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Uploaded 19-Sep-22
Taken 19-Sep-22
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Dimensions12401 x 8257
Original file size11 MB
Image typeJPEG
Color spacesRGB
The Blushing Mule in Cygnus

The Blushing Mule in Cygnus

The Blushing Mule (IC1318) in Widefield,
Sadr Nebulosity and the Crescent Nebula, Cygnus, Sep 2022
Williams Optics Redcat APO 51; - ASI2600MC;
Celestron CGEM II; IDAS NBZ Nebular Booster Filter;
72 x 600s exposures, Bin 1, Gain 100;
Total Integration Time = 12 hours;

It's strange what your brain comes up with while processing an image. The nebulosity around Sadr doesn't have a common name, so I had to see what it made me think of in order to name this image...
To me it looks like a heavily burdened mule travelling to the left, with the blushing, bridled face of the mule on the left hand side. Below the tail on the RHS is a Crescenty road offering, likely causing the mule to blush in the first place. Now I have to come up with some legend/myth about the mule - something about "Zeus putting the mule there to deliver online shopping during the summer"
Thanks to GHS and a reasonable amount of integration time, I was able to pull out quite a bit of OIII nebulosity, but with dual narrowband filters, you just don't get near the crispness of the Ha/Red signal (at least I don't). I still really like the dual narrowband filters /OSC combo as you can capture a lot of data very fast and it yield reasonable RGB colours.
I am finally settling on a technique to add stars back into a starless image while preserving star colour, making the star smaller, and avoiding major artifacts.
Still waiting for a replacement CP4 controller for my A-P mount, but I have to wait until Fedex admits losing it while being sent back. I am having fun with wider fields though.