Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)
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Sh 2-101 Tulip Nebula SHO, 


            Gebhard Maurer
Sh 2-101 Tulip Nebula SHO
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Sh 2-101 Tulip Nebula SHO

Technical card

Imaging telescopes or lenses: Skywatcher Newton 200/1000 PDS

Imaging cameras: ZWO ASI ASI1600MM Pro

Mounts: Skywatcher AZ-EQ6 Pro

Guiding telescopes or lenses: Artesky 60mm Ultraguide

Guiding cameras: ZWO ASI 120mm Mini Mono

Software: Open PHD Guiding Project PHD2 2.6.5  ·  Nighttime Imaging 'N' Astronomy  ·  PixInsight PixInsinght 1.8

Filters: ZWO 36mm 7nm SII  ·  ZWO 36mm 7nm OIII  ·  ZWO 36mm 7nm Ha

Dates:June 24, 2020July 30, 2020

ZWO 36mm 7nm Ha: 47x240" (gain: 139.00) -20C bin 1x1
ZWO 36mm 7nm OIII: 14x240" (gain: 139.00) -20C bin 1x1
ZWO 36mm 7nm SII: 14x240" (gain: 139.00) -20C bin 1x1

Integration: 5.0 hours

Darks: ~50

Flats: ~50

Bias: ~50

Avg. Moon age: 6.92 days

Avg. Moon phase: 46.45%

Bortle Dark-Sky Scale: 4.00

Temperature: 20.00

Basic astrometry details

Astrometry.net job: 4170347

RA center: 20h 0' 35"

DEC center: +35° 22' 1"

Pixel scale: 0.781 arcsec/pixel

Orientation: 328.744 degrees

Field radius: 0.606 degrees

Resolution: 3352x4468

Locations: Backyard, Raglitz, Niederösterreich, Austria

Data source: Backyard


My first try of a SHO image. During composing I have recognized that I have to less OIII and SII data to finish this picture. Will aquire more data later this year and finish this project.


Sky plot

Sky plot


Sh 2-101 Tulip Nebula SHO, 


            Gebhard Maurer