Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  Part of the constellation Ursa Minor (UMi)  ·  The star 24UMi  ·  The star 40Tau  ·  The star 76Dra  ·  The star Polaris (αUMi)  ·  The star Yildun (δUMi)
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Polaris Nebula (Okie-Tex Star Party 2019), Brent Newton
Polaris Nebula (Okie-Tex Star Party 2019)
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Polaris Nebula (Okie-Tex Star Party 2019)

Getting plate-solving status, please wait...
Polaris Nebula (Okie-Tex Star Party 2019), Brent Newton
Polaris Nebula (Okie-Tex Star Party 2019)
Powered byPixInsight

Polaris Nebula (Okie-Tex Star Party 2019)

Equipment

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Acquisition details

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Description

A widefield project from Okietex Star Party 2019 to see if I could capture the nebula around Polaris. I'd like to revisit this with a better 50mm lens since this once had significant corner issues, but shooting at f/1.8 was about the only way to capture decent amounts of nebula.

PixInsight:

Darks Calibration, Star Align, Image Integration

Crop

ABE, DBE background extraction

Extracted Luminance from color image

Luminance Processing:

Deconvolution using PSF Script, StarMask

TGVD NR

MLT NR

Masked Stretch

ACDNR for final LNR

Star Reduction

Color Processing:

Photometric CC

Background Neut.

TGVD for CNR

MLT for CNR

Masked Stretch

ACDNR for final CNR

SCNR for slight G reduction

Combined:

LRGB Cobmination

Curves adjustments to enhance nebula by masking out stars

Comments

Sky plot

Sky plot

Histogram

Polaris Nebula (Okie-Tex Star Party 2019), Brent Newton

In these public groups

Central USA

In these collections

Bortle 1
Widefield