Hemisphere:  Northern  ·  Constellation: Pisces (Psc)  ·  Contains:  M 74  ·  NGC 628
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M74 Grand Design Spiral in Pisces, 



    
        

            Boris Emchenko
M74 Grand Design Spiral in Pisces
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Technical card

Imaging telescopes or lenses: Customized Newton320/4.5

Imaging cameras: QSI683wsg

Mounts: WS-180

Guiding telescopes or lenses: Customized Newton320/4.5

Guiding cameras: Starlight Xpress Lodestar X2 Autoguider

Focal reducers: ASA 3" Wynne Corrector 0.95x

Software: Pleiades Astrophoto PixInshight  ·  CCDCommander  ·  FitStacker

Filters: Astrodon LRGBHaOiiiSii 1.25"


Dates:Aug. 17, 2020Aug. 28, 2020Sept. 11, 2020Sept. 28, 2020Oct. 11, 2020

Frames:
Baader B 36mm: 70x600" bin 1x1
Baader G 36mm: 43x600" bin 1x1
Baader Ha 36mm 7nm: 49x1200" bin 1x1
Baader L 36mm: 146x600" bin 1x1
Baader R 36mm: 50x600" bin 1x1

Integration: 67.8 hours

Avg. Moon age: 19.30 days

Avg. Moon phase: 48.98%


Basic astrometry details

Astrometry.net job: 4187780

RA center: 1h 36' 42"

DEC center: +15° 46' 58"

Pixel scale: 0.815 arcsec/pixel

Orientation: 358.262 degrees

Field radius: 0.296 degrees


Resolution: 2139x1504

Locations: Astromania Vedrus remote observatory, Krasnodar, Russian Federation

Data source: Amateur hosting facility

Remote source: Astro Hostel Krasnodar

Description

M 74 is a grand design spiral galaxy in Pisces with two prominent spiral arms. Being 30 Mly away it is about half of Milky Way size.

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Imaged in LRGB with adding Ha later in post processing, though Hii regions are developing well even in broadband R filter

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M74 Grand Design Spiral in Pisces, 



    
        

            Boris Emchenko