Venus in green (500nm) and ultraviolet (365nm) wavelengths.

Venus in green (500nm) and ultraviolet (365nm) wavelengths.
Colors are representative.

**Capture Date:** 07.03.21
**Time:** UT +3; 07:09 (G) – 07:31 (UV)
**Location:** Mikhaylovsk city, 5th-floor balcony.

**Characteristics:**
Apparent diameter: 00' 29.01"
Magnitude: -4.67
Altitude above horizon: 21–23°
Azimuth: 145–151°
Illuminated: 42.0% of Venus' visible disk
Distance from Earth to Venus: 0.575 AU (86.081 million km)
Elongation: 45° 52' 51.6"

**Equipment:**
Telescope: SW 150/750 EQ5 OnStep
Camera: ZWO ASI178MM
Filters: ZWO G (Green filter) and a stack of ZWB2 + SZS-22 (for ultraviolet imaging)
Atmospheric dispersion corrector: ZWO ADC
Barlow lens: Svbony 3x

**Capture details:**
Green channel (G): 5-minute video, 43,000 frames – stacked 1,000 frames
Ultraviolet (UV): 17-minute video, 50,000 frames – stacked 10,000 frames
Software: FireCapture (Gain – G: 60 (11%) / UV: 350 (68%); Exposure – G: 7.000ms / UV: 20.00ms; FPS – G: 142 / UV: 50; Resolution: 600×600) / AutoStakkert!3 / Registax 6 / Neat Image / Photoshop CC 2015

**RGB mapping:**
R: G
G: G + UV
B: UV

**Video link:** https://www.youtube.com/watch?v=2duru2Xs_rQ