NGC3372 in SHO with (R) derived from Ha+Oiii

05-01-2020

Singapore

 

OTA: SR60mm f/6.0 APO, w/Flattener

Imaging: ASI183MM Pro, w/ASI120-MM-S (Guiding - QHY MGS)

Mount: CEM25P

Filters: Optolong Ha, Oiii

Sequencing: ASIAIR

Integration: (Ha) 12x300s, (Oiii) 9x600s

Pixinsight, GIMP 2.0

 

Reprocessed to add synthetic red from Ha & Oiii Channels by PixInsight's PixelMath function.

 

Revised PI Narrowband workflow routine:

 

Phase 1 - QC and LRGB image generation.

Blink, Image Calibration (Superbias, Master Dark & Light Frames), Star Alignment (Pre-Integration), Image Integration, LRGB Combination or Channel Combination

 

Phase 2 - Image enhancement

Dynamic Crop, Dynamic Background Extraction, Background Neutralization, Color Calibration, Screen Transfer Function, Histogram Transformation, Unsharp Mask, Multiscale Linear Transformation, Curves Transformation

 

Optional - DynamicPSF, Deconvolution, TGVDeNoise

Done