Located in the constellation of Pyxis and resembling one of the great comets of the 19th century, especially
when displayed in just Ha/B&W: https://pbase.com/strongmanmike2002/image/171423483/original

SH2-312 is part of a faint but enormous bubble of H-alpha that includes the more famous and brighter Vela SNR/Gum
nebula complex, in Vela: https://pbase.com/strongmanmike2002/image/171424838/original

Takahashi FSQ106EDX4
FLI Proline 16803, CFW-5-7, Robofocus
HaRGB = 420 50 50 60min = 9.7hrs total exposure (bin 1X1)
New Deep-Sky RGB Astronomik filters
-30C chip temp, dark frames and flats (using Aurora Flat Field Panel) applied
Focal length 530mm, FOV = 4deg X 4deg
Image scale 3.5"/pix
Guide Camera: Starlightxpress Lodestar

Comments
Data collected over 2 nights, 15 & 20 February 2020

Equipment setup:

https://pbase.com/strongmanmike2002/image/168910433

Some links to equipment used to take this image:

StarlightXpress CCD Cameras and imaging equipment

http://www.sxccd.com/products

Finger Lakes Instrumentation CCD cameras:

http://www.flicamera.com/

Astro Shop (Aus)

http://www.astroshop.com.au/

Astro-Elecronic FS2 scope GOTO controller:

http://www.astro-electronic.de/

Gerd Neumann and Astronomik filters:

http://www.astronomik.com/en/home

http://www.gerdneumann.net/

MSB Software & Astroart 5

http://www.msb-astroart.com/

Catseye Collimation

http://www.catseyecollimation.com/

STAR Atlas:PRO planetarium software:

http://www.staratlaspro.com/