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


            WJM Observatory
Messier 51 (The Whirlpool Galaxy)
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Messier 51 (The Whirlpool Galaxy)

Technical card

Imaging telescopes or lenses: Vixen VMC260L

Imaging cameras: QHYCCD QHY 163M

Mounts: Mountain Instruments MI-250

Guiding telescopes or lenses: Vixen VMC260L

Guiding cameras: Lodestar

Focal reducers: Astro-Physics CCDT67

Software: ACP Expert  ·  PixInsight  ·  Interactive Astronomy Sky Roof  ·  Interactive Astronomy Sky Alert  ·  MaximDL

Filters: ZWO 36mm LRGB Filter Set

Dates:April 9, 2018April 11, 2018April 12, 2018April 16, 2018April 17, 2018April 19, 2018May 7, 2018May 8, 2018May 9, 2018May 10, 2018May 11, 2018

ZWO 36mm Blue Filter: 50x300" (gain: 30.00) -15C bin 1x1
ZWO 36mm Green Filter: 35x300" (gain: 30.00) -15C bin 1x1
ZWO 36mm Luminance Filter: 58x120" (gain: 30.00) -15C bin 1x1
ZWO 36mm Red Filter: 51x300" (gain: 30.00) -15C bin 1x1

Integration: 13.3 hours

Avg. Moon age: 17.92 days

Avg. Moon phase: 25.03%

Basic astrometry details

Astrometry.net job: 2113583

RA center: 13h 29' 52"

DEC center: +47° 11' 45"

Pixel scale: 1.594 arcsec/pixel

Orientation: 359.218 degrees

Field radius: 0.286 degrees

Resolution: 1024x788

Locations: William J. Maloney Observatory, Pontotoc, Texas, United States

Data source: Own remote observatory


This is the first image processed from the QHY163M (LRGB) on the Vixen VMC260L, great combination!


Sky plot

Sky plot


Messier 51 (The Whirlpool Galaxy), 


            WJM Observatory