CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  2006 Feb 15
 Observer:  KSB/JH
 LDS Settings
X-Disp Tilt: 235.0 λc: Hα Exposure:  20060215.*
 Temp. (°C):  10 C
 RH (%):  79%
 Grating: 6 λc: Hα Tilt: 3o
Echelle Tilt: 21.95 Slit: 275 Sky Conditions:  "clear", but cirrus, haze, scuzzy
 Slit: 255 Det. Temp.: -95oC Focus: 5.70


Exp #
Start Time
(UT)
Dur
(s)
HA
Start
E/L
Object
Sp. Type
V
Mag
ADU's
(/pix)
 Comments
1-5
 0:09
 0
 zenith
 E
 bias

72
6-10
 0:21
 2
 "
 E
 flat

4470
11
 0:34
 300
 "
 E
 Th-Ar

124
12
 1:06
 300
 -0:03
 E
 beta Ori
 B8 Ia
 0.12
 683
 #13    Th-Ar    1:20
14
 1:33
 3600
 +1:10
 E
 DU Eri
B2 V:ne
 5.6
 121
 #15    Th-Ar     2:36
16
 2:55
 3600
 +1:54
 E
 105 Tau
B2 Ve
 5.92
 78
 #17    Th-Ar     3:59
18
 4:14
 1200
 +2:42
 E
 zeta Tau
B2 IVe
 3.0
 174
 #19    Th-Ar     4:36
20
 4:52
 300
 +1:13
 E
 beta Gem
K0 IIIb
 1.14
 367
 #21    Th-Ar     5:00                             RV std
22-26
 5:08
 0
 rtn to zenith
 E
 bias

75
 some clouds, no 2nd shift observer, closing
27-29
 5:20
 2
 zenith
 E
 flat

5916
 flats a bit high - abort on third one after 1 sec
30-34
 5:28
 1
 zenith
 E
 flat

3175
 try again - lower counts