21/03/2026
Orion Widefield (Untracked)
Contains : (m42 - Orion Nebula , m43 - De Mairan's Nebula , m78 - reflection nebula, sh2-279 - Running Man Nebula, barnard 33 - horsehead nebula, ngc 2024 - flame nebula, sh 2-276 - barnard's loop )
Location: Kalutara, Sri Lanka
Dates: 2025/11/12 & 2025/11/13
Sky Conditions: Bortle Class 6-7
Equipment:
Camera: Canon EOS 700D (Modified)
Lens: Sigma 70-200mm f/2.8
Focal Length: 70mm (cropped)
Aperture: f/2.8
ISO: 800
Acquisition Details:
Shutter Speed: 2.5 seconds
Lights: 2150| Darks: 25 | Bias: 20 | Flats: 20
Total Integration Time: ~1.5 hours (5375 seconds)
Processing:
Stacked and processed in Siril.
Final touches completed in Adobe Photoshop.
Photographed & Processed by: Sadeesha Tantiriwatta
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