Cookie consent

AstroBin saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing AstroBin without changing the browser settings, you grant us permission to store that information on your device.

I agree
Contains:  IC 4277, IC 4278, M 51, NGC 5194, NGC 5195, Whirlpool Galaxy
Getting plate-solving status, please wait...

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 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


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.



Nigel Bannister
License: None (All rights reserved)

Sky plot

Sky plot


Messier 51, 


            Nigel Bannister