Art Universe

Barnard's Loop

See also the 147 megapixel zoomable version.

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Technical information

Date & time2020 January 24th/25th
22:36 ~ 02:52 WET
LocationGarafia, La Palma, Spain
Optics2 x Takahashi Epsilon 130D
Camera2 x Nikon D810A
Mount2 x iOptron CEM25P
TripodAvalon T-Pod 90
iOptron 2" steel tripod
Guider2 x Lacerta MGEN II
Lacerta M54 OAG for Nikon
ZWO 30/120 guide scope
Composition6 pane mosaic (2 columns, 3 rows)
Exposure6 x 10 minutes per pane
430 mm, f/3.3, ISO 400
6 hours total
Calibration50 bias frames per camera
50 flat frames per camera
ProcessingDeepSkyStacker: calibrate, align, stack
Microsoft ICE: compose mosaic
Adobe Photoshop CC: subtract skylight, ACR filter
Original resolution12120 x 12120 pixels
See zoomable version

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