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Contains:  NGC 5198, NGC 5195, Whirlpool galaxy, M 51, NGC 5194, IC 4263
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M51 Whirlpool Galaxy-RGB-Meade 80 ED triplet-Orion flattener-ASI 1600 MM-Pro-crop, 





    
        

            Adel Kildeev
M51 Whirlpool Galaxy-RGB-Meade 80 ED triplet-Orion flattener-ASI 1600 MM-Pro-crop

M51 Whirlpool Galaxy-RGB-Meade 80 ED triplet-Orion flattener-ASI 1600 MM-Pro-crop

Technical card

Resolution: 2220x1751

Dates:May 5, 2018

Frames:
ZWO B 1,25": 10x180" (gain: 139.00) -25C bin 1x1
ZWO G 1,25": 10x180" (gain: 139.00) -25C bin 1x1
ZWO Red 1.25": 10x180" (gain: 139.00) -25C bin 1x1

Integration: 1.5 hours

Darks: ~5

Flats: ~7

Avg. Moon age: 19.84 days

Avg. Moon phase: 73.59%

Astrometry.net job: 2044468

RA center: 13h 30' 0"

DEC center: +47° 11' 42"

Pixel scale: 1.631 arcsec/pixel

Orientation: 48.305 degrees

Field radius: 0.641

Locations: Home observatory, Toronto, Ontario, Canada

Description

I was forced to change scopes on the spot because Newton is needed serious re-collimation (both mirrors), coma is horrible. RGB only, I am still learning process properly L-channel, a lot of problems with background. R: 180 sec.x10, G: 180 sec.x10, B: 180 sec.x10, 5 darks, 7 flats.

Comments

Author

Starminer68
Adel Kildeev
License: None (All rights reserved)
800
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Revisions

  • M51 Whirlpool Galaxy-RGB-Meade 80 ED triplet-Orion flattener-ASI 1600 MM-Pro-crop, 





    
        

            Adel Kildeev
    Original
  • Final
    M51 Whirlpool Galaxy-RGB-Meade 80 ED triplet-Orion flattener-ASI 1600 MM-Pro-crop, 





    
        

            Adel Kildeev
    B

B

Played with colors, looks more natural now

Sky plot

Sky plot

Histogram

M51 Whirlpool Galaxy-RGB-Meade 80 ED triplet-Orion flattener-ASI 1600 MM-Pro-crop, 





    
        

            Adel Kildeev