |
24-28 |
7:07 |
0 |
|
E |
Bias |
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|
82 |
Clds are thicker. Close. |
29 |
7:20 |
6 |
|
E |
Flat |
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|
4317 |
Deleting LDS files; no stellar data taken. |
30-33 |
7:23 |
5 |
|
E |
Flat |
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|
3594 |
Erring on side of caution re flat exposure |
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