Hemisphere:  Northern  ·  Contains:  Bubble nebula  ·  NGC 7538  ·  NGC 7635
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Bubble Nebula at Calstar 2013, 


            Stephen Migol
Bubble Nebula at Calstar 2013
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Technical card

Imaging telescopes or lenses: Stellarvue SV4

Imaging cameras: Pentax K10D

Guiding telescopes or lenses: Stellarvue SV 70 ED

Guiding cameras: Orion SSAG

Software: PixInsight  ·  Maxim DL  ·  Adobe Lightroom 3  ·  Deep Sky Stacker

Filters: B+W 486 UV/IR block

Accessory: Stellarvue SSF6

Dates:Oct. 5, 2013

Frames: 4x1200"

Integration: 1.3 hours

Avg. Moon age: 0.47 days

Avg. Moon phase: 0.26%

Basic astrometry details

Astrometry.net job: 87680

RA center: 23h 18' 21"

DEC center: +61° 26' 42"

Pixel scale: 1.911 arcsec/pixel

Orientation: -89.493 degrees

Field radius: 1.235 degrees

Resolution: 3872x2582

Locations: Calstar, Lockwood, California, United States


Taken with the modified and cooled Pentax K10D camera on the Stellarvue SV4 scope. No light pollution filter used, just the B+W 486 UV/IR filter.

Guided and Calibrated with Maxim.
Stacked in DSS.
Processed in Pix Insight for DBE, SCNR, Masked Stretch, Histogram Stretch to reset black point, TGVDenoise to smooth the background noise, Mt and Unsharp Mask to tighten star images slightly, Masked Curves to drop the background noise and control saturation.



Stephen Migol
License: None (All rights reserved)

Sky plot

Sky plot


Bubble Nebula at Calstar 2013, 


            Stephen Migol