EasyQuest on November 10, 2025 12:18 pm **Comments** One of my most favorite area for narrowband, I had to come back with the CDK12.5 system. Still working on the star flairs but much better than before plus collimated the scope better. * Astrobin: https://app.astrobin.com/i/cxlhi0 **Moon Phase, Light Pollution Level, and Date** * Average Moon Phase: 59% * Bortle 7 * September 29, 30, 2025 * October 2, 3, 4, 8, 11, 12, 19 20, 2025 **Equipment** * Telescope/Lens: **Planewave CDK 12.5 (2541mm at F/8)** * Flattener/Reducer: N/A * Auto Focuser: Planewave Hendrick Focuser * Focuser Controller: Planewave Electronic Focus Accessory (EFA) Kit * Filter: **Chroma 50mm SHO 3nm Telescope Filter – Unmounted** * Filter Wheel: ZWO EFW (7 x 50mm) * Mount: **Astro-Physics Mach 1600 GTO** * Guide Scope: OAG: ZWO OAG-L * Guider: ZWO ASI174MM-MINI * Dew Heater Controller: Pegasus Astro Pocket Powerbox Advance (Clean up Cables) * Dew Heater Controller: Planewave Delta T Heater * Dew Heaters: Two on CDK 12.5 built into the scope * Camera: **ZWO ASI6200mm Pro ** * Polar Alignment: QHYCCD Polemaster (Precise polar alignment) * Intel NUC (For imaging, dither, auto guiding, plate solve) **Software** * PHD2 (For Auto Guiding) * QHYCCD PoleMaster Software (Polar Alignment) * Nighttime Imaging ‘N’ Astronomy (NINA) (Automation with Dithering, plate solving, mount control) * Astro-Physics ASCOM V2 (AP 1600GTO Control) * Pegasus Astro Pocket Powerbox (Control the Powerbox Advance) * Planewave Interface 3 (PWI 3) (Controllers focuser, scope fans, dew heaters) * Photoshop (Processing) * PixInsight (Calibration & Processing) **Acquisition** * Total Exposure: **40 Hours** * Chroma SII – 192 x 300s (**16 hrs**) * Chroma HA – 96 x 300s (**8 hrs**) * Chroma OIII – 192 x 300s (**16 hrs**) * Temperature: -5°C and -10°C * Flats: 20 to 60 * Darks: N/A * Bias: 200 * Gain: 100 * Offset: 50 * Bin: 1×1 * Pixel Scale: 0.31″/pixel **Processing in Photoshop and PixInsight** PixInsight * Subframe Selector * Image Calibration * Star Alignment * Blink * Image Integration * RC-Astro BlurXTerminator Photoshop * RC-Astro StarXTerminator * RC-Astro NoiseXTerminator * Manual Gradient Adjustment via Masks * Adjusted levels * Adjusted Curves * Selective Curves Adjustment * Layer set as “Linear Dodge (Add)” to add back the stars * Color Saturation * Star Color Correction * Blacks Correction * Vibrance Applied * Clarity Applied * Dehaze Applied * Sharpening Applied * Crop out edge artifacts
1 Comment
**Comments**
One of my most favorite area for narrowband, I had to come back with the CDK12.5 system. Still working on the star flairs but much better than before plus collimated the scope better.
* Astrobin: https://app.astrobin.com/i/cxlhi0
**Moon Phase, Light Pollution Level, and Date**
* Average Moon Phase: 59%
* Bortle 7
* September 29, 30, 2025
* October 2, 3, 4, 8, 11, 12, 19 20, 2025
**Equipment**
* Telescope/Lens: **Planewave CDK 12.5 (2541mm at F/8)**
* Flattener/Reducer: N/A
* Auto Focuser: Planewave Hendrick Focuser
* Focuser Controller: Planewave Electronic Focus Accessory (EFA) Kit
* Filter: **Chroma 50mm SHO 3nm Telescope Filter – Unmounted**
* Filter Wheel: ZWO EFW (7 x 50mm)
* Mount: **Astro-Physics Mach 1600 GTO**
* Guide Scope: OAG: ZWO OAG-L
* Guider: ZWO ASI174MM-MINI
* Dew Heater Controller: Pegasus Astro Pocket Powerbox Advance (Clean up Cables)
* Dew Heater Controller: Planewave Delta T Heater
* Dew Heaters: Two on CDK 12.5 built into the scope
* Camera: **ZWO ASI6200mm Pro **
* Polar Alignment: QHYCCD Polemaster (Precise polar alignment)
* Intel NUC (For imaging, dither, auto guiding, plate solve)
**Software**
* PHD2 (For Auto Guiding)
* QHYCCD PoleMaster Software (Polar Alignment)
* Nighttime Imaging ‘N’ Astronomy (NINA) (Automation with Dithering, plate solving, mount control)
* Astro-Physics ASCOM V2 (AP 1600GTO Control)
* Pegasus Astro Pocket Powerbox (Control the Powerbox Advance)
* Planewave Interface 3 (PWI 3) (Controllers focuser, scope fans, dew heaters)
* Photoshop (Processing)
* PixInsight (Calibration & Processing)
**Acquisition**
* Total Exposure: **40 Hours**
* Chroma SII – 192 x 300s (**16 hrs**)
* Chroma HA – 96 x 300s (**8 hrs**)
* Chroma OIII – 192 x 300s (**16 hrs**)
* Temperature: -5°C and -10°C
* Flats: 20 to 60
* Darks: N/A
* Bias: 200
* Gain: 100
* Offset: 50
* Bin: 1×1
* Pixel Scale: 0.31″/pixel
**Processing in Photoshop and PixInsight**
PixInsight
* Subframe Selector
* Image Calibration
* Star Alignment
* Blink
* Image Integration
* RC-Astro BlurXTerminator
Photoshop
* RC-Astro StarXTerminator
* RC-Astro NoiseXTerminator
* Manual Gradient Adjustment via Masks
* Adjusted levels
* Adjusted Curves
* Selective Curves Adjustment
* Layer set as “Linear Dodge (Add)” to add back the stars
* Color Saturation
* Star Color Correction
* Blacks Correction
* Vibrance Applied
* Clarity Applied
* Dehaze Applied
* Sharpening Applied
* Crop out edge artifacts