Earth & Sky
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Technical information
| Date & time | 2019 July 7th/8th 23:48 ~ 00:15 CAT |
| Location | Tivoli Astro-Farm, Namibia |
| Optics | Samyang 24mm f1.4 ED AS UMC |
| Camera | Nikon D810A |
| Mount | Sky-Watcher Star Adventurer |
| Tripod | Manfrotto MT055XPRO3 |
| Composition | 19 pane mosaic in stereographical projection: 3 rows of 6 panes spaced 60° apart azimuthally and aimed at altitudes -20°, +20°, +60° 1 pane aimed at zenith |
| Exposure | Bottom row: 30 seconds per pane, ISO 1600, 0.5x tracking speed Middle row: 1 minute per pane, ISO 800 Top row & zenith: 2 minutes per pane, ISO 400 24 mm, f/2 23 minutes total |
| Calibration | 40 bias frames 40 flat frames |
| Processing | DeepSkyStacker: calibrate Microsoft ICE: compose mosaic Adobe Photoshop CC: ACR filter |
| Original resolution | 21600 x 14400 pixels |
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