M57 - Ring Nebula

Posted: Sep 8th, 2022

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Technical Info

Telescope/Lens: Sky-Watcher 150/750

Camera: SVBONY SV305M

Mount: SW EQ5 OnStep

Software: FireCapture, DeepSkyStacker, Pixinsight, Ps

Exposure:

450 x 1" ISO/Gain: 300 - ZWO L

450 x 1" ISO/Gain: 300 - ZWO R

White, Bortle 8/9 zone:

Sankt-Peterburg, Russia

Sep 6th, 2022

15 m

1637

7

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Resolution: 1687x948 px

Scale: 5652 KB

148

The Ring Nebula (M57) in artificial colors!

Altitude above horizon: 45-40°
Apparent diameter: 0°3'48"x0°2'24"
Apparent magnitude: 8.8

Telescope: SW 150/750 on EQ5 OnStep mod
Camera: SVBONY 305M (IMX 290)
Filters: ZWO LR

Date: 07.09.2022
Location: Saint Petersburg
Light pollution zone: White

Software: FireCapture, DeepSkyStacker, Pixinsight, Ps
Frame parameters and RGB composition:
1.5k frames captured per filter, 450 frames stacked x 1" ISO/Gain: 300
R: R
G: R+L (in a 70/30 ratio)
B: L

Total exposure: 15 minutes

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