Equipment used
Telescope: Tal200K F10 2000mm
Camera: STL6303eMount:: EQ6 Pro
Processing notes...
Ha, G, OIII. 80, 21, 50m Total 2h 31m
Captured in CCDCiel. Calibrated and stacked in CCDStack. Post processed in Gimp.
Catalogued Items
SH2-162
NGC7635
Caldwell 11
Dates
22-Aug-2019 to 23-Aug-2019
FullDescription
The Bubble is mainly a Ha emission nebula in Cassiopeia. It has a reasonable amount of OIII also, so it makes for a decent narrowband target. Discovered in 1787 by William Herschel, it lies about 7,000 light years from Earth and is about 7 light years across.
Category
Other
Caldwell 11
CdCImage
