| CCD Observing Log of Ritter Observatory | |
Page 1 | of 1 |
| Echelle settings | UT Date: 2005-Apr-11 |
Observer: NDR |
LDS Settings | ||||
|---|---|---|---|---|---|---|---|
| X-Disp Tilt 235.0 | Wavelength H alpha | Exposure: 20050411.* |
Temp.: 20 C |
RH (%): 58 |
Grating 6 | Wavelength H alpha |
Tilt 3 |
| Echelle Tilt 20.55 | Slit 275 | Sky
Conditions: cirrus clds |
Slit 240 |
Det. Temp. -95C | Focus 6.27 | ||
| Exp # |
(UT) |
(s) |
Start |
|
|
|
Mag |
(/pix) |
Comments |
|---|---|---|---|---|---|---|---|---|---|
| 01-05 |
0:16 |
0 |
|
E |
Bias |
|
|
75 |
may be a sucker hole |
| 06-10 |
0:28 |
4 |
|
E |
Flat |
|
|
4224 |
|
| 11 |
0:51 |
300 |
|
E |
ThAr |
|
|
102 |
|
| 12 |
1:02 |
900 |
+3:09 |
E |
epsilon Ori |
B0Ia |
1.70 |
239 |
seeing is horrible! #13 1:20 ThAr |
| 14 |
1:33 |
1200 |
+1:49 |
E |
beta CMi |
B8Ve |
2.90 |
149 |
starting to clear? #15 1:57
ThAr |
| 16 |
2:10 |
600 |
+2:08 |
E |
beta Gem |
K0IIIb |
1.14 |
163 |
rv std #17 2:19 ThAr |
| 18-22 |
2:30 |
0 |
|
E |
Bias |
|
|
76 |
clouds coming in, closing |
| 23 |
2:42 |
4 |
|
E |
Flat |
|
|
4972 |
counts a little high, shortening exposure for
remaining flats |
| 24-27 |
2:46 | 3 | |
E |
Flat |
|
|
3713 |
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