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Elephant Trunk Nebula

Contains: IC 1396

Technical card

Resolution: 3717x3265

Dates: Sept. 8, 2017Sept. 10, 2017

Frames:
12nm Ha: 42x300" (gain: 139.00) bin 1x1
Astronomik OIII 12nm Astronomik OIII 12nm: 30x300" (gain: 139.00) bin 1x1
Astronomik SII 12nm: 30x300" (gain: 139.00) bin 1x1

Integration: 8.5 hours

Darks: ~30

Avg. Moon age: 17.57 days

Avg. Moon phase: 90.32%

Bortle Dark-Sky Scale: 5.00

Astrometry.net job: 1731995

RA center: 324.866 degrees

DEC center: 57.456 degrees

Pixel scale: 2.313 arcsec/pixel

Orientation: 323.347 degrees

Field radius: 1.589 degrees

Description

My second attempt at the Elephant Trunk Nebula, first with my SV70T. Probably my best narrowband SHO image to date.

Comments

Author

David Brazee
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Revisions

B

Better noise reduction on this go around. Got some critiques on my use of noise reduction this has an overall smoother appearance.

Sky plot

Sky plot

Histogram

Elephant Trunk Nebula, David Brazee