Click here for full resolution image NGC 3372, better known and referred to as the Eta Carina Nebula, is one of the most iconic objects in the Southern Hemisphere (if not of the whole sky). The star Eta carina itself (class B0), located in the center of the nebula, is a giant variable blue star (6.2-11.1) and is surrounded by the Homunculus Nebula (too small to be imaged except for the largest telescopes, I captured an image of it with the CDK 20″ that can be found here). NGC 3372 is a bright (visible with the naked eye) and very large nebula. It is one of the largest HII regions in the Milky Way and four times as large as the better known Orion Nebula (M42). The small region surrounding Eta Carina is commonly named the Keyhole Nebula.

Additional Information

Name(s): NGC 3372. The Eta Carina Nebula
Type: Emission Nebula
RA:  10h 43m 48s
Dec: -59º 51’ 56”
Constellation: Carina
Size (arcmin): 120×120
Magnitude: +1
Distance: 10,000 ly
Date: 2019-01-08 to 2019-01-15
Location:, SSO near Coonabarabran, NSW Australia
Size (arcmin): 230×230 arcmin
Telescope: Takahashi FSQ 106 f/5
Camera: FLI PL16803 (4096x4096pix)
Guiding: Yes
Total exposure: Wide Field: 4h34m (Ha: 13x10min; OIII: 5x10min; SII: 4x10min; RGB 18x3min). Additional high resolution images: 118 hours. Total: 122.5 hours.
Processing: CCDStack, Photoshop CC 2019

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