Hemisphere:  Northern  ·  Constellation: Virgo (Vir)  ·  Contains:  13.76  ·  20 Vir  ·  27 Vir  ·  30 rho Vir  ·  33 Vir  ·  6 Com  ·  740 Cantabia  ·  IC 3004  ·  IC 3008  ·  IC 3019  ·  IC 3021  ·  IC 3024  ·  IC 3029  ·  IC 3032  ·  IC 3033  ·  IC 3036  ·  IC 3038  ·  IC 3039  ·  IC 3040  ·  IC 3044  ·  IC 3046  ·  IC 3049  ·  IC 3050  ·  IC 3059  ·  IC 3060  ·  IC 3061  ·  IC 3062  ·  IC 3063  ·  IC 3064  ·  IC 3065  ·  And 277 more.
Getting plate-solving status, please wait...
The Virgo Cluster feat. Markarian's Chain, 



    
        

            Steve Ludwig
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The Virgo Cluster feat. Markarian's Chain

Getting plate-solving status, please wait...
The Virgo Cluster feat. Markarian's Chain, 



    
        

            Steve Ludwig
Powered byPixInsight

The Virgo Cluster feat. Markarian's Chain

Equipment

Imaging Telescopes Or Lenses
Samyang 135 mm F2 ED UMC
Imaging Cameras
Nikon D3300
Software
Deep Sky Stacker (DSS) · PixInsight

Acquisition details

Dates:
May 16, 2020
Frames:
97x120" (3h 14')
Integration:
3h 14'
Avg. Moon age:
23.88 days
Avg. Moon phase:
31.98%

RA center: 12h26m00s.60

DEC center: +11°4705.10

Pixel scale: 6.216 arcsec/pixel

Orientation: -122.006 degrees

Field radius: 5.942 degrees

More info:Open 

Resolution: 5840x3700

Data source: Backyard

Description

Equipment

- Nikon D3300 (unmodified)

- Samyang 135mm f2 @ f2

- Skywatcher Star Adventurer Pro Pack

- no-name tripod

Acquisition

- 97 light frames x 120 s = 3 h 14 min total exposure time

- no dark, flat, bias frames

- no filters

- ISO 100

- Bortle 4 zone

Processing

-> light frames stacked in "Deep Sky Stacker" (DSS)

-> median kappa sigma clipping method

-> unmodified TIF opened in PixInsight

-> STF stretch

-> background neutralization

-> histogram transformation

-> color calibration

-> curves transformation

-> saturation increase of stars with star mask

-> ACDNR

-> another saturation increase of stars with star mask

-> dynamic crop

-> saved as jpg

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