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 5485, NGC 5474, NGC 5473, M 101, NGC 5457
Getting plate-solving status, please wait...
M101 with Samyang 135, 





    
        

            Ben
M101 with Samyang 135

M101 with Samyang 135

Technical card

Resolution: 3765x2810

Dates:April 30, 2019

Frames:Baader UV/IR Cut: 193x30" (gain: 150.00) 21C

Integration: 1.6 hours

Darks: ~161

Flats: ~100

Avg. Moon age: 25.33 days

Avg. Moon phase: 18.68%

Bortle Dark-Sky Scale: 3.00

Astrometry.net job: 2709771

RA center: 210.688 degrees

DEC center: 54.329 degrees

Pixel scale: 1.990 arcsec/pixel

Orientation: 355.071 degrees

Field radius: 1.298 degrees

Data source: Traveller

Description

My best attempt at shooting M101

- Lens opened at f/2.8 => better sharpness than f/2 I previously used

- Better location, less polluted

- Lot of darks used, made at home with a cooling/regulation setup to match the light temperatures

Comments

Author

netspoon
Ben
License: None (All rights reserved)
1790
Like

Revisions

  • M101 with Samyang 135, 





    
        

            Ben
    Original
  • Final
    M101 with Samyang 135, 





    
        

            Ben
    B

B

Reprocessed

Sky plot

Sky plot

Histogram

M101 with Samyang 135, 





    
        

            Ben

In these public groups

Samyang 135 f/2