Hemisphere:  Northern  ·  Contains:  Double cluster  ·  NGC 869  ·  NGC 884  ·  The star 7Per
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Double Cluster (NGC 884 & NGC 869), 


Double Cluster (NGC 884 & NGC 869)
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Double Cluster (NGC 884 & NGC 869)

Technical card

Imaging telescopes or lenses: Sky-Watcher Explorer 130 PDS

Imaging cameras: Canon EOS 450D

Mounts: EQ3-2

Accessory: Baader MPCC Mark II

Dates:Aug. 8, 2015

Frames: 19x61" ISO1600

Integration: 0.3 hours

Darks: ~13

Flats: ~9

Avg. Moon age: 23.62 days

Avg. Moon phase: 34.63%

Bortle Dark-Sky Scale: 5.00

Temperature: 18.00

Basic astrometry details

Astrometry.net job: 723988

RA center: 2h 19' 42"

DEC center: +57° 10' 15"

Pixel scale: 1.635 arcsec/pixel

Orientation: 152.062 degrees

Field radius: 1.150 degrees

Resolution: 620x403

Locations: Home, Kaunas, Lithuania


Revisited the magnificent Double Cluster (NGC 884 & NGC 869) in Perseus. When compared to the previous take from last year, the progress is noticeable. Still, I feel like it can be done better, though I will need a better mount for this. The EQ3-2 is just not meant for long exposure times. Luckily, open clusters such as this lend themselves to shorter exposures very well.



License: None (All rights reserved)

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Double Cluster (NGC 884 & NGC 869),