Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  21 Cyg  ·  The star η Cyg
Black hole energy ring in Cygnus X-1 with Tulip nebula, Antonello Medugno
Black hole energy ring in Cygnus X-1 with Tulip nebula
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Black hole energy ring in Cygnus X-1 with Tulip nebula

Black hole energy ring in Cygnus X-1 with Tulip nebula, Antonello Medugno
Black hole energy ring in Cygnus X-1 with Tulip nebula
Powered byPixInsight

Black hole energy ring in Cygnus X-1 with Tulip nebula

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Description

Black hole energy ring in Cygnus X-1: full field of Tulip nebula and its surroundings.
Area rich in Ha but also in O3 with some nebulae that I didn't expect to come out.
The arc of the energy ring, under the tulip, is an area between Hbeta and OIII since it is not present in red (Ha).

9 nights in a month to bring home the result from a purely city sky between October and early November.
- ASI ZWO 6200MC fullframe
- TS130 APO f/5.25
- Optolong L-Extreme
- 96 x 600s

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Black hole energy ring in Cygnus X-1 with Tulip nebula, Antonello Medugno