Sh2-133, Cave Nebula in the Hubble palette.

[Hughsie]

Having posted a H⍺ version of Sh2-155, I carried on acquiring Oiii and Sii data across six separate nights, dodging clouds and rain at all hours. I would have liked to have captured some more Sii but I there are other objects I want to image so I need to move on.

 

Equipment

• William Optics Z103 refractor with 0.8 reducer/flattener.
• ZWO ASI1600mm pro cool camera.
• SkyWatcher EQ6R-Pro mount.
• Chroma 1.25” 3nm H⍺, Oiii & Sii filters.

 

Data

• H⍺ - 113 x 300s.
• Oiii - 52 x 300s & 31 x 600s.
• Sii - 51 x 300s.
• Total integration time 23 hours.

 

Processed with PixInsight.

 

[simmo39]

V nice!