Lagoon & Trifid Nebulae - Nikon D5600 and Samyang 135mm F/2 (David Arseneau)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: 7 Sgr · 9 Sgr · B296 · B85 · B88 · B89 · LBN 25 · LBN 26 · LBN 27 · LBN 31 · LDN 180 · LDN 232 · Lagoon Nebula · M 20 · M 21 · M 8 · NGC 6514 · NGC 6523 · NGC 6526 · NGC 6530 · NGC 6531 · NGC 6544 · NGC 6546 · Sh2-25 · Sh2-28 · Sh2-30 · The star 7Sgr · The star 9Sgr · Trifid Nebula

Lagoon & Trifid Nebulae - Nikon D5600 and Samyang 135mm F/2

Revision title: Rework using Hubble-style palette

Lagoon & Trifid Nebulae - Nikon D5600 and Samyang 135mm F/2

Revision title: Rework using Hubble-style palette

One of my first adventures into basic astrophotography, using the DSLR I already had (Nikon D5600) and Samyang 135mm F/2 lens, on a Sky Guider Pro mount and with an STC Astro Duo clip in filter. I played around with a free trial of PixInsight, experimenting with different OSC dual narrowband processing methods, and in the end I think I like this one. This combined the red/Ha and blue/Oiii data in a LRGB-esque way (HOO with Ha as luminance layer), but I slightly boosted the Oiii layer to bring out the blues a bit.

Can't compare to a lot of the amazing images on this sight, but I'm thrilled with what I could do with a noisy DSLR

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B

B

Title: Rework using Hubble-style palette

Description: Weeks of cloud and rain have driven me to try to rework what little data I do have. Here's another attempt at playing with the OSC dual-narrowband data of M8 and M20, this time trying for a Hubble-style palette and the dynamic pixel math formula from coldestnights.com (https://thecoldestnights.com/2020/06/pixinsight-dynamic-narrowband-combinations-with-pixelmath/) I think I will put this data to bed for now.

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Status	Advanced success
Started	...
Astrometry.net job	5320233
PixInsight job	GVL73GSDSJ46KAILZ2HU8QZDNSKO6RTQ
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	18h04m20s.31
RA (top/left)	18h08m12s.15
RA (top/right)	18h08m00s.51
RA (bottom/right)	18h00m33s.22
RA (bottom/left)	18h00m34s.39

Dec (center)	-23°43′00″.7
Dec (top/left)	-25°03′27″.6
Dec (top/right)	-22°21′26″.7
Dec (bottom/right)	-22°22′14″.0
Dec (bottom/left)	-25°04′18″.5

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Lagoon & Trifid Nebulae - Nikon D5600 and Samyang 135mm F/2

Revision title: Rework using Hubble-style palette

Lagoon & Trifid Nebulae - Nikon D5600 and Samyang 135mm F/2

Revision title: Rework using Hubble-style palette

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Lagoon & Trifid Nebulae - Nikon D5600 and Samyang 135mm F/2

Revision title: Rework using Hubble-style palette

Lagoon & Trifid Nebulae - Nikon D5600 and Samyang 135mm F/2

Revision title: Rework using Hubble-style palette

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