Jellyfish Nebula

Jellyfish Nebula processed in HOO with RGB stars

**Acquisition**

* Acquired 30 Dec 2025 from my backyard (Bortle 5) using NINA and PHD2
* Ha – 25 x 300” (2h 5m)
* OIII – 26 x 300” (2h 10m)
* R – 25 x 30” (12m 30s)
* G – 26 x 30” (13m)
* B – 26 x 30” (13m)
* Camera settings: Gain 200, offset 55, temp -5C
* Calibration frames: 50 darks, 30 flats, 30 dark flats

**Equipment**

* GSO RC6
* ZWO ASI2600MM Pro
* Antlia V-Series LRGB and SHO 3nm Narrowband Filters, 2” Mounted
* ZWO Filter Wheel
* ZWO EAF
* iOptron GEM 28
* ZWO OAG-L with ASI174MM Mini

**Processing** (DSS, Photoshop)

* Stacked with DSS
* First stretch in Photoshop
* Remove stars with StarXTerminator
* Second stretch of starless image for target details
* Curves adjustments for contrast
* Saturation and color adjustments
* Remove noise with NoiseXTerminator
* Add RGB stars using a screen layer

[My Instagram](http://instagram.com/bigtyastro)