Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  IC 166  ·  NGC 654  ·  NGC 659  ·  NGC 663
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NGC 654 - NGC 633  - IC 166 Open Clusters, Roger Menard
NGC 654 - NGC 633  - IC 166 Open Clusters
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NGC 654 - NGC 633 - IC 166 Open Clusters

Getting plate-solving status, please wait...
NGC 654 - NGC 633  - IC 166 Open Clusters, Roger Menard
NGC 654 - NGC 633  - IC 166 Open Clusters
Powered byPixInsight

NGC 654 - NGC 633 - IC 166 Open Clusters

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Description

I found this trio of open clusters in Cassiopeia. What intrigued me is the difference between the clusters, and the thin ribbon of dark nebula below NGC 654.

I found it more difficult than expected to pull out the dark nebula since this area of Cassiopeia is rich in stars.

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NGC 654 - NGC 633  - IC 166 Open Clusters, Roger Menard