NGC 1333, LRGB, 13-14 Nov 2018 (David Dearden)

Celestial hemisphere: Northern · Constellation: Perseus (Per) · Contains: B205 · NGC 1333

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NGC 1333, LRGB, 13-14 Nov 2018

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NGC 1333, LRGB, 13-14 Nov 2018

I had problems finding a guide star for this image, and as a result threw out a lot of subs due to poor guiding, all in luminance. Thus, I had a lot less integration than desired. Nevertheless, the image turned out a lot better than I expected. It is still a much better result than my best previous of this object, so I’ll take it.

Date: 13-14 Nov 2018

Subject: NGC 1333

Scope: AT8IN+High Point Scientific Coma Corrector

Filters: ZWO 31 mm diameter unmounted 7 nm L, R, G, B

Mount: EQ-6 (EQMOD 2.000j)+PEC

Guiding: Orion Thin Off-axis Guider + DSI IIc +PHD 2.6.5 (Win 10 ASCOM)

Camera: ASI1600MM-Cool, -20 °C, Gain 139 Offset 21

Acquisition: Sequence Generator Pro 3.0.3.140

Exposure: 35x300 L, 30x180 R, 30x180 G, & 30x180 B

Stacking: Deep Sky Stacker 4.1.1 (64-bit) dark+flat (no bias), κ-σ stacking with κ = 1.5.

Processing: StarTools 1.4.332: Software binned all subs 2x2. Vignette wiped the luminance, color & vignette wiped the RGB, stretched, and HDR optimized. Deconvoluted (3 pixels) and untrack denoised. Used Photoshop to combine L with RGB. My flats weren’t very good and consequently I had a dust ring to deal with; I used the clone stamp and blur tools to get rid of it. Did more stretching in Photoshop using curves. The low integration meant the image was noisier than I wanted, so I did deep space and space noise reduction along with “less crunchy more fuzzy.” Then AstroFrame.

Image the Universe
ZWO ASI1600MM/QHY163M

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Status	Advanced success
Started	...
Astrometry.net job	2380279
PixInsight job	QSOZ9FV6JY52D82ALI1W5JBAWA65B4E1
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	03h29m09s.85
RA (top/left)	03h31m38s.65
RA (top/right)	03h26m32s.82
RA (bottom/right)	03h26m42s.00
RA (bottom/left)	03h31m44s.73

Dec (center)	+31°21′39″.1
Dec (top/left)	+31°47′29″.7
Dec (top/right)	+31°45′18″.7
Dec (bottom/right)	+30°55′30″.3
Dec (bottom/left)	+30°57′39″.10

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NGC 1333, LRGB, 13-14 Nov 2018

NGC 1333, LRGB, 13-14 Nov 2018

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NGC 1333, LRGB, 13-14 Nov 2018

NGC 1333, LRGB, 13-14 Nov 2018

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