M3 Lagoon Neb: Combo NB and RGB (ALang)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: Lagoon Nebula · M 8 · NGC 6523 · NGC 6526 · NGC 6530 · The star 7 Sgr · The star 9 Sgr

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M3 Lagoon Neb: Combo NB and RGB

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M3 Lagoon Neb: Combo NB and RGB

One of brighest (and closest), easy to record with detail. The three images compare the original OSC, OSC plus NB (Antila), and the final combination (60% Antila and 40% RGB). Inspection shows the advantage of Antila filter enhancing contrast and somewhat reducing background haze seen in the OSC only image. With and without NB masters from similar number of subs. Interesting that colors are similar implying strong Halpha and OIII regions. General PI processing. Linear: SPCC color calibrate, BlurXT, NoiseXT, MaskedStretch. Nonlinear: separate nebula and stars StarXT, UnsharpMask, Histogram tweak. Stars in all images are from the OSC master without NB. Final combination: 60% OSC + NB and 40% OSC via pixmath.

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Final
Original
B
C

B

Title: M3 Lagoon Neb: RGB alone

Description: No filter

Uploaded: ...

C

Title: M8 Lagoon Neb: With Antila Filter

Description: Master taken with Antila NB Filter

Uploaded: ...

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Astrometry.net job	8503944
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M3 Lagoon Neb: Combo NB and RGB

M3 Lagoon Neb: Combo NB and RGB

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M3 Lagoon Neb: Combo NB and RGB

M3 Lagoon Neb: Combo NB and RGB

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