Hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  NGC 4145  ·  NGC 4151  ·  NGC 4244
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The "Eye of Sauron" and the "Silver Needle Galaxy" - Wide Field, 



    
        

            gigiastro
The "Eye of Sauron" and the "Silver Needle Galaxy" - Wide Field
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The "Eye of Sauron" and the "Silver Needle Galaxy" - Wide Field

Getting plate-solving status, please wait...
The "Eye of Sauron" and the "Silver Needle Galaxy" - Wide Field, 



    
        

            gigiastro
The "Eye of Sauron" and the "Silver Needle Galaxy" - Wide Field
Powered byPixInsight

The "Eye of Sauron" and the "Silver Needle Galaxy" - Wide Field

Technical card

Imaging telescopes or lenses: Canon EF 400mm f/5,6L USM

Imaging cameras: Canon EOS 60Da

Mounts: iOptron ZEQ25GT

Software: PixInsight  ·  DeepSkyStacker 3.3.4  ·  Noel Carboni's StarSpikes Pro 4  ·  Noel Carboni's Actions  ·  Elements Photoshop


Dates:Feb. 15, 2018

Frames: 418x30" (3h 29')

Integration: 3h 29'

Avg. Moon age: 29.18 days

Avg. Moon phase: 0.14%


Basic astrometry details

Astrometry.net job: 1950686

RA center: 12h 14' 4"

DEC center: +38° 46' 1"

Pixel scale: 2.260 arcsec/pixel

Orientation: 1.017 degrees

Field radius: 1.635 degrees


Resolution: 3174x4130

Locations: Home, Mestre, Venezia, Italy

Data source: Backyard

Description

Seyfert galaxy NGC 4151 (the "Eye of Sauron";

Edge-on spiral galaxy NGC 4244 (the "Silver Needle Galaxy"

and surroundings (NGC 4145, NGC 4156, IC 3022, UGC 7175, UGC 7145...).

Darkness: Bortle's class 7~8

seeing 2~3 (Antoniadi)

418x30s ISO 1600

20 dark

30 flat

10 dark flat

no bias

(unguided)

Comments

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The "Eye of Sauron" and the "Silver Needle Galaxy" - Wide Field, 



    
        

            gigiastro