On 17/09/2018 05:26, Mike Horvath wrote:
> On 9/17/2018 12:17 AM, Stephen wrote:
>> On 17/09/2018 04:23, Mike Horvath wrote:
>>> Here's a gray version. Which do you guys prefer?
>>>
>>>
>> The orbit trace is more visible as is the planets' shadow. With the 
>> grey background.
>> What is the relevance of what looks like a shadow of the orbits at 9 
>> o'clock?
>>
>>
> 
> I don't see anything remarkable at 9 o'clock. What do you mean?
> 
> 
> Mike

Looking at a single frame I'm guessing it is a shadow of the orbit on 
the plane of the ecliptic.

-- 

Regards
     Stephen

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