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Andreas Alzner and Ronald Stoyan
Andreas Alzner and Ronald Stoyan used a H-b filter on these objects.
IC 5146, IC 434, NGC 1499, Sh2 276, NGC 6559
IC 1274/5, IC 1283/4, Sh2 119, Sh2 168
They made a catalogue of nearly all Galactic Nebulae north of -33° Dec visible in a 14" instrument.
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