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IC 1848 - Soul Nebula with new Telescope

Astrophotography CMOS DSO Refractor Imaging
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#1 EasyQuest

EasyQuest

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Posted 14 October 2021 - 06:21 AM

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For my one-shot-color camera project, I used my ZWO ASI 2600MC pro with the Triad Ultra Quad-band Filter on IC 1848 - Soul Nebula in Cassiopeia. This is my first light of the new William Optics FLT 120. The scope is so new that there are no publish back focus numbers for the Flattener 7A so had to play around with the back focus cross five days. I read 71.9mm but for my case around 75mm to 77mm looks to be good for APS-C but I am still playing around. Final image has a total integration time of 29 hours. Overall, I am happy with the results, here are two versions, one with stars and and with non!

 

Moon Phase, Location, and Date

  • Moon Phase: 81%, 73%, 55%, 11%, 1% (Moon during some of the sessions)
  • Murfreesboro, TN (Bortle 6)
  • September 25,26,28, 2021
  • October 03,07, 2021

Equipment

  • Telescope/Lens: William Optics Fluorostar 120 (780 mm at f/6.5)
  • Flattener/Reducer: William Optics Reducer Flattener 7A x0.8 (624mm at f/5.2)
  • Filter: Radian Telescopes 2" Triad Ultra Quad-band Narrowband Filter
  • Mount: Sky-Watcher EQ6-R Pro (Used three 11 pound counterweights)
  • Off-Axis Guider: ZWO OAG
  • Guider: ZWO ASI120MM-MINI
  • Dew Heater Controller: Pegasus Astro Pocket Powerbox Advance (Clean up Cables)
  • Dew Heater: AstroStrap Dew Heater for 6" Telescopes
  • Camera: ZWO ASI2600MC Pro
  • Polar Alignment: QHYCCD Polemaster (Precise polar alignment)
  • Laptop (For imaging, dither, auto guiding, plate solve)

Software

  • PHD2 (For Auto Guiding)
  • QHYCCD PoleMaster Software (Polar Alignment)
  • Astrophotography Tool (APT) (For Dither, plate solve, mount control)
  • EQMOD (Remove Hand Controller and allow pulse guiding)
  • Pegasus Astro Pocket Powerbox (Control the Pocket Powerbox Advance)
  • Deep Sky Stacker (Stacking Frames)
  • Photoshop (Processing)
  • PixInsight (Processing)

Acquisition

 

Total Exposure: 348 X 300s (29 hours)

 

Temperature: -5°C on all calibration frames as well as light frames

  • 60  Flats
  • 40 Darks (Used Master Dark file)
  • 20 Bias (Used Master Bias file)
  • Gain: 100 (Unity Gain)
  • Bin: 1x1
  • Offset: Left Default

Processing in Photoshop and PixInsight

  • Stacked in DSS
  • Drizzle 2x
  • Edited in Photoshop
  • RC-Astro GradientXTerminator
  • Adjusted levels
  • Adjusted Curves
  • Selective Curves Adjustment
  • Color Correction
  • Blacks Correction
  • Selective Saturation Applied
  • Vibrance Applied
  • Sharpening Applied
  • Noise reduction on all channels and star layer
  • Luminance layer for highlights
  • Cropped
  • RC-Astro StarXTerminator in Photoshop
  • Morphological Transformation in PixInsight for Star reduction
  • Linear Dodge to add stars back on
IC 1848   Soul Nebula
 
IC 1848   Soul Nebula   Starless
 
FLT 120 Image 01
 
FLT 120 Image 02

Edited by EasyQuest, 14 October 2021 - 06:21 AM.

  • mikewayne3, Ljubo, nicknacknock and 4 others like this

#2 David Boulanger

David Boulanger

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Posted 14 October 2021 - 06:38 AM

You have a plethora of scopes and mounts.



#3 EasyQuest

EasyQuest

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Posted 14 October 2021 - 06:49 AM

You have a plethora of scopes and mounts.

I am simp for the sky, too beautiful not to take a photo of it.



#4 Jim Thommes

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Posted 14 October 2021 - 06:52 PM

Cool image. Congrats on the first light. Such events are very exciting - especially when the result is so nice as this.


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