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Hemisphere:  Northern  ·  Contains:  IC 1396, IC1396, Sh2-131, VdB142
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Elephant Trunk Nebula H-Alpha, 


            Albert van Duin
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Elephant Trunk Nebula H-Alpha

Technical card

Imaging telescopes or lenses: Home made 400mm F/4 Newtonian

Imaging cameras: Moravian G3 16200

Mounts: Mesu Optics Mesu-Mount 200 Mk2

Guiding telescopes or lenses: Home made 400mm F/4 Newtonian

Guiding cameras: Lodestar

Focal reducers: TS N-AGK3 coma corrector

Software: FocusMax V4  ·  PixInsight  ·  DC-3 Dreams ACP Observatory Control Software  ·  DC-3 Dreams PinPoint Astrometric Engine  ·  Diffraction Limited MaximDL 6 Pro  · Guide 9.0

Filters: Baader H-alpha 2" 7nm

Dates:Nov. 12, 2019

Frames: 4x1200"

Integration: 1.3 hours

Avg. Moon age: 14.68 days

Avg. Moon phase: 99.99% job: 3049246

RA center: 21h 36' 25"

DEC center: +57° 29' 58"

Pixel scale: 0.678 arcsec/pixel

Orientation: 1.816 degrees

Field radius: 0.546 degrees

Resolution: 4524x3624

Locations: Beilen Observatory B85, Beilen, Drenthe, Netherlands

Data source: Backyard


Some test exposures, 4 x 1200s Ha with a full moon in the sky, only darks were used to calibrate.
There was quite some wind at the time, the guiding graph was restless, but still the result is better than I expected.



Albert van Duin
License: None (All rights reserved)

Sky plot

Sky plot


Elephant Trunk Nebula H-Alpha, 


            Albert van Duin

In these public groups

Mesu mounts
Moravian Users