Contains: NGC 884, Double cluster, NGC 869, The star 7Per, The star 8Per
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Double cluster

Technical card

Imaging telescope or lens: EF 75-300mm f/4-5.6

Imaging camera: Canon EOS 1100D / Rebel T3

Mount: EQ3-2

Software: IRIS

Resolution: 1399x2102

Dates: Sept. 25, 2013

Frames: 30x18"

Integration: 0.1 hours

Avg. Moon age: 20.66 days

Avg. Moon phase: 65.55% job: 115999

RA center: 35.219 degrees

DEC center: 57.154 degrees

Pixel scale: 5.357 arcsec/pixel

Orientation: 97.150 degrees

Field radius: 1.879 degrees


I'm currently learning to use IRIS and I was outside shooting Andromeda for learning material. I realized that I haven't seen the Double Cluster yet and since it seemed so easy to find visually, I took some photos of it too.



Mikko Laine

Sky plot

Sky plot


Double cluster, Mikko Laine