Orion Nebula in Narrowband

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sk_alex
Posts: 3
Joined: Sat Dec 16, 2017 10:12 pm

Orion Nebula in Narrowband

Post by sk_alex » Tue Dec 25, 2018 2:57 pm

Object: Orion Nebula (Messier 42; NGC 1976 and NGC 1977) - emission nebula in Constellation Orion
Coordinates: RA 05h 35m 17.3s; Dec: -05o 23' 28"
Imaged in Skopje (41o 21' N; 21o 26' E) at Dec 11 and 12, 2018; Bortle 7.1 sky brightness; full moon
Telescope: Meade 70 mm quadruplet APO Astrograph (f/5) and Meade LX85 German equatorial mount
Imaging camera: ZWO ASI1600MM Pro cooled at -20 oC; Guiding and sequencing: ZWO ASIAIR
Filter wheel: ZWO EFW 8x1.25". Narrowband filters: ZWO (7 nm) - SII, Ha and OIII
Guiding: ZWO Off-axis guider; ZWO ASI174MM camera; PhD2 2.6.5 software
Frames: 300 sec each filter: 12 x Ha, 8 x SII, 8 x OIII; total processed exposure time = 180 min
Image processing software: PixInsight 1.8. Palette: OSH
Astrometric analysis: Astrometry.net job 3098270 on December 15, 2018
Imaging and processing: Sasho Panov, 2018
Attachments
M42_a.jpg

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