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Contains:  IC 4277, M 51, NGC 5194, NGC 5195, Whirlpool Galaxy
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M51, 



    
        

            Scott
M51
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M51

Technical card

Imaging telescopes or lenses: Celestron C11 XLT

Imaging cameras: ZWO ASI1600MM-Pro

Mounts: Skywatcher EQ6-R Pro

Guiding telescopes or lenses: Celestron C11 XLT

Guiding cameras: ZWO ASI290 Mini

Focal reducers: Starizona SCT Corrector III - 0.63X

Software: Adobe Phosotshop CC  ·  Main Sequence Software Seqence Generator Pro 3  ·  Aries Productions Astro Pixel Processor APP

Filters: ZWO 31mm Lumance ZWO Lum  ·  ZWO 31mm Green Zwo Green  ·  ZWO 31mm Blue Zwo Blue  ·  ZWO 31mm Red ZWO Red 31mm

Accessory: Celestron OAG  ·  ZWO EFW 5x31


Dates:May 10, 2020

Frames:
ZWO 31mm Lumance ZWO Lum: 64x45" (gain: 139.00) -15C bin 2x2
ZWO 31mm Red ZWO Red 31mm: 10x120" (gain: 139.00) -15C bin 2x2
ZWO 31mm Blue Zwo Blue: 12x120" (gain: 139.00) -15C bin 2x2
ZWO 31mm Green Zwo Green: 10x120" (gain: 139.00) -15C bin 2x2

Integration: 1.9 hours

Darks: ~30

Avg. Moon age: 18.13 days

Avg. Moon phase: 87.69%

Bortle Dark-Sky Scale: 4.00

Mean SQM: 20.10

Mean FWHM: 4.00

Temperature: 13.00


Basic astrometry details

Astrometry.net job: 3819311

RA center: 13h 29' 55"

DEC center: +47° 8' 49"

Pixel scale: 0.860 arcsec/pixel

Orientation: 93.660 degrees

Field radius: 0.315 degrees


Resolution: 2105x1587

Locations: Garland Mountain, Canton, Georgia, United States

Data source: Traveller

Description

M51 was one of the first galaxies I viewed back in the 80's and is one of my favorites. I was fortunate to get an unusually cool and clear night for May in Georgia, much better conditions than I had expected. Moon rise limited my exposure to just under two hours, but given the relatively high brightness of M51 I think it was just enough.

Comments

Author

f300v10
Scott
License: Attribution-NonCommercial Creative Commons
2410
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Revisions

  • M51, 



    
        

            Scott
    Original
  • M51, 



    
        

            Scott
    D
  • Final
    M51, 



    
        

            Scott
    E

Sky plot

Sky plot

Histogram

M51, 



    
        

            Scott