| CCD Observing Log of Ritter Observatory | |
Page 1 | of 1 |
| Echelle settings | UT Date: 2007 Feb 8 |
Observer: GBT,NDM/NDM |
LDS Settings | ||||
|---|---|---|---|---|---|---|---|
| X-Disp Tilt: 235.0 | λc: Hα | Exposure: 20070209.* |
Temp. (°C): -3 | RH (%): 78 |
Grating: 6 | λc: Hα | Tilt: 4o |
| Echelle Tilt: 21.95 | Slit: 275 | Sky
Conditions: clear; wind from W at ~10mph, gusts ~15mph |
Slit: 255 | Temp.: -93.5oC | Focus: 5.81 | ||
| Exp # |
(UT) |
(s) |
Start |
|
|
|
Mag |
(/pix) |
Comments |
|---|---|---|---|---|---|---|---|---|---|
| 1-5 |
23:45 |
0 |
E |
Bias |
75 |
temp. -6.8 C on ST-9 | |||
| 6-10 |
00:21 |
2 |
E |
Flat |
3824 |
low signal (1500) at 6s; increased aperture hole for lamp | |||
| 11 |
00:34 |
300 |
E |
Th-Ar |
102 |
||||
| 12 |
00:57 |
600 |
+2:29 |
E |
alpha Ari |
K2 IIIab |
2.0 |
216 |
RV std.; #13 1:10 Th-Ar |
| 14 |
01:27 |
2700 |
+1:36 |
E |
HR 1040 |
A0 Iab |
4.6 |
141 |
#15 2:16 Th-Ar |
| 201 |
02:47 |
0 |
L | Bias (x5) |
|||||
| 202 |
02:52 |
5 |
L |
Flat (x5) |
|||||
| 203 |
03:02 |
1 |
L |
Ne |
|||||
| 204 |
03:08 |
2700 |
-0:46 |
L |
YY Gem |
M0.5 V |
9.1 |
few |
community access target; #205 3:59 Ne |
| 206 |
04:01 |
2700 |
+0:07 |
L |
" |
" |
" |
few |
#207 4:48 Ne |
| 208 |
5:18 |
300 |
-0:46 |
L |
epsilon Leo |
G1II |
3.0 |
746 |
Seeing is truly awful - even worse than last
night. |
| 209 |
5:24 |
1 |
|
L |
Ne |
|
|
|
Dec. pointing has gone again; close after this
star. |
| 16 |
5:32 |
300 |
|
E |
Th-Ar |
|
|
101 |
-11 C per the ST-9 seems to be the magic number. |
| 17 |
5:40 |
900 |
-0:25 |
E |
epsilon Leo |
G1 II |
3.0 |
107 |
Yuck ... #18 5:58 Th-Ar |
| 19-23 |
6:06 |
0 |
|
E |
Bias |
|
|
77 |
|
| 24-28 |
6:24 |
6 |
|
E |
Flat |
|
|
4966 |
Lamp too bright now; went back to smaller hole |
| 210 |
6:21 |
2 |
|
L |
Flat 5x |
|
|
4168 |
|
| 211 |
6:41 |
2700 |
|
L |
Dark 10x |
|
|
233 |
|
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