Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  V1320 Cyg  ·  V1653 Cyg  ·  VdB130
DWB 34 and LDN 881 in Ha, 


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DWB 34 and LDN 881 in Ha

Technical card

Imaging telescopes or lenses: Astro-Tech AT8RC

Imaging cameras: SBIG STF-8300M

Mounts: Paramount MyT

Guiding cameras: QHY5L-II Mono

Focal reducers: CCDT67

Software: PixInsight  ·  Voyager

Filters: Baader Ha 36mm 7nm

Accessory: Dew-Not DN09 Dew Heater  ·  SBIG OAG-8300  ·  Moonlite CSL 2.5" Threaded Focuser  ·  Kendrick Standard Dual Channel Dew Controller

Dates:July 2, 2020July 14, 2020

Frames:Baader Ha 36mm 7nm: 35x600" -10C bin 1x1

Integration: 5.8 hours

Avg. Moon age: 17.70 days

Avg. Moon phase: 63.38%

Bortle Dark-Sky Scale: 4.00

Astrometry.net job: 3673762

RA center: 20h 19' 32"

DEC center: +39° 38' 25"

Pixel scale: 0.932 arcsec/pixel

Orientation: 0.167 degrees

Field radius: 0.536 degrees

Resolution: 3312x2499

Data source: Backyard


This is a closeup of a portion of the Sadr nebulae complex. Specifically, DWB 34 is the emission nebula in the lower third of the image. LDN 881 is the dark nebula to the upper right. As far as I can tell, this very interesting area isn't imaged in closeup very often.



  • DWB 34 and LDN 881 in Ha, 


  • Final
    DWB 34 and LDN 881 in Ha, 




Description: More time and steadier skies as well, leading to a less noisy and sharper image than the original.

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DWB 34 and LDN 881 in Ha,