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Contains:  Checkmark Nebula, IC 4706, IC 4707, Lobster Nebula, M 17, NGC 6618, Swan Nebula, omega Nebula
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M17 The Omega Nebula in SHO narrow band, 


            Mark Forteath
M17 The Omega Nebula in SHO narrow band
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M17 The Omega Nebula in SHO narrow band

Technical card

Imaging telescopes or lenses: Sky-Watcher Esprit 120ED Super APO Triplet

Imaging cameras: ZWO ASI1600MM Pro

Mounts: SkyWatcher EQ6R Pro

Guiding telescopes or lenses: William Optics 50mm Guidescope

Guiding cameras: ZWO ASI290MC

Software: DeepSkyStacker (DSS) deepskystacker  ·  PHD 2  ·  APT  ·  PixInsight  ·  Adobe Systems Inc. Photoshop CC 2019

Filters: ZWO OIII 1.25" 7nm  ·  ZWO Ha 1.25"  ·  ZWO SII 1.25" 7 nm

Accessory: Orion Dew Zapper Orion Controller and Heating Bands

Dates:Aug. 9, 2020Aug. 17, 2020Aug. 31, 2020

ZWO Ha 1.25": 100x240" (gain: 139.00) -15C bin 1x1
ZWO OIII 1.25" 7nm: 59x240" (gain: 139.00) -15C bin 1x1
ZWO SII 1.25" 7 nm: 14x240" (gain: 139.00) -15C bin 1x1

Integration: 11.5 hours

Darks: ~80

Flats: ~80

Bias: ~400

Avg. Moon age: 20.37 days

Avg. Moon phase: 56.94%

Bortle Dark-Sky Scale: 3.00

Temperature: 4.00

Basic astrometry details job: 3828108

RA center: 18h 20' 27"

DEC center: -16° 10' 40"

Pixel scale: 0.910 arcsec/pixel

Orientation: 183.404 degrees

Field radius: 0.719 degrees

Resolution: 4560x3409

Locations: Home Observatory, Wynyard, Tasmania, Australia

Data source: Backyard


The Omega nebula in SHO narrow band.


Mark Forteath
License: None (All rights reserved)

Sky plot

Sky plot


M17 The Omega Nebula in SHO narrow band, 


            Mark Forteath