| CCD Observing Log of Ritter Observatory | |
Page 1 | of 1 |
| Echelle settings | UT Date: 18 Dec 2004 | Observer: NDM | LDS Settings | ||||
|---|---|---|---|---|---|---|---|
| X-Disp Tilt 235.0 | Wavelength H alpha | Exposure: 20041218.* | Temp.: 9 C | RH (%): 75 | Grating 6 | Wavelength H alpha | Tilt 3o |
| Echelle Tilt 20.55 | Slit 275 | Sky Conditions: Scatt clds/clear/ci/clds | Det. Temp. -95C | Slit ~200 microns | Focus 6.25 | ||
| Exp # |
(UT) |
(s) |
Start |
|
|
|
Mag |
(/pix) |
Comments |
|---|---|---|---|---|---|---|---|---|---|
| 01-05 |
0:18 |
0 |
|
E |
Bias |
|
|
71 |
Just clearing up |
| b0a |
0:20 |
0 |
|
L |
Bias (5X) |
|
|
133 |
|
| 06-10 |
0:42 |
4 |
|
E |
Flat |
|
|
4035 |
|
| f4a |
0:42 |
4 |
|
L |
Flat (5X) |
|
|
2095 |
|
| 11 |
1:12 |
300 |
|
E |
Th-Ar |
|
|
85 |
|
| 12 |
1:21 |
300 |
+0:55 |
E |
alpha Cas |
K0IIIa |
2.2 |
147 |
#13 01:28 Th-Ar, #14 2:28 Th-Ar |
| 15 |
2:36 |
1200 |
+1:54 |
E |
gamma Cas |
B0IVe |
2.5 |
332 |
Broke for school group; showed M31 #16 2:59 Th-Ar |
| 17-21 |
3:32 |
0 |
|
E |
Bias |
|
|
72 |
Clouds! Close |
| 22-26 |
3:44 |
4 |
|
E |
Flat |
|
|
3541 |
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