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Hi Dennis,
Great stuff. A Gaia search provides an identifier as 5348442341873671040.
(Screenshot attached).
When you copy those coordinates back into Aladin, it positions it at the
cross hairs in the second attached image which is using the MAMA srcj plate
scan
I have rotated that image 180 degrees so south is up, like yours.
Though it is not quite centered, Aladin does provide warnings in its
documentation that the accuracy of its own astrometry is a function of the
plate calibration.
Notice both in your images and the Aladin MAMA srcj image that there is
that bump at 11 o'clock? Right when the Gaia position places the cross
hairs.
Is it two stars? Or is it possibly another planetary nebula?
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