Hemisphere:  Northern  ·  Constellation: Virgo (Vir)  ·  Contains:  IC 3311  ·  IC3258  ·  IC3280  ·  IC3303  ·  IC3305  ·  IC3311  ·  IC3331  ·  IC3344  ·  IC3349  ·  IC3355  ·  IC3363  ·  IC3382  ·  IC3388  ·  IC3393  ·  IC794  ·  M 84  ·  M 86  ·  M84  ·  M86  ·  NGC 4305  ·  NGC 4374  ·  NGC 4388  ·  NGC 4402  ·  NGC 4406  ·  NGC 4413  ·  NGC 4425  ·  NGC 4435  ·  NGC 4438  ·  NGC 4459  ·  NGC 4461  ·  And 29 more.
Getting plate-solving status, please wait...
Markarian Chain, 



    
        

            Miroslav Horvat
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Markarian Chain

Getting plate-solving status, please wait...
Markarian Chain, 



    
        

            Miroslav Horvat
Powered byPixInsight

Markarian Chain

Technical card

Imaging telescopes or lenses: SkyWatcher ED80 ED APO

Imaging cameras: QHY8 - 6.0 Megapixel One Shot Color CCD

Mounts: Skywatcher NEQ6 Pro Goto

Guiding telescopes or lenses: 9x50 Skywatcher finder-guider 9x50 finder-guider

Guiding cameras: QHYCCD QHY5L-IIc

Focal reducers: Skywatcher 0.85x Reducer & Flattener

Software: Adobe Photoshop CS6  ·  PixInsight 1.8 Ripley  ·  Nebulosity3


Dates:March 31, 2017

Frames: 13x1200" (4h 20') (gain: 3.00) -26C bin 1x1

Integration: 4h 20'

Avg. Moon age: 3.80 days

Avg. Moon phase: 15.44%


Astrometry.net job: 1523928

RA center: 12h 27' 49"

DEC center: +12° 59' 24"

Pixel scale: 3.078 arcsec/pixel

Orientation: 138.335 degrees

Field radius: 1.501 degrees


Resolution: 2908x1968

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