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:  M 101, NGC 5457, NGC 5461, NGC 5473, NGC 5477
Getting plate-solving status, please wait...
M101 Galaxy, 


            Boštjan Zagradišnik
M101 Galaxy
Powered byPixInsight

M101 Galaxy

Technical card

Dates:March 16, 2020March 17, 2020

ZWO 31mm Blue Filter: 50x180" bin 1x1
ZWO 31mm Blue Filter: 120x60" bin 1x1
ZWO 31mm Green Filter: 51x180" bin 1x1
ZWO 31mm Green Filter: 109x60" bin 1x1
ZWO 31mm Luminance Filter: 133x180" bin 1x1
ZWO 31mm Luminance Filter: 101x60" bin 1x1
ZWO 31mm Red Filter: 35x180" bin 1x1
ZWO 31mm Red Filter: 75x60" bin 1x1

Integration: 20.2 hours

Avg. Moon age: 22.72 days

Avg. Moon phase: 43.94%

Basic astrometry details job: 3375315

RA center: 14h 2' 55"

DEC center: +54° 21' 46"

Pixel scale: 0.976 arcsec/pixel

Orientation: 273.917 degrees

Field radius: 0.765 degrees

Resolution: 4544x3345

Data source: Backyard


M101 Galaxy captured using 115mm TS triplet @ 805mm F7.
Bad seeing was the biggest factor for this object. Some nights the HFD was around 2 the other nights it was 4 and produced useless blurry pictures which didn't make it to stacking process.

NOTE:I need to edit my gear settings.



Boštjan Zagradišnik
License: None (All rights reserved)


  • M101 Galaxy, 


            Boštjan Zagradišnik
  • Final
    M101 Galaxy, 


            Boštjan Zagradišnik


Description: Reprocessed the image from scratch. Better DBE, color calibration and noise reduction.

Sky plot

Sky plot


M101 Galaxy, 


            Boštjan Zagradišnik