Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  IC 4277  ·  M 51  ·  NGC 5194  ·  NGC 5195  ·  Whirlpool Galaxy
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M51 - LRGB composite - 2019-2020, 



    
        

            altazastro
M51 - LRGB composite - 2019-2020
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M51 - LRGB composite - 2019-2020

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M51 - LRGB composite - 2019-2020, 



    
        

            altazastro
M51 - LRGB composite - 2019-2020
Powered byPixInsight

M51 - LRGB composite - 2019-2020

Acquisition details

Dates:
May 23, 2019 ·  June 21, 2020
Frames:
Meade IR Cut: 125×20(41′ 40″) (gain: 130.00) bin 1×1
Meade IR Cut: 136×20(45′ 20″) (gain: 200.00) bin 2×2
Integration:
1h 27′
Darks:
15
Flats:
20
Avg. Moon age:
9.75 days
Avg. Moon phase:
39.36%
Bortle Dark-Sky Scale:
9.00
Mean SQM:
17.80

Basic astrometry details

Astrometry.net job: 3626012

RA center: 13h29m52s.6

DEC center: +47°1351

Pixel scale: 1.146 arcsec/pixel

Orientation: 272.213 degrees

Field radius: 0.352 degrees

Resolution: 1801x1284

File size: 237.6 KB

Locations: Home, Turin, Italy

Data source: Backyard

Description

Luminance taken on May 23 2019 with the MAK 90 and the ZWO ASI 178MM and RGB taken with the ZWO ASI 385MC OSC and the Meade 2045D SCT on June 21 2020.

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M51 - LRGB composite - 2019-2020, 



    
        

            altazastro