Hemisphere:  Northern  ·  Constellation: Virgo (Vir)  ·  Contains:  M 84  ·  M 86  ·  NGC 4374  ·  NGC 4388  ·  NGC 4402  ·  NGC 4406  ·  NGC 4407  ·  NGC 4425  ·  NGC 4435  ·  NGC 4438  ·  NGC 4461  ·  NGC 4473  ·  NGC 4477
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Markarian's Chain, 



    
        

            Greg Derksen
Markarian's Chain
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Markarian's Chain

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



    
        

            Greg Derksen
Markarian's Chain
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Markarian's Chain

Technical card

Imaging telescopes or lenses: Explore Scientific ED80 APO Triplet FCD 100

Imaging cameras: ZWO ASI294MC Pro

Mounts: SkyWatcher EQ6-R Pro

Guiding telescopes or lenses: Orion 50mm Deluxe Guidescope

Guiding cameras: QHYCCD QHY5L-II-M

Focal reducers: Starfield Field Flattener 1.0x

Software: PHD2  ·  Photoshop  ·  DeepSky Stacker  ·  Astrophotography Tool


Dates:Feb. 14, 2021

Frames: 94x180" (4h 42') (gain: 125.00) -25C bin 1x1

Integration: 4h 42'

Darks: ~20

Flats: ~20

Flat darks: ~20

Avg. Moon age: 2.63 days

Avg. Moon phase: 7.61%

Bortle Dark-Sky Scale: 4.00


Basic astrometry details

Astrometry.net job: 4483664

RA center: 12h 26' 10"

DEC center: +12° 56' 13"

Pixel scale: 1.999 arcsec/pixel

Orientation: 63.675 degrees

Field radius: 1.332 degrees


Resolution: 3903x2788

Data source: Backyard

Description

I could have done a better job with the FOV to center all these galaxies... next year.

Comments

Sky plot

Sky plot

Histogram

Markarian's Chain, 



    
        

            Greg Derksen