# NGC7293 (2004)

- By: The HST data are from proposal 9700. Processed images may be obtained from the Helix MAST web site. The Hubble Helix…
- Date: Exposure: HST: november 19, 2002, CTIO: September 17/18, 2003.
- Classification: Photograph
- Credit line: Image, news release
- Museum: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:NGC7293_(2004).jpg)
- Rights: Public domain
- Picture: https://invisiblenetwork.ai/thumbs/commons/thumb/b/b1/NGC7293_%282004%29.jpg/1920px-NGC7293_%282004%29.jpg
- Who can see it: Kids profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)

The Helix Nebula: a Gaseous Envelope Expelled By a Dying Star

About the Object

Object Name: Helix Nebula, NGC 7293 or "The Eye of God"

Object Description: Planetary Nebula

Position (J2000): R.A. 22h 29m 48.20s

Dec. -20° 49' 26.0"

Constellation: Aquarius

Distance: About 690 light-years (213 parsecs)

Dimensions: The image is roughly 28.7 arcminutes (5.6 light-years or 1.7 parsecs) across.

About the Data

Instruments: ACS/WFC on Hubble Space Telescope (HST) and Mosaic II Camera on CTIO 4m telescope

Exposure Time: 4.5 hours (HST) and 10 minutes (CTIO)

Filters: F502N (\[O III\]) and F658N (Ha) (for the HST); c6009 (H alpha)and kc6014 (\[O III\]) for the CTIO

Image properties

Centered on white dwarfed and cropped

Downsampled to 3200x3200

Saved as jpg, quality 8/10, 5 scans

Stitching errors manually fixed