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:  NGC 457, The star φCas
Getting plate-solving status, please wait...
NGC457 - The Owl Cluster (LRGB), 


            Frank Breslawski
NGC457 - The Owl Cluster (LRGB)

NGC457 - The Owl Cluster (LRGB)

Technical card

Resolution: 3195x2367

Dates:Oct. 5, 2018

Astronomik Deep-Sky B: 15x300" -20C bin 1x1
Astronomik Deep-Sky G: 15x300" -20C bin 1x1
Astronomik Deep-Sky R: 15x300" -20C bin 1x1
Astronomik L-2 UV-IR Block: 37x300" -20C bin 1x1

Integration: 6.8 hours

Darks: ~50

Flats: ~10

Bias: ~200

Avg. Moon age: 25.51 days

Avg. Moon phase: 17.22%

Bortle Dark-Sky Scale: 4.00 job: 2422248

RA center: 19.929 degrees

DEC center: 58.263 degrees

Pixel scale: 0.928 arcsec/pixel

Orientation: 86.750 degrees

Field radius: 0.512 degrees

Locations: Home, Bergisches Land, Germany

Data source: Backyard


Between all the nebula images I also wanted to catch a "simple" star cluster again. In the beginning of October the Owl Nebula offered itself very well for this, so that I could do all the LRGB exposures in one night.

An object that looks visual just as beautiful as it does photographically. :-)



Frank Breslawski
License: Attribution-NonCommercial-ShareAlike Creative Commons


  • NGC457 - The Owl Cluster (LRGB), 


            Frank Breslawski
  • Final
    NGC457 - The Owl Cluster (LRGB), 


            Frank Breslawski


darkend the background a bit

Sky plot

Sky plot


NGC457 - The Owl Cluster (LRGB), 


            Frank Breslawski

In these public groups

Fast Newtonians