The Heart and Soul Nebula

Equipment:

• Modded Sony Rx10iv
• L-enhance filter
• SWSA
• SW Tripod
• taken at 300mm with a stock lens
• Bahintov Mask

Acquisition:

• 400×1.5min exposures (taken over 4 nights)
• 100 darks (25 each night)
• 200 bias (taken one night)
• 400 flats ( 100 each night)
• ISO 1600
• F/4.0

Stacking:

• Stacked in Siril
• Extracted Ha and O3

Processing (all in pixinsight):

• Individually stretched the b&w images
• used pixel math

R = iif(Ha > .15, Ha, (Ha*.8)+(Oiii*.2))

G = iif(Ha > 0.5, 1-(1-Oiii)*(1-(Ha-0.5)), Oiii *(Ha+0.5))

B = iif(Oiii > .1, Oiii, (Ha*.3)+(Oiii*.2))

• DBE, color calibration, Green SNCR
• Streched image
• Star reduction
• Played around with curves