Orion's Belt or the Belt of Orion, also known as the Three Kings or Three Sisters, is an asterism in the constellation Orion. It consists of the three bright stars Alnitak, Alnilam and Mintaka. The image includes the Flame Nebula and Horsehead Nebula (lower left) and the Orion Sword (right).
Image Details
📷 Exposure (one shot color camera)
81 x 120s
ISO 400

🔭 Equipment
Refractor WO RedCat, f/4.9, ouverture 51mm, 250mm focal length
Mount RainbowAstro RST-150H
Sony Alpha 7 III
QHY mini guide scope
Orion StarShoot AutoGuider (guide camera)
Guiding camera: QHY 5-II

💻 Software: 
(Windows 10) Sequence Generator Pro, PHD2, SkySafari, ASCOM drivers
(Mac OSX) PixInsight

Barueri, São Paulo, Brazil
City sky light pollution, Class 8 of darkness in Bortle scale.
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