Hemisphere:  Northern  ·  Constellation: Virgo (Vir)  ·  Contains:  IC 3311  ·  M 86  ·  NGC 4387  ·  NGC 4388  ·  NGC 4402  ·  NGC 4406  ·  NGC 4413  ·  NGC 4425  ·  NGC 4431  ·  NGC 4435  ·  NGC 4436  ·  NGC 4438  ·  NGC 4440  ·  NGC 4458  ·  NGC 4461  ·  NGC 4473  ·  NGC 4476  ·  NGC 4477  ·  NGC 4478  ·  NGC 4479  ·  The Eyes
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Markarian's Chain, 



    
        

            Alan Pham
Markarian's Chain
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Markarian's Chain

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



    
        

            Alan Pham
Markarian's Chain
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Markarian's Chain

Technical card

Imaging telescopes or lenses: Stellarvue SV4

Imaging cameras: ZWO ASI1600MM-Cool

Mounts: Orion Sirius EQ-G

Guiding telescopes or lenses: Orion Mini 50mm Guide Scope

Guiding cameras: QHY5L-II-M

Focal reducers: Astro Tech 0.8x Reducer/Flattener

Software: PHD2  ·  Sequence Generator Pro

Filters: Astrodon LRGB 1.25" E series Gen 2

Accessory: QHY PoleMaster


Dates:April 29, 2017April 30, 2017

Frames:
Astrodon B Tru-Balance E-Series Gen 2: 30x60" (30') (gain: 0.00) -15C bin 1x1
Astrodon G Tru-Balance E-Series Gen 2: 30x60" (30') (gain: 0.00) -15C bin 1x1
Astrodon L Tru-Balance E-Series Gen 2: 120x60" (2h) (gain: 0.00) -15C bin 1x1
Astrodon R Tru-Balance E-Series Gen 2: 30x60" (30') (gain: 0.00) -15C bin 1x1

Integration: 3h 30'

Avg. Moon age: 4.02 days

Avg. Moon phase: 17.42%


Basic astrometry details

Astrometry.net job: 1613913

RA center: 12h 28' 5"

DEC center: +13° 2' 52"

Pixel scale: 1.380 arcsec/pixel

Orientation: 93.356 degrees

Field radius: 1.065 degrees


Resolution: 4552x3188

Locations: RCDO, San Jose, California, United States

Data source: Backyard

Description

Lum was taken from a semi-dark site. RGB were taken from my backyard in a red zone. I could've framed it better to get more of the chain. Oh well, guess there's always next year.

Comments

Revisions

  • Markarian's Chain, 



    
        

            Alan Pham
    Original
  • Markarian's Chain, 



    
        

            Alan Pham
    B
  • Markarian's Chain, 



    
        

            Alan Pham
    C
  • Markarian's Chain, 



    
        

            Alan Pham
    D
  • Final
    Markarian's Chain, 



    
        

            Alan Pham
    E

B

Description: Boosted the saturation a tiny bit.

Uploaded: ...

C

Description: Cropped out M87.

Uploaded: ...

D

Description: Rebalanced the color a bit and made a few tweaks.

Uploaded: ...

E

Description: Boosted the saturation a little. Seemed to bring out more details.

Uploaded: ...

Sky plot

Sky plot

Histogram

Markarian's Chain, 



    
        

            Alan Pham

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