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Contains:  M 1, Crab nebula, NGC 1952
Getting plate-solving status, please wait...
M1 - Crab nebula - 2018, 





    
        

            alexbb
M1 - Crab nebula - 2018

M1 - Crab nebula - 2018

Technical card

Resolution: 1600x1200

Dates:Oct. 24, 2018Oct. 30, 2018Nov. 5, 2018Nov. 6, 2018Nov. 7, 2018Nov. 8, 2018

Frames:
ZWO B 1.25": 55x120" (gain: 76.00) -15C bin 1x1
ZWO G 1.25": 55x120" (gain: 76.00) -15C bin 1x1
Optolong Ha 7nm: 44x300" (gain: 139.00) -15C bin 1x1
Optolong Ha 7nm: 46x300" (gain: 139.00) -25C bin 1x1
Baader IR685: 55x120" (gain: 76.00) -15C bin 1x1
Optolong OIII 6.5nm: 82x300" (gain: 139.00) -15C bin 1x1
ZWO R 1.25": 43x120" (gain: 76.00) -15C bin 1x1

Integration: 21.3 hours

Avg. Moon age: 20.20 days

Avg. Moon phase: 28.59%

Astrometry.net job: 2386071

RA center: 83.637 degrees

DEC center: 22.029 degrees

Pixel scale: 1.085 arcsec/pixel

Orientation: 181.882 degrees

Field radius: 0.301 degrees

Data source: Backyard

Description

It was a challenge to combine all channels into a single decent looking colour image.
For this I used RGB, iR pass, Ha and OIII.
Through the 8" dob's tube worn by the EQ6-R I shot about 8h on each narrowband and about 2h on each RGB and iR.

Comments

Author

alexbb
alexbb
License: None (All rights reserved)
5006
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Revisions

  • Final
    M1 - Crab nebula - 2018, 





    
        

            alexbb
    Original
  • M1 - Crab nebula - 2018, 





    
        

            alexbb
    B

B

Channels stretched

Sky plot

Sky plot

Histogram

M1 - Crab nebula - 2018, 





    
        

            alexbb