Bubble Widefiled image

Bubble Widefiled


Acquisition Details
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Description

Bubble Nebula, M52, NGC 7538 and a host of other nebulosity. Nikon 180 mm f/2.8 lens at f/4 Mandel Widefield Adapter and SBIG ST-2000XM AstroDon H-alpha filter: 13 exposures of 20 minutes each ARGO Observatory August 2005