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

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


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.


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


Sky plot

Sky plot


M74 Grand Design Spiral in Pisces, 


            Boris Emchenko