Hemisphere:  Northern
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Elephant Trunk Nebula, 



    
        

            Alf Jacob Nilsen
Elephant Trunk Nebula
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Technical card

Imaging telescopes or lenses: GSO RC 254/2000 Carbon OTA

Imaging cameras: ZWO ASI1600 Pro

Mounts: iOptron CEM60-EC

Guiding telescopes or lenses: Skywatcher EvoGuide 50ED

Guiding cameras: Starlight Xpress Lodestar 2

Software: Astro Pixel Processor APP  ·  Adobe Photoshop CC  ·  PixInsight Core Version 1.8 Ripley

Filters: ZWO EFW 7x36mm LRGB Ha, Oiii, Sii  ·  IDAS (Tokai) LP-filter

Accessory: Optec TCF-S


Dates:Sept. 18, 2020

Frames:
Baader 36mm B: 19x300" (gain: 300.00) bin 2x2
Baader 36mm G: 18x300" (gain: 300.00) bin 2x2
Baader 36mm Ha 7nm: 19x300" (gain: 300.00) -20C bin 1x1
Baader 36mm L: 19x300" (gain: 300.00) -20C bin 1x1
Baader 36mm R: 18x300" (gain: 300.00) -20C bin 2x2

Integration: 7.7 hours

Darks: ~20

Flats: ~20

Avg. Moon age: 1.21 days

Avg. Moon phase: 1.64%


Basic astrometry details

Astrometry.net job: 3882110

RA center: 21h 35' 39"

DEC center: +57° 30' 21"

Pixel scale: 0.906 arcsec/pixel

Orientation: 329.064 degrees

Field radius: 0.322 degrees


Resolution: 2000x1600

Locations: Osmundstø Observatorium (private backyard observatory), Hidrasund, Vest Agder, Norway

Data source: Backyard

Description

I used my 10'' RC f8 for this 233 x 300sec HaLRGB combinition of the Elephant Trunk Nebula. Ha portion integrated with the red portion. The bright starts are burned out, shorter subs would have been to prefer. Enjoy....

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Author

ajnilsen
Alf Jacob Nilsen
License: None (All rights reserved)
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Elephant Trunk Nebula, 



    
        

            Alf Jacob Nilsen