Celestial hemisphere:  Northern  ·  Constellation: Andromeda (And)  ·  Contains:  Andromeda Galaxy  ·  M 31  ·  M 32  ·  NGC 221  ·  NGC 224
M31 heart, 



    
        

            ggim
M31 heart
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M31 heart

M31 heart, 



    
        

            ggim
M31 heart
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M31 heart

Acquisition details

Dates:
Aug. 22, 2015
Frames:
105×60(1h 45′) ISO800
Integration:
1h 45′
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: 5290025

RA center: 00h42m41s.5

DEC center: +41°1514

Pixel scale: 1.270 arcsec/pixel

Orientation: 260.345 degrees

Field radius: 0.529 degrees

Resolution: 2503x1649

File size: 1.1 MB

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

Revisions

  • M31 heart, 



    
        

            ggim
    Original
  • M31 heart, 



    
        

            ggim
    B
  • Final
    M31 heart, 



    
        

            ggim
    C

Sky plot

Sky plot

Histogram

M31 heart, 



    
        

            ggim