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Observatory Parameters
Dec 15
Lat. 39.0, Lon. -77.5
Clouds: Seeing:
Waning Crescent
04:43 15:27
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Elephant Trunk, Astrophotography by venzibo

Equipment

  • Imaging telescope / lens: Lacerta Apochromatic 72/432 mm Quadruplet Flatfield
  • Imaging camera: QHYCCD QHY9M (CCD)
  • Mount: Equatorial Sky-Watcher NEQ6 Pro SyncScan
  • Guiding telescope / lens: Lacerta Apochromatic 72/432 mm Quadruplet Flatfield
  • Guiding camera: Lacerta MGEN-II
  • Filters: Baader Planetarium H-alpha (Narrowband Hydrogen Alpha)
    Baader Planetarium OIII (Narrowband Oxigen 3)
  • Accessories: Filter wheel QHYCCD 2.00"
    Off-axis guider TS Optics 27mm
  • Processed with: APT (Astro Photography Tool)
    Photoshop 5.1

Frames / Subs

  • Lights (filter H-alpha): 12 x 900 sec
  • Lights (filter OIII): 5 x 900 sec
  • Total integration time: 4:15 hours

Acquisition

  • Date: Sun Jun 25th 2017
  • Camera sensor temperature: -20.0 ºC
  • Binning: 2x2

Spatial Info

  • Image Size: 1,209 x 1,622 pixels
  • Image Scale: 5.071 arcsec / pixel
  • Visual Field: 2º 17' 05''
  • RA Center: 21h 38m 41s
  • DEC Center: 57º 39' 13''
  • Orientation: -90.892 degrees E of N

Sky Maps

N/A

Comments

Astronomy Quote of the Day

“There are no black holes - in the sense of regimes from which light can't escape to infinity. There are however apparent horizons which persist for a period of time.” Stephen Hawking, 2014
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