CCD Observing Log of Ritter Observatory | |
Page 1 | of 1 |
Echelle settings | UT Date: 31Mar2005 |
Observer: DWK, NDM |
LDS Settings | ||||
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X-Disp Tilt 235.0 | Wavelength H alpha | Exposure: |
Temp.: 27 C |
RH (%): 47 |
Grating 6 | Wavelength H alpha |
Tilt 3 |
Echelle Tilt 20.55 | Slit 275 | Sky
Conditions: Clear |
Det. Temp. -95C | Slit ~200 microns | Focus 6.25 |
Exp # |
(UT) |
(s) |
Start |
|
|
|
Mag |
(/pix) |
Comments |
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01-05 |
0:00 |
0 |
zenith |
E |
Bias |
|
|
77 |
|
06 |
0:28 |
5 |
|
E |
Flat |
|
|
4755 |
|
07-10 |
0:40 |
4 |
|
E |
Flat |
|
|
4884 |
(5195 max) |
11 |
0:58 |
300 |
|
E |
Th-Ar |
|
|
99 |
|
12 |
1:08 |
600 |
2:32 |
E |
epsilon Ori |
B0 Ia |
1.70 |
220 |
#13 1:21 Th-Ar |
14 |
1:39 |
600 |
2:59 |
E |
zeta Ori |
O9.5 Ib |
2.05 |
139 |
#15 1:52 Th-Ar seeing is
deteriorating |
16 |
2:22 |
1800 |
3:34 |
E |
zeta Tau |
B4 IIIp |
3.03 |
178 |
#17 2:44 Th-Ar |
18 |
3:04 |
300 |
2:19 |
E |
beta Gem |
K0 IIIb |
1.14 |
158 |
#19 3:13 Th-Ar
some small clouds |
20 |
3:31 |
1200 |
0:24 |
E |
alpha Leo |
B7 Vn |
1.35 |
246 |
#21 3:54 Th-Ar weather
moving in - closing |
22-26 |
4:03 |
0 |
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E |
Bias |
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78 |
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27-31 |
4:18 |
4 |
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E |
Flat |
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3526 |
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