Hemisphere:  Northern  ·  Constellation: Perseus (Per)  ·  Contains:  Double cluster  ·  NGC 869  ·  NGC 884
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The Perseus Double Cluster, 


            William Maxwell
The Perseus Double Cluster
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The Perseus Double Cluster

Technical card

Imaging telescopes or lenses: Meade Starfinder 8

Imaging cameras: Canon 500D Canon T1i

Mounts: Losmandy GM-8

Guiding telescopes or lenses: MEADE 50mm Finder Guidescope

Guiding cameras: ZWO ASI120MM

Software: Open Guiding PHD2 Guiding  ·  Adobe Photoshop CS4 Photoshop CS4  ·  Stark Labs Nebulosity Nebulosity 2.1.2

Dates:Aug. 15, 2017

Frames: 138x70"

Integration: 2.7 hours

Avg. Moon age: 22.62 days

Avg. Moon phase: 44.94%

Basic astrometry details

Astrometry.net job: 2172590

RA center: 2h 20' 35"

DEC center: +57° 9' 0"

Pixel scale: 0.399 arcsec/pixel

Orientation: 7.366 degrees

Field radius: 0.646 degrees

Resolution: 1824x1413

Data source: Backyard


Year three at astrophtography (excluding some attempts in the 1970s) and try three on these clusters. It has become a bit of a benchmark for me..

I also used some data from the previous year to "HDR" the core and brighter stars, but I can't remember what it was, so didn't include in the aquisition details. It was something like 12x 45 second subs.


Sky plot

Sky plot


The Perseus Double Cluster, 


            William Maxwell

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