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Contains:  M 84, M 86, NGC 4374, NGC 4387, NGC 4388, NGC 4402, NGC 4406, NGC 4413, NGC 4425, NGC 4435, NGC 4438, NGC 4458, NGC 4459, NGC 4461, NGC 4468, NGC 4473, NGC 4474, NGC 4477, NGC 4479, The Eyes
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Markarian's Chain, 


            John Butler
Markarian's Chain
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Markarian's Chain

Imaging telescopes or lenses: Stellarvue SV080ST-25FT

Imaging cameras: ZWO ASI1600MM-Cool

Mounts: CEM60

Guiding telescopes or lenses: Starlight Xpress Slimline OAG - Lodestar X2

Focal reducers: Stellarvue SFF6-25

Software: OpenPHD PHD2 Guiding  ·  Seqence Generator Pro  ·  PixInsight

Filters: Astrodon Red Tru-Balance E-Series Gen 2  ·  Astrodon L Gen.2 E-series  ·  Astrodon Blue Tru-Balance E-Series Gen 2  ·  Astrodon Green Tru-Balance E-Series Gen 2

Dates:March 6, 2017

Astrodon Blue Tru-Balance E-Series Gen 2: 300x8" (gain: 200.00) -20C bin 1x1
Astrodon Green Tru-Balance E-Series Gen 2: 210x12" (gain: 200.00) -20C bin 1x1
Astrodon L Gen.2 E-series: 594x4" (gain: 200.00) -20C bin 1x1
Astrodon Red Tru-Balance E-Series Gen 2: 60x45" (gain: 200.00) -20C bin 1x1

Integration: 2.8 hours

Darks: ~25

Flats: ~50

Bias: ~100

Avg. Moon age: 8.47 days

Avg. Moon phase: 61.47%

Bortle Dark-Sky Scale: 7.00 job: 1488486

RA center: 12h 27' 29"

DEC center: +13° 21' 0"

Pixel scale: 2.023 arcsec/pixel

Orientation: 73.302 degrees

Field radius: 1.118 degrees

Resolution: 3332x2172

Locations: Backyard, Edison, New Jersey, United States



John Butler
License: None (All rights reserved)

Sky plot

Sky plot


Markarian's Chain, 


            John Butler

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Northeast Imagers