Apparently there's a wall of dust around NGC 1931

[wary berry]

Total integration: 51h 15m

Integration per filter:

• Lum/Clear: 14h 50m (178 × 300")
• R: 5h 5m (61 × 300")
• G: 4h 25m (53 × 300")
• B: 3h 35m (43 × 300")
• Hα: 9h (27 × 1200")
• SII: 8h 40m (26 × 1200")
• OIII: 5h 40m (17 × 1200")

Equipment:

• Telescope: Sky-Watcher Esprit 150ED
• Camera: QHYCCD QHY268 M
• Mount: Sky-Watcher EQ6-R Pro
  -Antlia 3nm narrowband, LRGB V Pro
  https://app.astrobin.com/i/4ibfz6

Here's the emissionless that reveals the wall....

[drowsy walrus]

Very cool!

[crisp oak]

Yum

[finite falcon]

That's very cool. Could you bring it more out in the processing ?

[wary berry]

The whole image just becomes hazy when you start pushing dust like that

I backed it off even more as a final tweak, it just doesn't balance in a pleasing way