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Art Print

Planet Prints (stonemonkey)

"Spiral Galaxy"

by Planet Prints
  • FRAME THIS PRINT
DESCRIPTION

Collect your choice of gallery quality Giclée, or fine art prints custom trimmed by hand in a variety of sizes with a white border for framing.

ABOUT THE ART

Working with astronomical image processors at the Space Telescope Science Institute in Baltimore, Md., renowned astrophotographer Robert Gendler has taken science data from the Hubble Space Telescope (HST) archive and combined it with his own ground-based observations to assemble a photo illustration of the magnificent spiral galaxy M106.

Gendler retrieved archival Hubble images of M106 to assemble a mosaic of the center of the galaxy. He then used his own and fellow astrophotographer Jay GaBany's observations of M106 to combine with the Hubble data in areas where there was less coverage, and finally, to fill in the holes and gaps where no Hubble data existed.

The center of the galaxy is composed almost entirely of HST data taken by the Advanced Camera for Surveys, Wide Field Camera 3, and Wide Field Planetary Camera 2 detectors. The outer spiral arms are predominantly HST data colorized with ground-based data taken by Gendler's and GaBany's 12.5-inch and 20-inch telescopes, located at very dark remote sites in New Mexico. The image also reveals the optical component of the "anomalous arms" of M106, seen here as red, glowing hydrogen emission.

Robert Gendler is a physician by profession but has been active in astrophotography for two decades. Robert started taking astro-images from his driveway in suburban Connecticut. He then spent several years imaging remotely from places like New Mexico and Western Australia. More recently, Robert has been spending his time assembling hybrid images from multiple data sources including the Hubble Legacy Archive. Many of these images have been featured on "Astronomy Picture of the Day" (http://apod.nasa.gov/apod/astropix.html) and in various books and magazines.

This portrait of M106 contains only the inner structure around the halo and nucleus of this Seyfert II active galaxy. Large amounts of gas from the galaxy are thought to be falling into and fueling a supermassive black hole contained in the nucleus. Also known as NGC 4258, M106 lies 23.5 million light-years away, in the constellation Canes Venatici.

About the Object
Object Name: M106, NGC 4258
Object Description: Galaxy
Position (J2000): R.A. 12h 18m 57s.5
Dec. +47° 18' 14".29
Constellation: Canes Venatici
Distance: 23.5 million light-years (700,000 parsecs)
About the Data
Note: Ground-based image data provided by R. Gendler and J. GaBany was used to fill in or supplement areas where HST data did not exist or was limited.
Data Description: The image was created from Hubble data from proposal 11570: A. Riess (STScI) and collaborators. Other ACS and WFPC2 datasets from various other proposals were used to augment this proposal's data.
Instrument: ACS, WFPC2, WFC3/UVIS
Filters: F435W (B), F555W (V), F606W (V), F656N (H-alpha), and F814W (I)
About the Image
Image Credit: NASA, ESA, the Hubble Heritage Team (STScI/AURA), and R. Gendler (for the Hubble Heritage Team)
Release Date: February 5, 2013
Color: This image is a composite of separate exposures acquired by various Hubble instruments and ground-based telescopes. Several filters were used to sample various wavelengths/frequencies. The color results from assigning different hues (colors) to each monochromatic (grayscale) image associated with an individual filter. In this case, the assigned colors are:
ACS: F814W (I) luminosity
ACS: F814W (I) red
WFC3: F814W (I) red
WFPC2: F656N (H-alpha) red
ACS: F555W (V)+F606W (V) green
WFC3: F555W (V) green
ACS: F435W (B) blue




Tyler Spangler commented on February 16, 2014 4:39pm
Fan-tas-tic