CCD Observing Log of Ritter Observatory
Page of
Echelle settings: UT Date:  2004- Nov 08
Observer:  NDR
LDS Settings:
X-Disp Tilt: 235.0 Wavelength: H alpha Exposure:  20041108.* Temp.: 22.2 C
RH (%): 54
Grating: 6 Wavelength: H alpha Tilt: 3o
Echelle Tilt: 20.55 Slit: 275 Sky Conditions:  some cirrus
Slit: 200 microns approx. Focus: 6.25



Exp #
Start Time
(UT)
Dur
(s)
HA
Start
E/L
Object
Sp. Type
V
Mag
ADU's
(/pix)
Comments
01-05
23:03  Bias  71   
06-08  23:15  Flat  3975  Exposures 9 & 10 over 5500 ADU- redo 
09-10
23:29
Flat 
3310   
11  23:50  300  Th-Ar  103  stadium lights on 
12  23:59  300  +0:54  alpha Cyg  A2Iae  1.25  162  #13 0:07 Th-Ar (103)
 seeing is not good- redo with longer exposure
  14 0:15
600  +1:10  alpha Cyg  A2Iae  1.25  263
wind is picking up (Estimate: ~30 mph) => closing
15  0:32  300  Th-Ar  104
 
  16-20  0:39 Bias  71
 
21-25   0:54 2
Flat  4074