Hemisphere:  Northern  ·  Contains:  Great Nebula in Andromeda  ·  M 31  ·  M 32  ·  NGC 221  ·  NGC 224
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M31 second attempt, 



    
        

            ggim
M31 second attempt
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M31 second attempt

Technical card

Imaging telescopes or lenses: Celestron C8 XLT SCT

Imaging cameras: Nikon D700

Mounts: Skywatcher AZ-EQ6 GT

Focal reducers: Celestron Reducer/Corrector 0.63x

Software: https://github.com/ploki/Not-So-Original No-So-Original


Dates:Aug. 22, 2015

Frames: 105x60" ISO800

Integration: 1.8 hours

Darks: ~105

Flats: ~32

Flat darks: ~32

Avg. Moon age: 7.11 days

Avg. Moon phase: 47.05%

Bortle Dark-Sky Scale: 4.00


Basic astrometry details

Astrometry.net job: 786903

RA center: 0h 42' 30"

DEC center: +41° 16' 22"

Orientation: -80.297 degrees

Field radius: 0.583 degrees


Resolution: 2774x1798

Data source: Traveller

Description

Next time :
- get rid of the D700's blooming
- better tune the reducer corrector to prevent coma (this time was 85mm, next time will be about 120-130mm)
- expose more
- succeed alignment :)

Comments

Author

ggim
ggim
License: None (All rights reserved)
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Revisions

  • M31 second attempt, 



    
        

            ggim
    Original
  • Final
    M31 second attempt, 



    
        

            ggim
    B

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M31 second attempt, 



    
        

            ggim