Tadpoles Flaming Star and more (TStew)

Tadpoles Flaming Star and more

Revision title: RGB Stars added to prior revision

A nice grouping of several objects allows quite a busy field with a 300mm telephoto lens! The figurative stars of the show are IC 405 aka The Flaming Star emission nebula (with a bit of blue reflection nebula as well from the bright AE Auriga and IC 410 The Tadpoles Nebula. But also in the frame we have IC 417 the Spider Nebula and nearby Fly Nebula NGC 1931, both emission nebula. Below the Spider Nebula is the open star cluser NGC 1907.

(edited: first revision)This is a mostly duoband filter shot, but with a touch of full RGB color added as well (stars are RGB, plus some of the blue reflection nebula highlights in the Flaming Star, as well as a faint blue smudge that I hope is an object and not a photo defect, in the darker void in the upper right corner of my image. IC 405 is mostly H-alpha while IC 410 has a bit more Oiii. I would like to shoot SII but my filter is now tied up in a filter wheel for a different scope, so unlikely.

For the later revision I took a very different route. I processed the RGB data from the camera without the narrowband filter. Of course it lacks contrast, and stretched it shows more noise. But the colors are photometrically calibrated and I like how the nebulas have a wider range of colors in the oranges and blues, etc. To get back the contrast and detail I used H-alpha data from the NBZ filter as luminance layer. It may lack the punch of the HOO image but I think I like the more natural look.

Original
B
C
F
Final
G

B

Title: Starless

Description: Starless

Uploaded: ...

C

Title: Just H-alpha

Description: The extracted H-alpha channel

Uploaded: ...

F

Title: RGB w/ Ha as luminance

Description: Processed image with the one night of RGB data for the color and used the other night of H-alpha as a luminosity layer.

Uploaded: ...

G

Title: RGB Stars added to prior revision

Uploaded: ...

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