Search found 2 matches

by cat
Fri Oct 27, 2017 7:36 pm
Forum: Implemented Features
Topic: Polar Align with Atmospheric Refraction calc
Replies: 6
Views: 13643

Re: Polar Align with Atmospheric Refraction calc

Dear Robin, Thank you so much for reply and solution. Now using following tool, pre emptively checking refraction for observing sites i know have no connectivity. http://wise-obs.tau.ac.il/~eran/Wise/Util/Refraction.html It looks like mere half an arc minute play in most common T & P variations....
by cat
Thu Oct 26, 2017 5:15 am
Forum: Implemented Features
Topic: Polar Align with Atmospheric Refraction calc
Replies: 6
Views: 13643

Polar Align with Atmospheric Refraction calc

Hi Robin I'm planning to purchase a pro 3.x version esp for polar align feature. Have followed the online description demo of sharpcap PA and found it intuitive and easier than other methods. I live in Mumbai and places we go imaging are almost always 18-19deg latitude. That amounts to 2.7 arc minut...