[APBeta] Double stars

[David Crum]

Yes Paul, that is exactly what I was seeing.

So which catalog should I (or not be) using??

Also, any luck on the other  AP template files??

Dave

On Sun, Dec 14, 2008 at 5:29 PM, Paul Rodman <paul at ilanga.com> wrote:
>
> On Nov 27, 2008, at 04:02 AM, David Crum wrote:
>
>> Working with version 2.0b5 and Double stars, I am seeing "double".
>>
>> I start up a new session, select Search Catalogs, I choose the AL
>> Double star one.  I then hit the "ok" button (selecting all
>> constellations).  I then add all the objects found to the plan.  Once
>> they are in the plan I sort it to the way I want it.
>>
>> I go to Beta Cygni (Alberio).  When I go to Field of View, things get
>> a bit fuzzy.  There are now 4 stars in the field.  Alberio and ALDS85
>> AND another copy of Alberio and ALDS85.
>>
>> This happens on every double star I tried it on in the AL Double star
>> catalog.
>>
>> I also tested this out on the Neglected Doubles I catalog, same result.
>>
>> Do I have more then one catalog selected??
>
> Is what is shown below what you are seeing?
>
>
>
>
>
> This occurs because the coordinates in the AL Double Star catalogue are not
> particularly accurate (RA and Dec only to the nearest arcmin or worse),
> whereas the stars in the Bright Star catalogue (which is selected here) are
> more accurate. The difference you're seeing is the difference between those
> two catalogues.
>
> Paul R.
>
>
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