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Wednesday, March 7, 2012

A four panel panoramic mosaic of Auriga, IC 405 & 410



This image shows a wider field view to Auriga Nebulae, IC 405 and 410.
Also Sharpless 232, Sh2-232, IC 417, Messier 38 and NGC 1907 are seen in the image.
Image is composed from four panels and covers about nine degrees horizontally, that's equal to area of 18 full Moons side by side in the sky. There are not many images around to show the whole nebula complex.

IC 405 & 410 
In constellation Auriga

HST-palette, from the emission of ionized elements,
R=Sulfur, G=Hydrogen and B=Oxygen.

An older study about the scale in a sky can be seen here:

mage is in Natural color palette from the emission of ionized elements, 
R=Hydrogen + Sulfur, G=Oxygen and B=Oxygen + Hydrogen.


An animated image to show the nebula with and without stars.
Click to see an animation



Mosaic image is build around this one frame image


A blog post, with technical details, can be found here:
http://www.astroanarchy.blogspot.com/2011/11/ic405-410.html


Technical details:

Processing work flow:
Image acquisition, MaxiDL v5.07.
Stacked and calibrated in CCDStack2.
Levels, curves and color combine in PS CS3.

Optics, Canon EF 200mm camera lens at f1.8
Camera, QHY9
Guiding, Meade LX200 GPS 12" and a Lodestar guider
Image Scale, ~5 arcseconds/pixel
Total exposure time for all channels (H-a, O-III and S-II) about 10 hours.

A map






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