Bubble Nebula, NGC7635. Located 7100 light years away in the constellation Cassiopeia. The "bubble" is created by the stellar wind from a massive hot, 8.7 magnitude young central star blowing off it atmosphere. The nebula is near a giant molecular cloud which contains the expansion of the bubble nebula while itself being excited by the hot central star, causing it to glow. The bubble is 2 light years across.
✨ Equipment and Details ✨
Target: Bubble Nebula, NGC7635
Telescope: EdgeHD8 w/ ZWO EAF
Camera: ZWO ASI2600mm-pro, Dew Heater on, Bin 1×1, Gain 101
Filters: 2" Antlina 3nm SHO, Optolong RGB in a ZWO EFW
Mount: AM5 on William Optics 800 Motar tri-pier
Controller: ASIair Plus and Samsung Tablet
Guide scope: Celestron OAG
Guide Camera: ZWO ASI290mm
Exposures:
Ha 64 x 300 sec
Sii 69 x 300 sec
Oii 57 x 300 sec
Total: 15 hrs 50 mins
RGB Stars:
15 ea x 180 sec
Calibration frames done
Bortle: 4 Sky
Processed in Pixinsight and Lightroom
by jcat47