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I looked out the old filter program I mentioned before and have expanded it.
It will print out to a file all the total ngc/IC objects that are visible from a given location
It will also print out a smaller file that just lists the objects that are visible at a given time
It will print out the objects by type, size, magnitude in a given area. such as all items within say 40 degrees of the zenith etc.
Most of this info will need an extensive file. However the info can be displayed on the screen if it only contains 20 or 30 usefull objects.
It can display on the screen if the area is small.
It reads the 13226 items in the old NGC2000.dat file that I use with Stellarium
Is this what you want.
Barry
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