Hemisphere:  Northern  ·  Contains:  M 108  ·  NGC 3448  ·  NGC 3556  ·  NGC 3642  ·  The star 43UMa  ·  The star 44UMa  ·  The star Merak (βUMa)
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M 97 & M 108 Widefield [200mm], 



    
        

            ThomasR
M 97 & M 108 Widefield [200mm]
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M 97 & M 108 Widefield [200mm]

Technical card

Imaging telescopes or lenses: Canon EF 200mm f/2.8 L USM II @f/5.6

Imaging cameras: Canon 60D

Mounts: SkyWatcher Star Adventurer

Software: fitswork4  ·  Adobe Lighroom  ·  Photoshop  ·  DeepSky Stacker (DSS) Deepskystacker3.3.6

Accessory: Berlebach Report 312 Astro


Dates:Dec. 18, 2017

Frames: 18x105" ISO800

Integration: 0.5 hours

Darks: ~10

Bias: ~20

Avg. Moon age: 0.19 days

Avg. Moon phase: 0.04%


Basic astrometry details

Astrometry.net job: 3256817

RA center: 11h 10' 54"

DEC center: +56° 13' 44"

Pixel scale: 4.554 arcsec/pixel

Orientation: 32.104 degrees

Field radius: 3.644 degrees


Resolution: 4792x3196

Locations: Balkon, Dresden, Sachsen, Germany

Data source: Backyard

Description

After a long time of bad weather conditions there was a short period without clouds. Something was wrong with the polar alignment, so only 18 images were processed.

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Author

astro_willy
ThomasR
License: None (All rights reserved)
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M 97 & M 108 Widefield [200mm], 



    
        

            ThomasR