Celestial hemisphere:  Northern  ·  Constellation: Virgo (Vir)  ·  Contains:  M 84  ·  M 86  ·  NGC 4374  ·  NGC 4387  ·  NGC 4388  ·  NGC 4402  ·  NGC 4406  ·  NGC 4407  ·  NGC 4425  ·  NGC 4435  ·  NGC 4438  ·  NGC 4458  ·  NGC 4461  ·  NGC 4473  ·  NGC 4477  ·  NGC 4479
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M84, M86, Links in Markarian's Chain, Virgo Cluster, 8 Jun 2013, David Dearden
M84, M86, Links in Markarian's Chain, Virgo Cluster, 8 Jun 2013
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M84, M86, Links in Markarian's Chain, Virgo Cluster, 8 Jun 2013

Equipment

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Acquisition details

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Description

An easy find again. To avoid my sprinklers, I set this up in the front yard instead of the back where I usually work. Had problems with my USB cables that wasted some imaging time, but finally got them sorted Chiller at 2.25 A, 12 °C. I got things framed more or less the way I wanted this time. Had some cable pull problems sometime during the night, but this turned out OK; I'll have to wait until next season to improve on it because I'm getting into the light pollution too much now.

Date: 8 Jun 2013

Subject: Markarian’s Chain

Scope: Orion ST80+Antares 0.5x telereducer

Filter: Baader Fringe Killer

Mount: CG-5 (Synta motors)

Guiding: 9x50 Finder/Guider + DSI Ic + PHD 1.14.2

Camera: DSI IIc (cooled at 2.25 A, 10.0 V, 12 °C)

Acquisition: Nebulosity 3.1.6

Exposure: 32 x 300 s

Stacking: Neb 3, bad pixel map, bias included, normalize first, trans+rot align, 1.5 SD stack.

Processing: StarTools 1.3 Crop; Wipe:Color & Brightness; Develop 84.95%; HDRptimize; Sharpen; Track; Color:Bottom 2.0, Top Full, Sat 600%; Denoise; Magic:Shrink 2 pix; Life:Heavy. CS6+Astronomy Tools increase star color; deep space, space NR; some clone stamp to remove an edge artifact; crop again; less crunchy more fuzzy; AstroFrame.

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Revisions

  • M84, M86, Links in Markarian's Chain, Virgo Cluster, 8 Jun 2013, David Dearden
    Original
  • Final
    M84, M86, Links in Markarian's Chain, Virgo Cluster, 8 Jun 2013, David Dearden
    B

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M84, M86, Links in Markarian's Chain, Virgo Cluster, 8 Jun 2013, David Dearden