Hemisphere:  Northern  ·  Contains:  Bubble nebula  ·  NGC 7635
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NGC7635 Bubble Nebula SHO, 


            Michael Caller
NGC7635 Bubble Nebula SHO
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NGC7635 Bubble Nebula SHO

Technical card

Imaging telescopes or lenses: Skywatcher Esprit 100 ED

Imaging cameras: ZWO 1600MM-C

Mounts: EQ6 R Pro SkyWatcher

Guiding telescopes or lenses: Altair astro 60mm guide scope Guidescope

Guiding cameras: Altair Astro GP Cam2 130 mono Guide Camrea

Software: Photoshop CC 2019  ·  PixInsight PinInsight 1.8.6  ·  PhD 2  ·  Sequence Generator Pro Sequence Generator

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

Accessory: Pegasus Astro Ultimate Powerbox Ultimate Powerbox  ·  Pegasus Astro FocusCube  ·  Intel Compute Stick  ·  Homemade GPS unit

Dates:Sept. 13, 2019

ZWO 36mm 7nm Ha: 49x300" (gain: 139.00) -20C bin 1x1
ZWO 36mm 7nm OIII: 19x300" (gain: 139.00) -20C bin 1x1
ZWO 36mm 7nm SII: 20x300" (gain: 139.00) -20C bin 1x1

Integration: 7.3 hours

Darks: ~70

Flats: ~100

Bias: ~300

Avg. Moon age: 14.15 days

Avg. Moon phase: 99.58%

Bortle Dark-Sky Scale: 6.00

Basic astrometry details

Astrometry.net job: 3261161

RA center: 23h 20' 42"

DEC center: +61° 10' 48"

Pixel scale: 1.414 arcsec/pixel

Orientation: 274.396 degrees

Field radius: 0.536 degrees

Resolution: 1920x1940

Locations: Backyard, South Croydon, Surrey, United Kingdom

Data source: Backyard


NGC7635 Bubble Nebula SHO

I seem to struggle with colours on the SHO palette in Pixinsight so may try processing in photoshop and see what results I get.

I did a manual stack and calibration in pixinsight using The Light Vortex Method, which is very time consuming however the time pays of with amazing low noise details, I will be using this method from now on instead of DSS, calibration frames are saved in library.



Michael Caller
License: None (All rights reserved)

Sky plot

Sky plot


NGC7635 Bubble Nebula SHO, 


            Michael Caller

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