CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  3 Mar 2005
Observer:  NDM
LDS Settings
X-Disp Tilt 235.0 Wavelength H alpha Exposure:  20050303.*
Temp.:  0C RH (%):  80 Grating 6 Wavelength 5500 A Tilt 359
Echelle Tilt 20.55 Slit 275 Sky Conditions:  Cirrus, haze
Det. Temp. -95C Slit ~200 microns Focus 6.45


Exp #
Start Time
(UT)
Dur
(s)
HA
Start
E/L
Object
Sp. Type
V
Mag
ADU's
(/pix)
Comments
01-05
3:57
0

E
Bias


72

06
4:00
0

L
Bias (5X)


132

07-11
4:15
4

E
Flat


3906

12
4:16
30

L
Flat(5X)


3913

13
4:31
300

E
Th-Ar


86

14 4:41
300
+2:06
E
beta Gem
K0IIIb
1.1
160
Guiding was poor #15 4:49 Th-Ar
15
5:03
180

L
Fe-Ar


181

16
5:11
1200
+3:19
L
19 Mon
B1V
5.0
421
Telluric std LDS   #17 5:32 Fe-Ar
18
5:50
300

E
Th-Ar


87

19
5:58
3600
+1:02
E
eta Leo
A0Ib
3.5
163

20
6:02
1200
+1:06
L
Sky@eta Leo


221
#21 7:01 Th-Ar
22-26
7:21
0

E
Bias


74
Transparency & seeing too poor given lack of bright targets.
27-31
7:34
4

E
Flat


4096
Close.