A Multi-Instrument Study of the Helix Nebula Knots with the Hubble Space Telescope
Cometary Knots in the Helix Nebula
Determination of the Physical Conditions of the Knots in the Helix Nebula from Optical and Infrared Observations
Knots in Nearby Planetary Nebulae
On the Nature of Linear Structures in the Helix and Orion Nebulae
The nature of the cometary knots in the Helix planetary nebula (NGC7293)
The Structure of Cometary Knots in the Helix Nebula
The Surprising Emission Distribution within the Helix Nebula Cometary Knots
Instrument
WFPC2, WFPC2/PC
Temporal Coverage
1994-08-07T08:59:16Z/1994-08-07T12:41:56Z
Version
1.0
Mission Description
Launched in 1990, the NASA/ESA Hubble Space Telescope remains the premier UV and visible light telescope in orbit. With well over 1.6 million observations from 10 different scientific instruments, the ESA Hubble Science Archive is a treasure trove of astronomical data to be exploited.
