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Bubble Nebula NGC 7635 Ha, Terry Hancock

Bubble Nebula NGC 7635 Ha

Bubble Nebula NGC 7635 Ha, Terry Hancock

Bubble Nebula NGC 7635 Ha

Description



Here is another image shot in Hydrogen Alpha, 11 hours of 20 min sub exposures, again I hope to add (RGB) color when next we get moonless and clear nights.

I mentioned earlier I was having guiding issues when trying to shoot 20 minute exposures, my DEC was drifting and this may have been caused by the software I was using as it is now working great with Maxim. It could have also been caused by cable drag, finally I have put all my cables through the mount.

****I forgot to mention that although for some reason my TMB130 produces small spikes, I decided to use Carboni's tools and I added "star diffraction spikes"



Take a look and let me know what you think.

Clear skies

Terry Hancock

www.downunderobservatory.com

Location: DownUnder Observatory, Fremont MI

Date of Shoot 11th, 12th, 13th 14th and 16th July 2011

Camera: QHY9M monochrome CCD by www.astrofactors.com

33 x 20 min sub exposures Hydrogen Alpha (10nm HA filter by QHY)

Scope: TMB 130SS using WO/TMB 68mm Field Flattener.

Autoguided using QHY5 autoguider by www.astrofactors.com

Guide scope Celestron 76mm refractor.

Paramount GT-1100S German Equatorial Mount (with MKS 4000)

Processed with Photoshop CS5.

Comments

Histogram

Bubble Nebula NGC 7635 Ha, Terry Hancock