Venus IR & UV

Venus cloud cover in UV (365nm) and IR (>685nm)
Colors are false-color;

Date: 21.05.23
Time: UT +3; 18:09-18:17 (IR); 18:27-18:35 (UV)
Location: Saint Petersburg, 10th-floor balcony

Characteristics:
Apparent diameter: 20.35"
Magnitude: -4.28
Altitude of Venus above horizon: 30°
Azimuth: 268°
Illuminated: 57.1% of Venus' visible surface
Distance from Earth to Venus: 0.82 AU (122.689 million km)
Elongation: 44° 48' 28.5"

Equipment:
Telescope: SW 200/1000 & HEQ5 Pro
Camera: ZWO ASI462MM
Filters: ZWB2+BG39 (UV Filter), PlayerOne IR685 Pass
Atmospheric dispersion corrector: ZWO ADC
Barlow lens: Svbony 3x

Infrared (IR): Video: 8 minutes, 100,000 frames – stacked 5,000 frames
Ultraviolet (UV): Video: 8 minutes, 20,000 frames – stacked 15,000 frames

Software: FireCapture (Gain – IR-30 (5%) / UV – 350 (58%), Exposure: IR – 5.000ms / UV – 25.00ms, FPS: IR – 200 / UV – 39, Histogram: IR – 80% / UV – 53%, Resolution: 600x600) / AutoStakkert3 / Registax6 / Photoshop CC 2019
Resize: 200%

RGB layout:
R: IR;
G: IR + UV;
B: UV;