CCD Observing Log of Ritter Observatory | |
Page 1 | of 1 |
Echelle settings | UT Date: 16 Jan 2005 |
Observer: NDM | LDS Settings | ||||
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X-Disp Tilt 235.0 | Wavelength H alpha | Exposure: 20050116.* | Temp.: 5C | RH (%): 67 | Grating 6 | Wavelength 5500 A | Tilt 359 |
Echelle Tilt 20.55 | Slit 275 | Sky Conditions: Cirrus/cloudy | Det. Temp. -95C | Slit ~200 microns | Focus 6.45 |
Exp # |
(UT) |
(s) |
Start |
|
|
|
Mag |
(/pix) |
Comments |
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01-05 |
22:43 |
0 |
E |
Bias |
|
|
72 |
CCD1 temp problem was corrected last night. |
|
06-10 |
22:55 |
4 |
|
E |
Flat |
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|
4873 |
Timed LN2 feed 23:00 |
11 |
23:23 |
300 |
|
E |
Th-Ar |
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|
Seeing better than last night |
12 |
23:35 |
300 |
+1:03 |
E |
alpha Cas |
K0IIIa |
2.2 |
130 |
#13 23:43 Th-Ar |
14 |
00:00 |
1800 |
+1:12 |
E |
gamma Cas |
B0IVe |
2.5 |
|
Clds thicker, need bright target |
sk1200 |
00:06 | 1200 |
+1:18 |
L |
sky @ " |
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|
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Sky spectrum with
clouds #15 0:33
Th-Ar |
16 |
00:53 |
2400 |
-2:36 |
E |
zeta Tau |
B4IIIp |
3.0 |
129 |
|
sk2400 |
00:55 |
2400 |
-2:34 |
L |
sky @ " |
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|
254 |
No sky spectrum visible. |
17 |
01:36 |
300 |
|
E |
Th-Ar |
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|
89 |
This looks like a lost cause. Close - clds. |
18-22 |
01:48 |
0 |
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E |
Bias |
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73 |
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b0 |
01:52 |
0 |
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L |
Bias |
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134 |
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23-27 |
02:00 |
4 |
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E |
Flat |
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4402 |
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d2400 |
02:17 |
2400 |
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L |
Dark (12X) |
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To run over night. |
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