View Single Post
  #28  
Old 14-10-2006, 12:20 AM
rogerg's Avatar
rogerg (Roger)
Registered User

rogerg is offline
 
Join Date: Feb 2006
Location: Perth, Western Australia
Posts: 4,563
As much as getting a polar alignment I'm now trying to understand what the Gemini is telling me.

I am out here for the first night since all this info was posted in this thread and I've done an alignment via a particular method. After that my pointing accuracy was close in DEC but far off in RA. I then did several additional alignments to build a pointing model and have these numbers shown when doing "Show Information" which don't match the acrynms in the manual:

dH: 22'
dD: -17'
A: -119'
E: 210'
NE: 47'
NP: 17'
IH: -120'
ID: -231'

Meanings:
dH=?
dD=?
A=Azimuth misalignment
E=Elevation misalignment
NE=non-perpendicularity at the equator
NP=non-perpendicularity at the pole
IH=Hour Angle index error
ID=Declination index error

I see no values for CF, FR, FD mentioned in the manual, presumably 2 of them are dH and dD.

Can anyone explain these numbers in simple terms to help me understand from these numbers how my alignment is off, or, if I'm seeing huge numbers because of an L4 bug?

I'm about to commence a drift alignment to see how that changes things.

Thankyou for all the help provided, I'm learning lots from this.

Roger.
Reply With Quote