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LDN 1235 - The Dark Shark Nebula, 


            Rudolf Bumm
LDN 1235 - The Dark Shark Nebula
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LDN 1235 - The Dark Shark Nebula

Technical card

Imaging telescopes or lenses:ASA - Astro Systeme Austria Astrograph 203 mm f2.75

Imaging cameras:ZWO ASI1600MMC

Mounts:iOptron CEM60


Dates:Sept. 13, 2017

Frames: 163x180"

Integration: 8.2 hours

Avg. Moon age: 22.38 days

Avg. Moon phase: 47.49%

Basic astrometry details job: 1761298

RA center: 22h 14' 41"

DEC center: +73° 21' 25"

Pixel scale: 1.378 arcsec/pixel

Orientation: 11.669 degrees

Field radius: 0.995 degrees

Resolution: 4188x3078

Locations: Mirasteilas observatory, Falera, Graubünden, Switzerland


This gloomy nebula is one of my deepest images (> 8 h) so far.
It required about 3 h of Pixinsight fine tuning.
Enjoy !
L 103 x 180 s
R 20 x 180 s
G 20 x 180 s
B 20 x 180 s



Rudolf Bumm
License: None (All rights reserved)

Sky plot

Sky plot


LDN 1235 - The Dark Shark Nebula, 


            Rudolf Bumm