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Cave Nebula Sh-2 155, 


            Stefan Westphal
Cave Nebula Sh-2 155

Cave Nebula Sh-2 155

Technical card

Resolution: 2126x1577

Dates:Oct. 15, 2017Oct. 16, 2017Oct. 18, 2017

Baader Planetarium Ha 36mm 7nm: 35x900" -20C bin 1x1
Baader O III 8.5nm: 32x900" -20C bin 1x1
Baader SII 8.5nm: 33x900" -20C bin 1x1

Integration: 25.0 hours

Darks: ~17

Flats: ~72

Bias: ~159

Avg. Moon age: 26.61 days

Avg. Moon phase: 10.82%

Bortle Dark-Sky Scale: 7.00 job: 1835544

RA center: 344.127 degrees

DEC center: 62.718 degrees

Pixel scale: 3.799 arcsec/pixel

Orientation: 355.773 degrees

Field radius: 1.397 degrees


Date: 15., 16., 18.10.2017
Location: my home frontyard in Nuremberg
Telescope: 4,4" f3,9 Selfmade Newtonian
Corrector: Gyulai GPU
Camera: Atik 383L+ at -20°C
integration time: Ha OIII SII 525:480:495
Guiding: Ts Off Axis Guider and M-Gen ll
Processing: DSS, Fitswork, Photo Shop CS6



Stefan Westphal
License: None (All rights reserved)


  • Cave Nebula Sh-2 155, 


            Stefan Westphal
  • Final
    Cave Nebula Sh-2 155, 


            Stefan Westphal


reprocessed colours

Sky plot

Sky plot


Cave Nebula Sh-2 155, 


            Stefan Westphal

In these public groups

Nuremberg Public Observatory