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Observatory Parameters
May 27
Lat. 39.0, Lon. -77.5
Clouds: Seeing:
Waxing Gibbous
18:35 04:54
M87 displaying a spectacular jet of turbulent gas extending 5,000 light years long, a result from its 2 to 3 billion solar mass black hole. This jet was measured at 4 to 6 times the speed of light; however, this superluminal motion is an optical illusion caused by the jet pointing towards us. M87 also known as Virgo A is a strong radio source galaxy.
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Virgo A, Astrophotography by ricktobey

Equipment

  • Imaging telescope / lens: Meade Schmidt-Cassegrain (SCT) 305/3048 mm LX90 ACF 12in
  • Imaging camera: SBIG STF-8300C (CCD)
  • Mount: Equatorial Meade LX850
  • Guiding telescope / lens: Meade StarLock Refractor 80mm StarLock
  • Guiding camera: Meade StarLock (CCD)
  • Accessories: Focal reducer Celestron 0.63 SCT reducer 2.00"
  • Processed with: SBIG CCDOps 5.58
    Photoshop Elements 14

Frames / Subs

  • Lights: 11 x 300 sec
  • Darks: 3 x 300 sec
  • Total integration time: 1:10 hours

Acquisition

  • Date: Wed Apr 18th 2018
  • Seeing: 3 / 5
  • Transparency: 3 / 5
  • Sky darkness: 4 / 9
  • Ambient temperature: 50.0 ºF
  • Camera sensor temperature: -20.0 ºC
  • Binning: 1x1

Spatial Info

  • Image Size: 832 x 622 pixels
  • Image Scale: 0.517 arcsec / pixel
  • Visual Field: 0º 07' 10''
  • RA Center: 12h 30m 49s
  • DEC Center: 12º 23' 26''
  • Orientation: 87.053 degrees E of N

Sky Maps

N/A

Comments

Wow! Astrophotographer, April 21 · Reply

Astronomy Quote of the Day

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