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Horizons with SGP?

Shailesh Trivedi
 

How can I use Horizons with SGPro for imaging? 

Shailesh
Brian Valente
 

HI Shailesh

Here's one way to do it:

A good place to start is by first knowing what Horizons does for you. (apologies in advance if you already know this part)

This video (at this starting point) explains how to use Horizons to find and load comet data, and to slew/start tracking the comet

Once you have Horizons running and you have slewed to the comet and started tracking, you can set up a target in SGP without slewing to coordinates, 
image.png

You can then just set some exposure times and sequences and start imaging

Brian


On Mon, Jan 23, 2023 at 10:37 AM Shailesh Trivedi <shailesh.trivedi@...> wrote:
How can I use Horizons with SGPro for imaging? 

Shailesh



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Shailesh Trivedi
 

Thanks, Brian. The SGP part is where I was confused, so don't center target or auto guide, just set the start time which is the same as Horizons start tracking time or perhaps a 2-minute offset delay

Shailesh
Brian Valente
 

>>>The SGP part is where I was confused, so don't center target or auto guide, just set the start time which is the same as Horizons start tracking time or perhaps a 2-minute offset delay

correct - use Horizons to slew to the comet and it will track at comet rate. it's probably a good idea to offset SGP start time by a few minutes

iirc you have an encoder mount, correct? so you probably won't need to guide 


On Mon, Jan 23, 2023 at 11:58 AM Shailesh Trivedi <shailesh.trivedi@...> wrote:
Thanks, Brian. The SGP part is where I was confused, so don't center target or auto guide, just set the start time which is the same as Horizons start tracking time or perhaps a 2-minute offset delay

Shailesh



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Frank Widmann
 

Also select no guiding and deselect dithering in SGP.

Frank

On Jan 23, 2023, at 12:00 PM, Brian Valente <bvalente@...> wrote:


>>>The SGP part is where I was confused, so don't center target or auto guide, just set the start time which is the same as Horizons start tracking time or perhaps a 2-minute offset delay

correct - use Horizons to slew to the comet and it will track at comet rate. it's probably a good idea to offset SGP start time by a few minutes

iirc you have an encoder mount, correct? so you probably won't need to guide 


On Mon, Jan 23, 2023 at 11:58 AM Shailesh Trivedi <shailesh.trivedi@...> wrote:
Thanks, Brian. The SGP part is where I was confused, so don't center target or auto guide, just set the start time which is the same as Horizons start tracking time or perhaps a 2-minute offset delay

Shailesh



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Shailesh Trivedi
 

Thanks Frank, will do.

@Brian, yes I have encoders so no need to guide, but I need the comet to clear my house which happens 5 am tomorrow. 

Shailesh
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