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Over three nights in late September I pointed the telescope and camera at the northern edge of the Cassiopeia constellation. This is where the bubble in space is located. Better known as the Bubble Nebula or NGC 7635.

The image represents 7-hours and 45-minutes of total acquisition time. I used a Skywatcher Esprit 100 triplet refractor, QHY268M cmos cmos camera and filter wheel, along with Optolong narrowband filters (Ha, OIII, SII). 

The Bubble Nebula is approximately 11,00 light years from Earth. This means we are looking at the past. The light from this nebula is 11,000 years old as I captured it with my telescope and camera. Fascinating!

Please enjoy the video below I made discussing how I took this photo of a bubble in space…

Image Technical:

Skywatcher Esprit 100mm F5.5 Triplet Refractor https://bit.ly/3wfqoci
QHY268M CMOS Camera (https://bit.ly/3Aj23FE), 26mp, 3.76um @ -10C
QHY CFW3-L 7 position https://bit.ly/3jAp9Sb
Optolong Ha-OIII-SII filters https://bit.ly/3dvhqBa
Skywatcher EQ6 mount / Skyshed Pier (Skyshedpod.com)
Pegasus Astro Focus Cube https://bit.ly/3dzagfr
Orion Starshoot autoguider / PHD2
NINA 1.11 (nightly build) for acquisition
Processed in PixInsight
Seeing and transparency: average to good
Total integration time: 7hr 45min
Location: Kitchener, Ontario, Canada

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