Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  Great Nebula in Orion  ·  M 42  ·  M 43  ·  NGC 1973  ·  NGC 1975  ·  NGC 1976  ·  NGC 1977  ·  NGC 1980  ·  NGC 1981  ·  NGC 1982  ·  The star 42Ori  ·  The star 45Ori  ·  The star θ1Ori  ·  The star θ2Ori  ·  The star ιOri
M42 Retry, Wei Li
M42 Retry
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M42 Retry

M42 Retry, Wei Li
M42 Retry
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M42 Retry

Equipment

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Acquisition details

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Description

M42 is not an easy object because it has very broad dynamic ranges. I had to make two exposure every channel. LRGB were shot multiple nights on dark site. Ha were captured in my backyard.

R: 37x30s, 30x120s

G: 40x30s, 30x120s

B: 35x30s, 30x120s

L: 60x30s, 80x120s

Ha: 32x60s, 21x300s

Comments

Sky plot

Sky plot

Histogram

M42 Retry, Wei Li

In these public groups

Cloudy Nights