VSP slow

Affiliation
Vereniging Voor Sterrenkunde, Werkgroep Veranderlijke Sterren (Belgium) (VVS)
Sun, 09/24/2023 - 06:40

Is something wrong with the VSP? Its' really slow when making charts and since yesterday evening I get this message:

 

AAVSO

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Affiliation
Vereniging Voor Sterrenkunde, Werkgroep Veranderlijke Sterren (Belgium) (VVS)
Still not working

The VSP is still not working. Can someone fix it?

Affiliation
American Association of Variable Star Observers (AAVSO)
It works for me, took about…

It works for me, took about 10s or so to generate a plot just now.  It is typically slower than this, more in the 20s range which I just assumed was normal (but it is a bit slow).

Keith

Affiliation
American Association of Variable Star Observers (AAVSO)
VSP running slow

HHU,

What are you trying to plot? You might be asking VSP to do something difficult!

Tell us the RA/Dec, FOV and magnitude depth that you are trying to plot.

George

 

 

Affiliation
Vereniging Voor Sterrenkunde, Werkgroep Veranderlijke Sterren (Belgium) (VVS)
Still the same:

 

AAVSO

Still the same:

 

AAVSO

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Affiliation
American Association of Variable Star Observers (AAVSO)
VSP slow on a big chart

A chart at B scale (180', mag 11) is going to be tough. That's a crowded field

All you can do is stop the FOV down to 60 and raise the magnitude limit.

George

Affiliation
Vereniging Voor Sterrenkunde, Werkgroep Veranderlijke Sterren (Belgium) (VVS)
Tough? You are kidding. I…

Tough? You are kidding. I made in the past hundreds of charts with no problems . There is a problem with the plotter.

Affiliation
American Association of Variable Star Observers (AAVSO)
Thanks for reporting this, temporary workaround...

Hi,

I'm not entirely surprised the new VSP is slower than the old for charts of this scale -- it is using a different star catalog, and retrieving it from Vizier as needed to construct charts.

I am surprised it is failing in this case; though this is a rich star field, most of the stars are fainter than 11th magnitude, so that shouldn't be an issue.

It will take a little while to track down the problem.

In the meantime, a workaround is to increase the size of the chart just a touch, e.g. to 181 arcmin. This will force the software to use a local copy of bright stars rather than retrieving stars from Vizier.

So, thanks for reporting this, and thanks, George, for your suggestions and for calling the issue to my attention.

Matt