Celestial hemisphere:  Northern  ·  Constellation: Auriga (Aur)  ·  Contains:  14 Aur  ·  16 Aur  ·  17 AR Aur  ·  18 Aur  ·  19 Aur  ·  24 Aur  ·  24 phi Aur  ·  AE Aur  ·  Flaming Star Nebula  ·  HD241323  ·  HD241353  ·  HD241366  ·  HD241411  ·  HD241460  ·  HD241476  ·  HD241504  ·  HD241505  ·  HD241521  ·  HD241535  ·  HD241565  ·  HD241611  ·  HD241635  ·  HD241649  ·  HD241650  ·  HD241660  ·  HD241683  ·  HD241698  ·  HD241699  ·  HD241700  ·  HD241702  ·  And 347 more.
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Auriga SHOLRGB with Flaming Star and Tadpoles (IC405, IC410 and IC417), GalacticRAVE
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Auriga SHOLRGB with Flaming Star and Tadpoles (IC405, IC410 and IC417)

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Auriga SHOLRGB with Flaming Star and Tadpoles (IC405, IC410 and IC417), GalacticRAVE
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Auriga SHOLRGB with Flaming Star and Tadpoles (IC405, IC410 and IC417)

Equipment

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Acquisition details

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Description

The Auriga region is a great winter target for wider field imaging. For my 72mm Apo it works out quite nicely with the bin1 mode of the 294mm, 2.3mm pixel size and 280mm focal length, which results in a nice combination of resolution and field of view. But as coherent as the target appears, neither RGB nor narrow band unveils the full potential: RGB is needed to get the worm-like reflection nebula in IC405 (which hardly is visible in Oiii), while narrow band is needed for the tadpoles and the many Halpha structures in particular in IC410. Experimenting with a combination of SHO and RGB was long on my to do list, and the miserable weather of the past weeks finally got me to do it. I created two separate images, one in SHO, one in RGB, and then combined them with color- and luminance masks in photoshop. Then I put them back in PI to work out some more contrast with GHS. The RGB data is not very deep (only some 1.5h) and together with the small pixels of the 294mm, the data is still fairly noisy ... maybe when some day I get clear skies again, I give it another shot...

Data were taken on 2022 January 6, and 17 as well as on 2022 February 11, 12, 13, and 23.

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