Uploaded January 2023 | Updated September 2026, 17 hours ago

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Atmospherics:
- Moonless Starlight
- Orographic cloud buildup over Ko'olau Range
- Significant Vog
- Reflected and scattered sky glow.
- Night but not dark ~ 3am with a good bit of urban light pollution reflected and scattered by Vog aerosols.

SiOnyx OPSIN:
Exposure Compensation -1.5
Frame Rate 30fps
NUC on and active

Photonis XX2040 (XD-4 performance family):
SNR 24.7
65lp/mm
Luminance Gain @2x10-6 ~ 54306fl/fc (~17269cd/m2/lx)
EBI 1.9 (0.19)

Tube gain was set to factory maximum.

This XD-4 is using P-22 phosphor, the bluish tint is due to the cameras interpretation/white balance.

#blacksilicon #photonisxd4 #sionyxopsin