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Sharpless 232 (Sh2-232) and Companions

Sh2-232 (Sharpless 232) is the biggest but faintest member of a complex of diffused nebulas in the Auriga constellation, about 3 degrees from IC405 (the Flaming Star Nebula) and IC410. The other members are Sh2-235 (botton-left respect Sh2-232), the brightest of the group, and Sh2-231 (at right). Less cospicuos in size but not in beauty, Sh2-233 (at far right) completes the picture.
The brightest blue star in the picture is an anonymous A0 star and has a brightness of just 7.1 magnitude.

Sh2-232 and companions in Auriga

View and interact with the high-resolution image!

The image is available for Museum, Planetariums, Publishers and Authors in very high-resolution (up to 5,936 × 5,241 pixels, can be printed up to 40 × 35 inches and more). Please, e-mail me with your request.

  
Remarkable features
Click the image to view and interact with the hi-res image.

Sh2-232 is a large but faint HII region. Its size is about 37 arcminutes in diameter.

Sh2-235 is the brightest nebula of this group. Its size is about 8×3 arcminutes.

Sh2-231 is quite faint and large about 12×5 arminutes.

Sh2-233 is just 2 arcminutes in diameter and looks like to be both emission and reflection nebula.

 

Find Chart

The position of Sh2-232 Nebula (in the white circle) in Cepheus constellation.
Image from Megastar.

In order to produce the color image seen here, I worked with data coming from 2 different photographic plates taken at Palomar Observatory between 1986 and 1989. The original file is about 31.1 Megapixels with a resolution of about 1 arcsec per pixel. The image show an area of sky large 1.6° × 1.5° (for comparison, the full-Moon is about 0.5° in diameter).
A larger field-of-view image is also available, its size is 7,073 × 7,087 (49 Megapixels). It shows an area of sky large 2.0° × 2.0°.

Copyright:
Davide De Martin (http://www.skyfactory.org).

This image is a composite from black and white images taken with the Palomar Observatory's 48-inch (1.2-meter) Samuel Oschin Telescope as a part of the second National Geographic Palomar Observatory Sky Survey (POSS II). The images were recorded on two type of glass photographic plates - one sensitive to red light and the other to blue light and later they were digitized. Credit: Caltech, Palomar Observatory, Digitized Sky Survey.

All images presented in this site are © Davide De Martin (2005-2007). Reproduction or distribution of these images is not permitted without written consent. See also commercial use of the images for further details. We welcome comments.
The astronomical images in this site were created with the help of the ESA/ESO/NASA FITS Liberator. - 3D Animated Flags Courtesy of 3DFlags.com.
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