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The Ghost nebula SH2-136 or VDB141, 



    
        

            John
The Ghost nebula SH2-136 or VDB141
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The Ghost nebula SH2-136 or VDB141

Technical card

Imaging telescopes or lenses: Celestron C8-SGT (XLT)

Imaging cameras: ZWO ASI 1600MM-Cool ZWO ASI 1600MM cool

Mounts: Skywatcher HEQ5 Pro Synscan

Guiding telescopes or lenses: ATM

Guiding cameras: QHY5 Guidecam

Focal reducers: Celestron f6.3 Reducer/Corrector HS for SC8 Celestron F6.3 Reducer/Corrector

Software: APT - Astro Photography Tool  ·  PHD2 Guiding  ·  AstroPixel Processor  ·  Carte du Ciel  ·  PixInsight 1.8 Ripley PixInsight

Filters: Astronomik Deep-Sky B Filter  ·  Astronomik Deep-Sky G Filter  ·  Astronomik Deep-Sky R Filter

Accessory: zwo ewf 5 filterwheel zwo


Dates:April 15, 2020April 16, 2020

Frames:
Astronomik Deep-Sky B Filter: 29x30" bin 1x1
Astronomik Deep-Sky B Filter: 50x30" (gain: 300.00) -20C bin 1x1
Astronomik Deep-Sky G Filter: 79x30" bin 1x1
Astronomik Deep-Sky R Filter: 92x30" bin 1x1
Hutech IDAS LPS P2 2": 42x300" bin 1x1
Hutech IDAS LPS P2 2": 29x300" (gain: 139.00) -20C bin 1x1

Integration: 8.0 hours

Darks: ~30

Flats: ~15

Flat darks: ~15

Avg. Moon age: 23.12 days

Avg. Moon phase: 39.75%

Bortle Dark-Sky Scale: 4.00


Basic astrometry details

Astrometry.net job: 3431567

RA center: 21h 15' 33"

DEC center: +68° 12' 32"

Pixel scale: 0.584 arcsec/pixel

Orientation: 183.477 degrees

Field radius: 0.460 degrees


Resolution: 4504x3448

Locations: Home base Full Observatory, Assen, Drenthe, Netherlands

Data source: Backyard

Description

Well ,its really dark now at night,time to capture some faint objects.
I wanted the ghost nebula for so long,and worked out pretty well.

I used very short subs for the colors,and long for the luminance.
Maybe the next time i do longer color subs too,i couldnt get the stars nice after using luminance.

Processing was not easy,only after removing light polution in APP i get the right color.

But im happy for now.
hope you like it too..greetings John

Comments

Author

kajouman
John
License: None (All rights reserved)
1070
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The Ghost nebula SH2-136 or VDB141, 



    
        

            John

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Sharpless2 Objects