Antares to Rho Ophiuchi

June 1st, 8th and 15th 2013: This is my second light with the FSQ106EDX-III and I wanted to try to capture some nebulosity.  It also happened that I had been waiting to shoot this region of the skies for years. I didn’t want to work on mosaic just yet so I decided to frame that very colorful area between Antares and Rho Ophiuchi. It’s got several types of nebulae, a few globular clusters and so much dust!

Considering the size of the region I obviously chose to use the focal reducer which with this camera and scope give me a field of just about 5×3 degrees.

My godson was on vacation here for about 10 days so I decided to just go for this target for a few nights (three precisely!)  so that we could spend the time doing visual with his binoculars and Dan’s dob. Great times.

Then I’ve been very busy with the move that it literally took me over a month before I even touch the data.  My processing workflow has not changed much since my last picture. I did find a nice way to improve my stars with a much better stacking interpolation. I also have to mention that the data was pretty clean to the point that there was very little processing to do.

Antares-to-Rho-Ophiuchi

  • Date: June 1st, 8th, 15th 2013
  • Camera: Moravian Instruments G3-11000 (Sensor maintained at -25 C)
  • Exposures: ~ 10 hours of integration time (L: 600 s – 1×1, RGB: 300 s – 1×1)
  • Mount: Losmandy G11 Gemini 2
  • Imaging Telescope: Takahashi FSQ106EDX III @ f/3.6
  • Guiding: Borg 50 mm – Barlow 2x – SX Lodestar
  • Calibration: Darks, Flats, Dark Flats
  • Stacking: PixInsight 1.8
  • Final blending/processing: PixInsight 1.8
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