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M1 Ha/OIII/SII Blend 1

Technical card

Resolution: 2225x1625

Dates: Nov. 12, 2016Nov. 21, 2016Dec. 1, 2016

Frames:
Baader H-alpha 7nm : 171x60" (gain: 139.00) -25C bin 1x1
Baader OIII 8.5nm: 60x300" (gain: 139.00) -25C bin 1x1
Baader SII 8nm: 56x300" (gain: 139.00) -25C bin 1x1

Integration: 12.5 hours

Avg. Moon age: 11.63 days

Avg. Moon phase: 48.72%

Astrometry.net job: 1360011

RA center: 83.632 degrees

DEC center: 22.012 degrees

Pixel scale: 0.981 arcsec/pixel

Orientation: 176.335 degrees

Field radius: 0.375 degrees

Description

First blend attempt:

R: Ha*r + SII*(1-r)
G: OIII
B: Ha*b + OIII*(1-b)

r = 0.75, b=0.05

Comments

Author

mikefulb
Like

Revisions

B

Added some RGB stars thanks to data from my friend Ron. Not a significant difference but subtle.

Sky plot

Sky plot

Histogram

M1 Ha/OIII/SII Blend 1, mikefulb