Composite of 4 images taken 9/4/2002 starting 17:30 EDT
Polar perm mounted LX200 10inch F10 classic
Power on, GOTO Arcturus, sync on Arcturus and take image
GOTO Venus and image, goto Mercury and image, goto Vega and image.
The 4 images were then stacked without registration.
Processing done to decrease background (these were daylight images).




Comparison of the accuracy of Venus (Mercury will come later) as computed by

Skymap Pro 7 - baseline
LX200 Classic and Autostar 494 V10E
Dick Seymour data on Venus using:
Autostar II 1.3t and Autostar 497 26eB

TheSky baseline -
Mike Fowler data on Venus using Autostar II


Please note this data has been reasonably checked but there can
and may be errors in the data or the Excel spreadsheet used to create
the graphs and compute the error differences.
Please notify me at lynol1000 AT yahoo DOT com if you find errors

Details:
Gene and Dick set Site = Royal Observatory Greenwich
Lat=51 29 Long = 0 0 0 (in Autostar, actual = 51 28 38 lat)
Time offset = 0 :)
Time = 01 01 00 AM for every day of the data
(Yes, I did set it to that for each and every date change!)
Dates were as shown in the data (4/1/2002, 4/15.2002, 5/1/2002,,,)





Autostar II data supplied by Dick Seymour for Venus graph below



Autostar II data supplied by Mike Fowler for Venus graph below
Site was consistent between TheSky and lx200GPS



Autostar 497 data supplied by Dick Seymour for Venus graph below




Excel spreadsheet of data used for graphs

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