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Contains:  Crescent nebula, NGC 6888
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Crescent Nebula, 


            Salvatore Giambruno
Crescent Nebula

Crescent Nebula

Technical card

Resolution: 1986x1406

Dates:Oct. 18, 2017

Astrodon 3nm Ha: 48x1200" -25C bin 2x2
Astrodon True Balance E series II Luminance: 30x300" -25C bin 1x1

Integration: 18.5 hours

Darks: ~9

Flats: ~20

Bias: ~100

Avg. Moon age: 28.28 days

Avg. Moon phase: 1.75%

Bortle Dark-Sky Scale: 8.00 job: 1801623

RA center: 303.026 degrees

DEC center: 38.352 degrees

Pixel scale: 1.174 arcsec/pixel

Orientation: 178.025 degrees

Field radius: 0.397 degrees

Locations: Home Observatory, Southern California, California, United States


3nm Ha + Lum rendition of the Crescent Nebula.

RED Channel: 100% Ha
GREEN Channel: 70% Ha + 30% Lum
BLUE Channel: 30% Ha + 70% Lum

Ha data is BIN2
Lum data is BIN1



Salvatore Giambruno
License: None (All rights reserved)

Sky plot

Sky plot


Crescent Nebula, 


            Salvatore Giambruno