Hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  Checkmark Nebula  ·  IC 4706  ·  IC 4707  ·  Lobster Nebula  ·  M 17  ·  M 18  ·  NGC 6596  ·  NGC 6613  ·  NGC 6618  ·  Swan Nebula  ·  omega Nebula
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The galactic Swan M17, 



    
        

            Johannes Bock
The galactic Swan M17
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The galactic Swan M17

Getting plate-solving status, please wait...
The galactic Swan M17, 



    
        

            Johannes Bock
The galactic Swan M17
Powered byPixInsight

The galactic Swan M17

Technical card

Imaging telescopes or lenses: TS-Optics 6" Ritchey Chretien 1370mm

Imaging cameras: Nikon D810 astrocool CentralDS full spectrum

Mounts: SkyWatcher AZ-EQ5 GT pro CG-5 tuned

Focal reducers: TS-Optics 2" CCD Reducer 0,67x

Filters: Optolong L-eNhance 2"

Accessory: Lacerta MGEN 2  ·  APM Image Master 50/200


Dates:June 21, 2020

Frames: 20x420" (2h 20') ISO1250 -10C

Integration: 2h 20'

Darks: ~25

Flats: ~20

Flat darks: ~20

Bias: ~25

Avg. Moon age: 0.22 days

Avg. Moon phase: 0.05%

Bortle Dark-Sky Scale: 4.00


Basic astrometry details

Astrometry.net job: 4091672

RA center: 18h 20' 24"

DEC center: -16° 7' 4"

Pixel scale: 1.063 arcsec/pixel

Orientation: 341.887 degrees

Field radius: 1.179 degrees


Resolution: 4474x6613

Data source: Backyard

Description

Messier 17 is one of the mlst interesting objects of the summer milkyway. The hydrogen cloud form the shape of a swan. The body of the swan is really bright so it is very difficult to capture the dark clouds in it.

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The galactic Swan M17, 



    
        

            Johannes Bock