Look ma, no filter! The Great Orion Nebula in RGB OSC (Francesco Meschia)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: 41 the01 Ori · 42 c Ori · 43 the02 Ori · 44 iot Ori · 45 Ori · De Mairan's nebula · Great Orion Nebula · Hatysa · Lower Sword · M 42 · M 43 · Mairan's Nebula · NGC 1973 · NGC 1975 · NGC 1976 · NGC 1977 · NGC 1980 · NGC 1982 · Orion Nebula · PGC 3081010 · Sh2-279 · Sh2-281 · The star 42Ori · The star 45Ori · The star θ1Ori · The star θ2Ori · The star ιOri · the Running Man Nebula

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Look ma, no filter! The Great Orion Nebula in RGB OSC

Powered byPixInsight

Look ma, no filter! The Great Orion Nebula in RGB OSC

Are light pollution filters overrated?

Last night I just wanted to run some tests on my rig, and I ended up collecting about two and a half hours from the backyard. I used my Lifepixel-modified DSLR camera, but no filter.

Two years ago I imaged this very same object, with a non-modified camera (same image sensor, though) and an IDAS D1 light pollution filter (https://www.astrobin.com/387600).

To my eyes, the more recent image with no filter looks better. I’m unsure if the difference can be explained just by the additional integration time and the astro-modification.

Added another 1.5 hours

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Status	Advanced success
Started	...
Astrometry.net job	4215912
PixInsight job	XIV158G3RT8EZGKT0ZDPG2Q6JQGWQ2MU
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	05h34m54s.88
RA (top/left)	05h32m31s.63
RA (top/right)	05h32m40s.96
RA (bottom/right)	05h37m18s.56
RA (bottom/left)	05h37m08s.51

Dec (center)	-05°21′10″.2
Dec (top/left)	-04°30′13″.3
Dec (top/right)	-06°13′40″.6
Dec (bottom/right)	-06°12′06″.7
Dec (bottom/left)	-04°28′36″.2

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Look ma, no filter! The Great Orion Nebula in RGB OSC

Look ma, no filter! The Great Orion Nebula in RGB OSC

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Look ma, no filter! The Great Orion Nebula in RGB OSC

Look ma, no filter! The Great Orion Nebula in RGB OSC

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