Art Universe

Scorpius & Ophiuchus nebulae

See also the 46 megapixel zoomable version.

Technical information

Date & time2019 July 3rd/4th
22:46 ~ 03:53 CAT
LocationTivoli Astro-Farm, Namibia
Optics2 x Samyang 135mm f/2.0 ED UMC
Camera2 x Nikon D810A
MountiOptron CEM25P
Composition9 pane mosaic (3 columns, 3 rows)
Exposure25 x 2 minutes per pane
135 mm, f/2, ISO 1600
7.5 hours total
Calibration40 bias frames per camera
40 flat frames per camera
ProcessingDeepSkyStacker: calibrate, align, stack
Microsoft ICE: compose mosaic
Adobe Photoshop CC: subtract skylight, ACR filter
Original resolution8119 x 5726 pixels
See zoomable version

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