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Contains:  IC 4277, IC 4278, M 51, NGC 5194, NGC 5195, Whirlpool Galaxy
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Technical card


Dates:May 1, 2020

Frames: 141x600" bin 0x0

Integration: 23.5 hours

Avg. Moon age: 8.07 days

Avg. Moon phase: 57.25%


Basic astrometry details

Astrometry.net job: 3498388

RA center: 13h 29' 53"

DEC center: +47° 11' 52"

Pixel scale: 0.333 arcsec/pixel

Orientation: 201.347 degrees

Field radius: 0.160 degrees


Resolution: 2706x2172

Locations: Oakham, Rutland, United Kingdom

Data source: Backyard

Description

This is an LRGB image with H-alpha data added to the red channel.

600 second subs in the ratio 40:27:17:21:36 (L:R:G:B:Ha)

Celestron Edge 14 with 0.72 reducer
Atik 460ex mono + EFW2 filter wheel
1.25" Baader filters

100% processed in PixInsight, using workflow and techniques from Harry's Astroshed, and the Ha + Red combination method of Vicent Peris.

Comments

Author

NigeB
Nigel Bannister
License: None (All rights reserved)
2791
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Messier 51, 



    
        

            Nigel Bannister