| CCD Observing Log of Ritter Observatory | |
Page 1 | of |
| Echelle settings | UT Date: Jan 15 2005 | Observer: NDM MJS | LDS Settings | ||||
|---|---|---|---|---|---|---|---|
| X-Disp Tilt 235.0 | Wavelength H alpha | Exposure: 20050115.* | Temp.: 9 C | RH (%): 65 | Grating 6 | Wavelength 5500A | Tilt 359 |
| Echelle Tilt 20.55 | Slit 275 | Sky Conditions: clear | Det. Temp. -95C | Slit ~200 microns | Focus 6.45 | ||
| Exp # |
(UT) |
(s) |
Start |
|
|
|
Mag |
(/pix) |
Comments |
|---|---|---|---|---|---|---|---|---|---|
| 1-5 |
23:19 |
0 |
|
E |
Bias |
|
|
71 |
warm chip at start, did LN2 fill |
| 6-10 |
23:55 |
4 |
|
E |
Flat |
|
|
5069 |
took a while to open telescope |
| 11 |
0:31 |
300 |
|
E |
Th-Ar |
|
|
90 |
|
| 12 |
0:40 |
900 |
+2:05 |
E |
Alpha Cas |
K0 IIIa |
2.2 |
309 |
|
| 13 |
1:01 |
300 |
|
E |
Th-Ar |
|
|
90 |
Break for public observing |
| 14 |
2:21 |
300 |
|
E |
Th-Ar |
|
|
89 |
|
| 15 |
2:33 |
1200 |
+3:41 |
E |
Gamma Cas |
B0 IVe |
2.5 |
274 |
|
| 16 |
2:56 |
300 |
|
E |
Th-Ar |
|
|
|
Seeing is not great, focus uncertain |
| 17 |
3:20 |
1800 |
-0:13 |
E |
Zeta Tau |
B4 IIIp |
3.0 |
|
End community access 3:00 UT (visitors Slater,
Meadors) |
| 18 |
3:52 | 300 |
|
E |
Th-Ar |
|
|
90 |
|
| 19 |
4:06 |
900 |
+0:35 |
E |
epsilon Ori |
B0Ia |
1.7 |
106 |
Clds
|
| 20 |
4:24 |
300 |
|
E |
Th-Ar |
|
|
91 |
Satellite prognosis does not look good. Close. |
| 21 |
4:40 |
4 |
|
E |
Flat |
|
|
4760 |
Later frames in series too heavy, do over |
| 22-25 |
4:57 |
3 |
|
E |
Flat |
|
|
4780 |
|
| 26-30 |
5:08 |
0 |
|
E |
Bias |
|
|
74 |
|
| b0 |
5:09? |
0 |
|
L |
Bias (5X) |
|
|
|
|
| d3600 |
5:10 |
3600 |
|
L |
Dark (12X) |
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