Celestial hemisphere:  Northern  ·  Constellation: Perseus (Per)  ·  Contains:  Double cluster  ·  NGC 869  ·  NGC 884  ·  The star 7Per
20160227 C14 - Reprocessed, Mike Pusatera
20160227 C14 - Reprocessed
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20160227 C14 - Reprocessed

Equipment

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Acquisition details

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Description

C14 - the Double Cluster is a highlight in Perseus near Cassiopeia. Containing both the NGC869 and NGC884 open clusters, it was discovered as early as 130 B.C by Hipparchus. First catalogued in the early 1800's, William Herschel identified the clusters as separate objects. It is located approximately 7500 light years away.

Acquisition:

Imaged on 2/22/16 and 2/27/16 from Lake St Louis, MO

Integration: 4 hours (LRGB)

Luminance: 12x600s @ 1x1 (120')

R/G/B: 8/8/8 x 300s @ 2x2 (40'/40'/40')

Equipment

Scope: William Optics GTF 81 5 element refractor (535mm focal length)

Upgraded with Moonlite CF focuser with motor

Imager: QHY9Ms with Olivon OAG and QHYCFW2-s filter wheel

Guidecam: ASI120MM

Filters: Baader LRGB

Mount: Orion Atlas EQ-G

Processing and Software

Guiding with PHD2

Acquisition with Sequence Generator Pro

Integration and processing with PixInsight 1.8

C14 - The Double Cluster: https://flic.kr/p/Jhceke

Annotated image: https://flic.kr/p/JnMjF1

‪#‎DoubleCluster‬ ‪#‎C14‬ ‪#‎NGC884‬ ‪#‎NGC869‬ ‪#‎Cluster‬ ‪#‎Space‬ ‪#‎Astronomy‬ ‪#‎Astrophotography‬

Comments

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Sky plot

Histogram

20160227 C14 - Reprocessed, Mike Pusatera