Celestial hemisphere:  Northern  ·  Constellation: Virgo (Vir)  ·  Contains:  IC 3280  ·  IC 3303  ·  IC 3311  ·  IC 3344  ·  IC 3349  ·  IC 3355  ·  IC 3363  ·  IC 3382  ·  IC 3388  ·  IC 3393  ·  IC 3443  ·  IC 3457  ·  M 84  ·  M 86  ·  M 87  ·  NGC 4374  ·  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  ·  And 5 more.
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markarian's chain, pfile
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markarian's chain

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markarian's chain, pfile
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markarian's chain

Equipment

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Acquisition details

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Description

markarian's chain - april/may 2017

130x240s R (8h40m)

163x240s G (10h52m)

149x240s B (9h56m)

total 29h28m

TMB92ss + orion flattener (f/5.5) + STT-8300M + FW8G-STT, astrodon gen2e filters

mach1gto

captured with Sequence Generator Pro

processing in pixinsight

Comments

Revisions

  • markarian's chain, pfile
    Original
  • markarian's chain, pfile
    B
  • markarian's chain, pfile
    C
  • Final
    markarian's chain, pfile
    D

B

Description: remove slight green cast and had forgotten to transform to sRGB color space

Uploaded: ...

C

Description: pulled reds back a little

Uploaded: ...

D

Description: color calibration with PI 1.8.5 PhotometricColorCalibration module; reprocessed

Uploaded: ...

Sky plot

Sky plot

Histogram

markarian's chain, pfile