Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)
Sh2-187 in Cass, John
Sh2-187 in Cass
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Sh2-187 in Cass

Sh2-187 in Cass, John
Sh2-187 in Cass
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Sh2-187 in Cass

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Description

HSO-LRGB Emission Nebula in Cassiopeia Imaged over several days in good conditions. The amount of data from RGB would indicate this as a diffuse nebula.
Ha and OIII were evident while SII was extremely faint.

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Sh2-187 in Cass, John