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Contains:  NGC 457, The star φCas
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NGC 457 - Owl Cluster/ET Cluster, 


            Bob Stewart
NGC 457 - Owl Cluster/ET Cluster

NGC 457 - Owl Cluster/ET Cluster

Technical card

Imaging telescope or lens:Celestron EdgeHD 8

Imaging camera:ZWO ASI071MC Cooled


Guiding telescope or lens:Celestron 9x50 Finderscope

Guiding camera:ZWO ASI224MC

Focal reducer:Celestron C8 Edge HD 0.7x Focal Reducer

Software:PoleMasterPhotoshop CCPHD2AstroPhotography ToolDeep Sky Stacker

Resolution: 3358x2211

Dates:Nov. 23, 2019

Frames: 12x180" (gain: 110.00) -5C bin 1x1

Integration: 0.6 hours

Flats: ~25

Avg. Moon age: 26.10 days

Avg. Moon phase: 12.77%

Bortle Dark-Sky Scale: 3.00 job: 3080010

RA center: 1h 19' 41"

DEC center: +58° 16' 26"

Pixel scale: 0.664 arcsec/pixel

Orientation: 264.442 degrees

Field radius: 0.371

Locations: ASKC DSS, Amoret, Missouri, United States

Data source: Backyard



Bob Stewart
License: None (All rights reserved)

Sky plot

Sky plot


NGC 457 - Owl Cluster/ET Cluster, 


            Bob Stewart