It's been a long time since it was sunny, and last night's crescent nebula was able to collect signals normally.

When I combined Ha and Oiii and tried and errored the parameters, I found an Oiii bubble in the crescent moon.

Target has been narrowed down to this bubble at once.

It is not enough to emphasize Oiii, and despite the nebula in Cygnus, Ha is not swung red but swung to Luminace, greatly reducing Ha's Signal.

Assign some red to some white Ha in Post Process.

It has erased the real thrill of the normal crescent nebula.

Instead, more Bubbles have emerged.

It's hard to tell from this photo, but it looks like there's a small Bubble in the center.

Place: Backyard East Pattaya (Bortle Class 6, Moon Phase 73.1％)

Shot Date:26th / Oct / 2021 22:14　(UTC+7) Start

Celestron C11 HyperStar C11 (2800mm F/1.9 f/540mm)

filter: Baader Highspeed Ultra Narrow Band.

Ha 3.5nm 21 X 120Secs 42minutes

Oiii 4.0nm 33 X 120Sec 66minutes

Total 1 Hours 48 minutes

Palette: L(Syn)-HOO

Gain: 120、BIN2

CCD: ZWO ASI294MM Pro

Filter: Baader Highspeed Ultra Narrow Band.

Mount :iOptlon CEM70G

Guide: iOptlon iGuider 30mm F/4

Controler:NINA,PHD2

Pre-Processing APP Drizzle 2.0 Droplet 0.5

Post-Processing PI,PS

Shot By Taro Seki Astropical.uk