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Markarian Chain, 



    
        

            Neb_34
Markarian Chain
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Markarian Chain

Technical card

Imaging telescopes or lenses: William Optics Refractor 80mm f/6.9

Imaging cameras: QHY9

Mounts: Sky-Watcher EQ6 Syntreck

Guiding telescopes or lenses: ATM 75/300mm refractor

Guiding cameras: QHY5

Focal reducers: William Optics 0.8x Field Flattener Type II

Software: PixInsight  ·  PHD guiding  ·  EQMOD  ·  Cartes du Ciel

Filters: Hutech IDAS LPS II  ·  QHYCCD QHY RGB

Accessory: Bahtinov Focus Mask


Dates:April 4, 2016April 9, 2016

Frames:
Hutech IDAS LPS II: 78x300" (6h 30') -20C bin 1x1
QHYCCD QHY RGB: 20x180" (1h) -20C bin 1x1

Integration: 7h 30'

Darks: 64

Flats: 24

Flat darks: 24

Avg. Moon age: 14.25 days

Avg. Moon phase: 9.40%

Mean SQM: 19.00


Basic astrometry details

Astrometry.net job: 1268653

RA center: 12h26m57s

DEC center: +12°5826

Pixel scale: 2.463 arcsec/pixel

Orientation: 178.836 degrees

Field radius: 0.815 degrees


Resolution: 620x458

Locations: Home observatory, Aljarafe (Seville), Spain

Description

My first LRGB image. I had some condensation problems on G and B filters which results in some ugly backgrund patches.

Comments

Sky plot

Sky plot

Histogram

Markarian Chain, 



    
        

            Neb_34