Hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  IC 4263  ·  M 51  ·  NGC 5194  ·  NGC 5195  ·  Whirlpool galaxy
Whirlpool Galaxy, 


Whirlpool Galaxy
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Whirlpool Galaxy

Technical card

Imaging telescopes or lenses: GSO RC 8"

Imaging cameras: ATIK 383L+ Mono

Mounts: Celestron CGEM

Guiding telescopes or lenses: GSO RC 8"

Guiding cameras: ZWO ASI120MM

Focal reducers: Astro-Tech Field Flattener

Software: PHD2 Guiding  ·  Seqence Generator Pro  ·  PixInsight 1.8 Ripley PixInsinght 1.8 RC7

Filters: Astronomik Ha 1.25 12nm  ·  Astronomik LRGB 1.25" Filters

Accessory: ZWO EFW 1.25" 8 positions  ·  MoonLite Moonlight Focuser w/High Res Stepper Motor

Dates:March 22, 2018

Astronomik Ha 1.25 12nm: 14x600" bin 1x1
Astronomik LRGB 1.25" Filters: 65x300" bin 1x1
Astronomik LRGB 1.25" Filters: 75x600" bin 1x1

Integration: 20.2 hours

Avg. Moon age: 5.08 days

Avg. Moon phase: 26.51%

Basic astrometry details

Astrometry.net job: 2761018

RA center: 13h 29' 53"

DEC center: +47° 11' 49"

Pixel scale: 0.344 arcsec/pixel

Orientation: 90.595 degrees

Field radius: 0.369 degrees

Resolution: 6004x4834

Locations: Home, Orlando, Florida, United States

Data source: Backyard


L: 75x10 mins
R: 25x5 mins
G: 22x5 mins
B: 18x5 mins
Ha: 14x10mins



  • Whirlpool Galaxy, 


  • Final
    Whirlpool Galaxy, 




Description: Clipped the histogram just a bit more as I noticed some artifacts at the edges. Wanted to enhance the dark structures a bit, but I for some reason really like the soft "Christmas Tree Glow" that this image has right now and didn't want to change it.

Uploaded: ...

Sky plot

Sky plot


Whirlpool Galaxy,