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Contains:  Crescent nebula, NGC 6888, The star 34Cyg
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Crescent and soap

Technical card

Resolution: 3024x2288

Dates:June 1, 2018June 3, 2018June 4, 2018June 5, 2018June 7, 2018June 9, 2018June 11, 2018June 14, 2018June 19, 2018June 23, 2018June 24, 2018

Frames:
132x90" ISO400
ZWO B 1.25": 45x60" (gain: 76.00) -14C bin 1x1
ZWO G 1.25": 45x60" (gain: 76.00) -14C bin 1x1
Optolong Ha 7nm: 85x300" (gain: 139.00) -15C bin 1x1
Optolong OIII 6.5nm: 98x300" (gain: 139.00) -15C bin 1x1
ZWO R 1.25": 45x60" (gain: 76.00) -14C bin 1x1

Integration: 20.8 hours

Avg. Moon age: 16.47 days

Avg. Moon phase: 53.31%

Astrometry.net job: 2499198

RA center: 303.509 degrees

DEC center: 38.794 degrees

Pixel scale: 2.853 arcsec/pixel

Orientation: 88.799 degrees

Field radius: 1.503 degrees

Data source: Backyard

Description

1. DSLR data with the 72ED on the EQ5. The image is split into RGB channels, realigned and combined back. STF
2. DSLR data from 1. + RGB with filters and Esprit
3. Ha - STF
4. O[III] - STF
5. RGB-HOO

Comments

Author

alexbb
alexbb
License: None (All rights reserved)
172310
Like

Revisions

C

DSLR data + RGB combined

D

Ha layer. STF

E

O[III] layer - STF

F

RGB-HOO

G

Slightly more saturated in red

I

one more stretch

J

More colourful and colder reds

Sky plot

Sky plot

Histogram

Crescent and soap, 





    
        

            alexbb