Barnard's Loop
See also the 147 megapixel zoomable version.
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Technical information
| Date & time | 2020 January 24th/25th 22:36 ~ 02:52 WET |
| Location | Garafia, La Palma, Spain |
| Optics | 2 x Takahashi Epsilon 130D |
| Camera | 2 x Nikon D810A |
| Mount | 2 x iOptron CEM25P |
| Tripod | Avalon T-Pod 90 iOptron 2" steel tripod |
| Guider | 2 x Lacerta MGEN II Lacerta M54 OAG for Nikon ZWO 30/120 guide scope |
| Composition | 6 pane mosaic (2 columns, 3 rows) |
| Exposure | 6 x 10 minutes per pane 430 mm, f/3.3, ISO 400 6 hours total |
| Calibration | 50 bias frames per camera 50 flat frames per camera |
| Processing | DeepSkyStacker: calibrate, align, stack Microsoft ICE: compose mosaic Adobe Photoshop CC: subtract skylight, ACR filter |
| Original resolution | 12120 x 12120 pixels See zoomable version |
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