| CCD Observing Log of Ritter Observatory | |
Page 1 | of 1 |
| Echelle settings | UT Date: 10 Apr 2005 |
Observer: NDM |
LDS Settings | ||||
|---|---|---|---|---|---|---|---|
| X-Disp Tilt 235.0 | Wavelength H alpha | Exposure: 20050410.* |
Temp.: 18C | RH (%): 62 | Grating 6 | Wavelength 5500 A | Tilt 359.5 |
| Echelle Tilt 20.55 | Slit 275 | Sky Conditions: Cirrus |
Det. Temp. -95C | Slit ~200 microns | Focus 6.45 | ||
| Exp # |
(UT) |
(s) |
Start |
|
|
|
Mag |
(/pix) |
Comments |
|---|---|---|---|---|---|---|---|---|---|
| 01-05 |
1:36 |
0 |
|
E |
Bias |
|
|
74 |
Cleared up, but this is a relative term. |
| 06 |
1:40 |
0 |
|
L |
Bias (5X) |
|
|
128 |
|
| 07-11 |
1:51 |
4 |
|
E |
Flat |
|
|
4474 |
|
| 12 |
1:52 |
10 |
|
L |
Flat (5X) |
|
|
3281 |
Temp locked during exposure, then started
drifting again. |
| 13 |
2:07 |
300 |
|
E |
Th-Ar |
|
|
102 |
|
| 14 |
2:16 |
300 |
+2:10 |
E |
beta Gem |
K0IIIb |
1.1 |
191 |
#15 2:23 Th-Ar |
| 16 |
2:41 |
3600 |
-2:12 |
E |
kappa Dra |
B6IIIpe |
3.9 |
187 |
Cirrus thinner but seeing
not very good.Getting this star done in case it clouds up again. |
| 17 |
3:44 |
300 |
|
E |
Th-Ar |
|
|
105 |
|
| 18 |
3:57 |
3600 |
-0:38 |
E |
delta UMa |
A3V var |
3.0 |
209 |
#19 5:00 Th-Ar |
| 20 |
5:19 |
180 |
|
L |
Fe-Ar |
|
|
233 |
|
| 21 |
5:25 |
180 |
+1:14 |
L |
beta Vir |
F9V |
3.6 |
388 |
#22 5:30 Fe-Ar Clds returning, do longer
exposure; adj focus |
| 23 |
5:35 |
360 |
+1:25 |
L |
" |
" |
" |
961 |
Temp is now locked. #24 5:43 Fe-Ar |
| 25 |
6:08 |
180 | -2:48 |
L |
zeta Oph |
O9.5Vn |
2.6 |
975 |
Telluric std. #26 6:13 Fe-Ar #27 6:35 Th-Ar |
| 28 |
6:46 |
1800 |
-2:25 |
E |
zeta Oph |
" |
" |
238 |
#29 7:19 Th-Ar |
| 30 |
7:33 |
1800 |
-0:46 |
E |
delta Sco |
B0.3IVe |
1.6 |
602 |
#31 6:02 Th-Ar ... Seems to be clear again ... #32 8:26 Fe-Ar |
| 33 |
8:33 |
600 |
-3:37 |
L |
omicron Aql |
F8V |
5.1 |
557 |
#34 8:44 Fe-Ar |
| 35 |
9:05 |
1800 |
-3:34 |
L |
WR 140 |
WC 6 |
6.9 |
431 |
#36 9:37 Fe-Ar |
| 37 |
9:42 |
1800 |
-2:57 |
L |
WR 140 |
" |
" |
458 |
#38 10:13 Fe-Ar |
| 39-43 |
10:23 |
4 |
|
E |
Flat |
|
|
3858 |
#46-50 10:36 Bias |
| 44 | 10:25 | 10 | L | Flat (5X) | 3993 |
#45 10:35 Bias (5X) #51 Dark 1800s (12X) |