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Lobster claw nebula - Sh2-157 /162 /158, Thomas Ammann

Lobster claw nebula - Sh2-157 /162 /158

Getting plate-solving status, please wait...
Lobster claw nebula - Sh2-157 /162 /158, Thomas Ammann

Lobster claw nebula - Sh2-157 /162 /158

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Description

Processing of images taken this summer under a perpetually clear sky – magnificent.

Beautiful star forming region near Cassiopea - with strong presence of OIII gas, stellar wind at 1700km/sec in the bubble nebula and the largest protostar in the stellar nursery NGC 7538.

Difficult contrasts to manage between large Ha spaces and smaller very bright OIII regions.

6h of HSO at 7min/image - and RGB stars - Tak FSQ-85/106 EM11/200 - ZWO 6200/2600 bin 1 -10deg

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Histogram

Lobster claw nebula - Sh2-157 /162 /158, Thomas Ammann