Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent nebula  ·  NGC 6888  ·  NGC6888  ·  Sh2-105
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Crescent Nebula and Soap Bubble Nebula in HOO, 



    
        

            Dan Gallo
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Imaging telescopes or lenses: Celestron Rowe-Ackermann Schmidt Astrograph 11"

Imaging cameras: ZWO ASI 1600MM Cooled

Mounts: Losmandy G11 Gemini 2

Software: Topaz Labs Denoise AI  ·  Sequence Generator Pro  ·  Lightroom  ·  PixInsight

Filters: Baader f/2 Highspeed 2" OIII Filter  ·  Baader f/2 Highspeed 2" H-Alpha Filter


Dates:Oct. 20, 2019Oct. 22, 2019

Frames:
Baader f/2 Highspeed 2" H-Alpha Filter: 115x120" -15C bin 1x1
Baader f/2 Highspeed 2" OIII Filter: 217x120" -15C bin 1x1

Integration: 11.1 hours

Darks: ~100

Avg. Moon age: 22.14 days

Avg. Moon phase: 50.10%

Bortle Dark-Sky Scale: 8.00


Astrometry.net job: 3250282

RA center: 20h 13' 18"

DEC center: +38° 24' 14"

Pixel scale: 1.268 arcsec/pixel

Orientation: -18.262 degrees

Field radius: 1.012 degrees


Resolution: 3468x4335

Data source: Backyard

Description

I captured this same target a few months ago, but wanted to revisit it and capture a lot more data to try and bring out the very faint Soap Bubble Nebula.

This is the most data I've captured on a single target with the RASA 11" - about 11 hours, captured over 3 nights, with most of that on the OIII filter for the Soap Bubble.

Comments

Sky plot

Sky plot

Histogram

Crescent Nebula and Soap Bubble Nebula in HOO, 



    
        

            Dan Gallo

In these public groups

Celestron RASA
Narrowband imaging