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Contains:  NGC 5477, M 101, NGC 5457
Getting plate-solving status, please wait...
M101 with Samyang 135mm and ASI178MM, 





    
        

            netspoon
M101 with Samyang 135mm and ASI178MM

M101 with Samyang 135mm and ASI178MM

Technical card

Resolution: 2000x1376

Dates:May 5, 2019

Frames:
Baader B 1.25'' Filter: 54x30" (gain: 150.00) 14C
Baader G 1.25'' Filter: 48x30" (gain: 150.00) 14C
Baader R 1.25'' Filter: 42x30" (gain: 150.00) 14C
Baader UV/IR Cut: 75x30" (gain: 150.00) 14C

Integration: 1.8 hours

Darks: ~254

Avg. Moon age: 0.54 days

Avg. Moon phase: 0.32%

Bortle Dark-Sky Scale: 3.00

Astrometry.net job: 2684377

RA center: 210.782 degrees

DEC center: 54.336 degrees

Pixel scale: 2.762 arcsec/pixel

Orientation: 182.592 degrees

Field radius: 0.931 degrees

Data source: Traveller

Description

- My first LRGB picture !

- Stacked in DSS, drizzle x3, 90% of light kept.

- I need do improve the SNR by doing more integration time and maybe longer exposures with guiding.

Comments

Author

netspoon
netspoon
License: None (All rights reserved)
1472
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Revisions

  • Final
    M101 with Samyang 135mm and ASI178MM, 





    
        

            netspoon
    Original
  • M101 with Samyang 135mm and ASI178MM, 





    
        

            netspoon
    B

B

Widefield version

Sky plot

Sky plot

Histogram

M101 with Samyang 135mm and ASI178MM, 





    
        

            netspoon

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Samyang 135 f/2