Orion Over Lake Manapouri

Captured
January 28, 2025
Bortle Scale
1 - Excellent, Dark Site Location
Location
Lake Manapouri, Southland, New Zealand
45°33'38.016"S 167°37'2.545"E
Category
Chasing the Stars
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Behind the Stars – Orion Over Lake Manapouri

1. About the Photo

Orion is one of the most recognizable constellations in the night sky, with the Orion Nebula (M42) as its brightest feature—a favorite target for astrophotographers. In the Northern Hemisphere, Orion is a classic winter object, but in the Southern Hemisphere, it graces our summer skies.

Inspired by friends up north capturing Orion in cold, snowy landscapes, I wanted to photograph it against a uniquely New Zealand setting. This led me to Fiordland, home to some of the darkest skies in the country.

2. About the Place

What’s in the Photo?

The image showcases the Orion Nebula rising over the stunning Lake Manapouri, framed by the rugged Fiordland mountains. A bench with a lantern in the foreground adds a peaceful, human element to the composition.

Screenshot from Stellarium App - showing the position of Orion and other constellations

Time & Location:

  • Date: January 28, 2025
  • Location: Lake Manapouri, Fiordland, New Zealand

Interesting Fact: Fiordland is part of a UNESCO World Heritage site and is renowned for its exceptionally dark skies, making it an astrophotography paradise.

3. The Journey to Photograph the Place

Planning Process

This trip to Fiordland was primarily a getaway with my wife, but I planned for astrophotography if the weather allowed. Using Google Maps, Stellarium, and Windy, I scouted my location and determined Orion’s alignment.

The forecast didn’t look promising, with rain dominating the first day. However, I stayed hopeful, knowing that Fiordland’s rapidly changing weather could open a small window of opportunity.

Travel to the Location

We spent our time exploring Manapouri, the gateway to Doubtful Sound, and even spotted small dolphins during a cruise—a rare and unforgettable experience. On the second night, a brief clear sky window appeared, lasting just a couple of hours. With such pristine darkness surrounding Lake Manapouri, I knew I had to act fast.

Orion Position in Stellarium App & Windy Forecast

4. The Actual Photographing Process

Setting Up the Shot

I framed my shot featuring a lakeside bench with a lantern, with the Orion Nebula glowing above the Fiordland mountains. I experimented with a few compositions but ultimately stuck with my original vision.

On-location Techniques

  • Used Stellarium to confirm Orion’s position.
  • Carefully aligned my tracker to capture long exposures.
  • Captured both RGB and Hydrogen Alpha (HA) data separately to enhance nebula details.

Environmental Challenges

  • Limited time due to cloud cover.
  • Unpredictable Fiordland weather.
  • Ensuring precise focus with the HA filter.

5. Technical Details of the Photo

Camera & Gear Used

  • Camera (Sky): Sony A7III (astro-modified for Hydrogen Alpha)
  • Camera (Foreground): Sony A7RV
  • Lens: Sony 24mm f/1.4 GM
  • Tracker: Benro Polaris Star Tracker
  • Filter: Astronomik Hydrogen Alpha 12nm clip filter

Settings

RGB Sky:

  • 10 images stacked
  • f/2
  • 60 sec exposure
  • ISO 800

HA Sky:

  • 21 images stacked
  • f/1.4
  • 92 sec exposure
  • ISO 2500

6. Editing Process

This image introduced me to a new processing workflow: HARGB blending. This technique enhances nebula details by integrating HA data into the red channel of the RGB image.

Key Post-Processing Steps:

  • Stacking: Combined multiple exposures for noise reduction and detail enhancement.
  • HARGB blending: Integrated HA data into the RGB image for increased nebula detail.
  • Color Grading: Brought out deep reds in Orion while maintaining natural star colors.
  • Contrast & Sharpening: Emphasized nebula structures without over-processing.
HA Files - Stacking Process

RAW - STACKED - RGB Image - including Stars
RAW - STACKED - RGB - STARLESS
RAW - STACKED - Starless image of HA
Combined - RED CHANNEL of HA and RGB - STARLESS
Combined - RED CHANNEL of HA and RGB with Stars
Final image of STACKED - HARGB Image - including Stars

7. The Result

This is easily my best HA image yet. The enhanced HA regions reveal intricate structures in the Orion Nebula that my standard astro-modified camera alone couldn’t capture. Seeing the final result, I was amazed at how much additional detail the filter provided.

The composition turned out exactly as I envisioned—a peaceful lakeside scene with Orion rising majestically above Fiordland’s rugged peaks.

8. Technical Summary

  • Camera: Sony A7III (astro-modified)
  • Lens: Sony 24mm f/1.4 GM
  • Tracker: Benro Polaris Star Tracker
  • Filter: Astronomik Hydrogen Alpha 12nm clip filter

Settings:

  • RGB Sky: 10x (f/2, 60 sec, ISO 800)
  • HA Sky: 21x (f/1.4, 92 sec, ISO 2500)

Processing Software:

  • DeepSkyStacker, Photoshop, PixInsight

Post-processing Technique:

  • HARGB blending, noise reduction, color grading

9. Closing Thoughts

Fiordland is one of New Zealand’s best locations for astrophotography, and this trip confirmed that I need to return for more. The skies here are incredibly dark, and the landscapes provide endless creative possibilities.

On the way back to Wellington, I also visited several lighthouses—potential future locations for Milky Way photography later this year. But I’ll leave that as a surprise for now!

Would I do anything differently? Not really. The planning, execution, and post-processing all came together perfectly, and I’m incredibly proud of this image.

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