Hemisphere:  Northern  ·  Contains:  10 Per  ·  5 Per  ·  7 chi Per  ·  8 Per  ·  9 i Per  ·  B201  ·  Double cluster  ·  Misam  ·  NGC 869  ·  NGC 884  ·  NGC 957  ·  NGC869  ·  NGC884  ·  NGC957  ·  The star 7Per  ·  The star 8Per  ·  The star 9Per
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The Double Cluster, 


            Nico Carver
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The Double Cluster

Imaging telescopes or lenses: Canon 200 mm f/2.8 L II USM  ·  Stellarvue SVQ86

Imaging cameras: Nikon D800 Mod  ·  ZWO ASI1600MM-Cool

Mounts: Skywatcher EQ6-R Pro  ·  Orion Atlas EQ-G

Guiding telescopes or lenses: Astromania 60mm Guide Scope  ·  Orion 50mm Guide Scope with helical focusing

Guiding cameras: ZWO ASI290MM Mini  ·  QHYCCD 5L-II M

Software: Photoshop CS6  ·  PHD2 Guiding  ·  Main Sequence Software Sequence Generator Pro  ·  Pixinsight 1.8  ·  Nikita Misiura Starnet++  ·  DC-3 Dreams Pinpoint  ·  Cartes du Ciel

Filters: Astrodon Tru-Balance 1.25" 5nm Ha

Accessory: Shoestring Astronomy EQDIR

Dates:Nov. 16, 2019Nov. 22, 2019

20x60" ISO400
Astrodon Tru-Balance 1.25" 5nm Ha: 72x300" (gain: 200.00) -15C bin 1x1

Integration: 6.3 hours

Darks: ~30

Flats: ~30

Flat darks: ~30

Avg. Moon age: 21.81 days

Avg. Moon phase: 52.81%

Bortle Dark-Sky Scale: 9.00

Astrometry.net job: 3075006

RA center: 2h 27' 25"

DEC center: +57° 0' 19"

Pixel scale: 4.669 arcsec/pixel

Orientation: 23.313 degrees

Field radius: 2.844 degrees

Resolution: 3820x2152

Locations: Backyard, Somerville, MA, United States

Data source: Backyard


This is my first experiment with running two full rigs at once. All was shot from my backyard in Somerville, MA (Bortle 9).

H-alpha: ZWO ASI-1600MM-C and Canon 200mm f/2.8 L wide open.
RGB: Nikon D800 (Mod) and Stellarvue SVQ86

This is part of a much larger mosaic I am working on, but I wanted to do a version where the double cluster was emphasized.



Nico Carver
License: Attribution-ShareAlike Creative Commons

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The Double Cluster, 


            Nico Carver