9 Oct 2015

Clear sky 

Using interference filterwheel  1 SII 2 Ha 3 RedCont 4 OIII 5 UVBlock(Clear)
Camera temp -10C


=========================================================
M17   Omega Nebula or Swan

      2     10s UVblock(5)
      3    100s    "
      4    100s SII (1)
      5    100s Ha  (2)
      6    100s OIII(4)
      
=========================================================
M20     Alt  30deg Triffid Nebula

      7    10s  UVblock(5)
      8   100s    "
      9    "    SII  (1)
     10    "    Ha   (2)
     11   100s  OIII (4)

=========================================================
NGC 7293

     12    10s  UVBlock(5)       Dome out by 60deg!  
     13   100s     "                   "           Tracking problem (double)
     14          "                     "                 "
     15          "              Tracking good
     16   300s   "              Significant trailing
     17   100s   "              Bit trailed
     18        "                   "        Done 10 deg off
     19        "                    "
     20   100s  OIII (4)
     21   100s  Ha   (2)
     22   100s  SII  (1)
  
22:01  13.6C DP11.8C RH 89% 1029.1hPa 11km/hr Av?  Sky -27.4C  

==========================================================
KS30C00385    I=23:12 M=00:14  E=01:16    03:44:45.42 -38:49:04.9  Mv=7.58
(HIP 17483)   48  60 71 deg,  Period=1.28d Duration=2:05 Depth=7.9mMag
Changed filter back to griz  
     
     23  100s  z'
     24  100s  r'
     25  100s  z'       defocussed  (still a bit high)
     26   50s  z'       ~25k
     27                 started multi
     
     37                 Cloud to south   Counts down to 7k6
     99                 Noticed saturation in the bright part of the defocussed
                        image.
     Defocussed further to 12130 from 11130 (focus was 10130)
     Moved target by roughly 80 pixels  (30 arc secs)  
     This change is about 0.087 on the aij plot.
00:39  12.7C DP9.9C RH83% 1028.1hPa 2km/hr Av2km/hr Sky -28.7C
     203                Counts dropped
     
=====================================================================
Targets in Rosette nebula
Focussed again at 10130     

ETNW  6:31:32  +5:11:54
      214  100s g'
      215  100s r'
      216  100s i'
      
      217   10s g'
      218   10s r'
      219   10s i'
            

ETW   6:30:50 +5:02:51   Alt 44deg
      220  100s g'        Clouded!
      221                    "
      222  100s r'        Cleared up       
      223  100s g'        Cannot see nebula (No cloud)
      224  100s i'

      225   10s g'
      226   10s i'        (Mucked up filter sequence)
      227   10s r'
      

CL    6:31:55  +4:56:30  Alt 47deg
      228  100s g'
      229  100s r'
      230  100s i'
      
      231   10s g'
      232   10s r'
      233   10s i'
      
ETW   234  100s r'     Multiple  Alt 50deg    
      
      242              Finished
03:50 12.4C DP9.0C RH80% 1026.8hPa 2km/hr Av5km/hr Sky-20.0C (has been -28C) 

========================================================================
Darks
      243-247  bias
      248-252  50s dark
      253-257 100s dark
===================================================================