Thor's Helmet-NGC 2359-in HOO

 

Thor's Helmet -NGC 2359 -imaged in HOO (Hydrogen data mapped to red and Oxygen data mapped to Green and Blue)

 

Total integration -12 hours- 6 hours each in Ha and OIII respectively,

 

Data captured over 4 imaging sessions over January and February 2023

 

Equipment

 

EQ 6 pro- Rowan belt modded

 

Sharpstar Z4 (100 mm f 5.5)

ZWO ASI 533 MM

ASIAAIR

Optolong 3 nm OII Filter

Atlia 3 nm H alpha Filter

 

Software

ASIAIR app

Astro Pixel Processor (APP)

Photoshop CS 6 (with NoiseXterminator plug in)

Starnet ++ v2

 

Processing notes

 

1.

Stacked Ha and OIII data

separately in APP

2. Registered stacked (linear) images

3. RGB combined using HOOO 1algorith

3.

applied 20%- 5 - 0 stretch in APP

4.

Star removed with Starnet++

5.

Starless image stretched in Photoshop CS 6. Noise removed with NoiseXterminator

6

star layer added back for final image

 

 

Done