Hemisphere:  Northern  ·  Constellation: Perseus (Per)  ·  Contains:  Double cluster  ·  NGC 869  ·  NGC 884  ·  The star 7Per  ·  The star 8Per
Dubbele cluster, 


            Patrick Buysse
Dubbele cluster
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Dubbele cluster

Technical card

Imaging telescopes or lenses: Orion ED80 F7.5

Imaging cameras: Canon 450d

Mounts: Skywatcher HEQ6 PRO

Software: Deep Sky Stacker 3.3.4 DeepSky Stacker 3.3.4  ·  GIMP 2.9

Accessory: Acer aspire V17 Nitro

Dates:April 18, 2015

Frames: 100x4" ISO400

Integration: 0.1 hours

Darks: ~5

Avg. Moon age: 29.21 days

Avg. Moon phase: 0.12%

Basic astrometry details

Astrometry.net job: 610615

RA center: 2h 16' 12"

DEC center: +57° 20' 9"

Pixel scale: 1.789 arcsec/pixel

Orientation: -154.673 degrees

Field radius: 1.211 degrees

Resolution: 4190x2487

Locations: Home, Bassevelde, Oost-vlaanderen, Belgium


Picture taken with a not perfect polar alignment.


Sky plot

Sky plot


Dubbele cluster, 


            Patrick Buysse