Focal Pointe Observatory
Astrophotography by Bob Franke

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vdB-27 & CED-30


      Click the full screen zoom button           ^
     
Click the image to Zoom and Pan              

Click here to view the image without Zoomify (1640 x 1230 - 1.06 MB)

 

Instrument

Takahashi FSQ-106ED @ f/5.0 (530 mm F.L.) Captured at 2.1 arcsec/pixel.  The Zoomify image scale is 4.2 to 9.63 arcsec / pixel.

Mount

Losmandy G11 with Gemini L4 v1.0

Camera

SBIG STF-8300M Self Guiding Package w/ mono ST-i, using Baader LRGB filters.

Acquisition Data

11/13/2012 to 1/5/2013 Chino Valley, AZ... with CCDAutoPilot3 & CCDSoft.

Exposure

Lum

185 min. (37 x 5 min. bin 1x1 ) best of 55

R

  90 min. ( 9 x 10 min.  bin 1x1)

G

120 min. (12 x 10 min, bin 1x1)

B

150 min. (15 x 10 min, bin 1x1)

Software

  • CCDSoft, CCDStack, PixInsught, Photoshop CS6.

  • eXcalibrator v4.1 for (g-r) color balancing, using 164 stars from the SDSS-DR9 database.

  • CCDStack to calibrate, register, normalize, data reject and combine the sub exposures.

  • PixInsight for the RGB combine, gradient removal and initial non-linear stretching.

  • PhotoShop for the LRGB combine & final touch-up. 

  • Noiseware Pro, a PhotoShop plug-in.

Comment

North is to the top.
This beautiful nebula complex is in the constellation Taurus. Gas, dust and a few dark nebulae dominate the image. Left of center is the yellowish reflection nebula vdB 27. To the right, in scattered blue light, is CED 30.