CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  2005 Feb 05
Observer:  GBT, NDM
LDS Settings
X-Disp Tilt 235.0 Wavelength H alpha Exposure:  20050205.*
Temp.:   RH (%):  91 Grating 6 Wavelength 5500 A Tilt 359
Echelle Tilt 20.55 Slit 275 Sky Conditions:  Clear with 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
1-5
23:35
0

E
bias


75

6-10
00:00
4

E
flat


4033

11
00:26
300

E
Th-Ar


87

12
00:36
600
+01:57
E
alpha Ari
K2 IIIab
2.0
216

13
00:53
300

E
Th-Ar


88

14-18
01:08
0

E
bias


76

19-23
01:24
4

E
flat


3631
RH 95%; closing