Re: Dec-Arc Tracking in APCC Pro v1.9 - an explainer please?
Thanks Ray.
So, there needs to be a APPM data acquisition and then APCC applies the data as is usual for a tracking rate model. The Dec-Arc Tracking is another layer of precision on top of the APCC tracking model that I have been using... right?
In the example that I have provided above, are the APPM settings - 3 degree declination spacing and 9 degree RA spacing - good enough for a good Dec-Arc Tracking result for a target at +60 degrees declination? ... or should I tighten up the spacing up a little?
I suspect I am going to hear "it depends". :-) Perhaps longer focal lengths will require closer spacing. The spacing I am using now works great for unguided images of up to 240 sec. at 380mm and 540mm.
--
Dean Jacobsen
Astrobin Image Gallery - https://www.astrobin.com/users/deanjacobsen/
So, there needs to be a APPM data acquisition and then APCC applies the data as is usual for a tracking rate model. The Dec-Arc Tracking is another layer of precision on top of the APCC tracking model that I have been using... right?
In the example that I have provided above, are the APPM settings - 3 degree declination spacing and 9 degree RA spacing - good enough for a good Dec-Arc Tracking result for a target at +60 degrees declination? ... or should I tighten up the spacing up a little?
I suspect I am going to hear "it depends". :-) Perhaps longer focal lengths will require closer spacing. The spacing I am using now works great for unguided images of up to 240 sec. at 380mm and 540mm.
--
Dean Jacobsen
Astrobin Image Gallery - https://www.astrobin.com/users/deanjacobsen/