NGC7635, the Bubble Nebula in Hydrogen-Alpha

Also known as LBN549.

 

Shooting Location :

* 51° N 3° E

* bortle class 5 backyard

 

Object Information

* Type : Emission Nebula

* Magnitude : 11.0

* Location (J2000.0): RA 23h 20m 45s / DEC +61° 12' 42"

* Approximate distance : 2.175 parsecs / 7.100 lightyears

 

Hardware

* Mount : Celestron CGX

* Imaging Scope : Sky-Watcher Explorer 150PDS

* Imaging Camera : ZWO ASI 183MM

* Filter Wheel : ZWO EFW 7*36mm + Baader Ha 7nm, Baader OIII 8.5nm + Baader SII 8.5nm + Baader LRGB

* Coma Corrector : Baader MPCC III

* Guide Scope : Sky-Watcher StarTravel 80

* Guide Camera : ZWO ASI 120MM

 

Exposures

* Single Exposure Length : 300sec

* Sensor Temperature : -20°C

* Gain : 111

* Offset : 10

* Light Frames :

> Baader Ha : 72x

* Flat Frames :

> Baader Ha : 100x

* Dark Frames : 30x

* Bias Frames : 100x

* Total Integration Time : 6h00m

* Capture Dates : 2018-09-13

 

Capture Software

* Sequence Generator Pro

* PHD2 Guiding

 

Processing Software

* PixInsight

* Noiseless

* Adobe Photoshop

Done