Sorry for the stupid question ![:(]( ":(")
I noticed a strange double marker centered on the Dumbbell Nebula:
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and I have no idea where it's coming from. I right-clicked to check labels and flags, but it doesn't look like I have defined anything.
Can someone tell me where it's coming from?
I noticed a strange double marker centered on the Dumbbell Nebula:
and I have no idea where it's coming from. I right-clicked to check labels and flags, but it doesn't look like I have defined anything.
Can someone tell me where it's coming from?