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DSO FOV database

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#1 Marco 104

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Posted 25 August 2019 - 07:34 AM

Hi all, do you know if there are online databases where to select DSO targets based on the FOV of your imaging setup?

 

Thanks

Marco

 



#2 Dynan

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Posted 25 August 2019 - 08:11 AM

The website telescopius.com lets you sort by apparent size, while being able to choose the type of object you're interested in.



#3 sg6

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Posted 25 August 2019 - 08:28 AM

You can work it out, focal length, object size.

Cannot do it as a general item as different scopes produce different results.

 

You need to determine the maximum size object you can image then find sites that list objects with their size as a parameter. One problem you will find is there is a fair difference is given sizes. I have read 1 degree for M42 and 2 degrees for M42. It depends on how much of the whispy stuff you consider as "The object". Even M45 has a few different sizes.

 

Could do it all as a simple spreadsheet, just work out the formula and reverse it for your equipment. But as said your scope and your camera will give a different set of results to other people setup.

 

Another aspect of "size" is how much framing do you want/expect around any given object?



#4 David-LR

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Posted 25 August 2019 - 08:41 AM

Stellarium is quite handy for this as well and runs on your own computer. It allows you to create your own sensor dimensions and telescope parameters then have them display it around the objects in its database. As a planetarium program, it has other uses as well, such as showing you when objects are in your part of the sky and what time of the year that would be.

http://stellarium.org/
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#5 Akwilliams

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Posted 25 August 2019 - 02:22 PM

Could also try Cartes du Ceil.    Its a free planetarium application.   Very easy to put in your scope/camera details which then gives a rectangle which equates to your equipments FOV.   You can easily switch between camera/scope setups or just have them all projected onto the map.

 

Here is an example of my setup FOV in Cartes du Ceil.   Two different scopes both using a ZWOASI1600 mono camera

 

 

 

 

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#6 Marco 104

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Posted 25 August 2019 - 03:14 PM

Ok, thanks everybody, I'll follow your tips!

 

M



#7 Brass Hat

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Posted 26 August 2019 - 12:34 PM

Try astroaid. It’s just what you are looking for. 



#8 Marco 104

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Posted 26 August 2019 - 03:10 PM

Ok thanks BH! waytogo.gif




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