NGC281, IC11 or Sh2-184 is the bright emission nebula in the northn constellation of Cassiopeia and is part of the Milky Way's Perseus Spiral Arm. Colloquially, NGC 281 is also known as the Pacman Nebula for its resemblance to the video game character.
Image Detail
🎯 NGC 281

📷 Exposure: (Ha, OIII, SII)
Hα, bin 1, 100x 300s
OIII, bin 1, 95 x 300s
SII, bin 1, 80x 300s

🔭 Equipment
Mount: RainbowAstro RST-135E 
Telescope: Refractor Borg 107FL f/3.9 Astrograph, aperture 107mm, 417mm focal length
Camera: QSI 6120 wsg (Sony ICX834 sensor) 
Filters: 8-positions filter wheel integrated in camera
Guidescope: NA (off-axis auto guider)
Guiding camera: QHY 5-II

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

Bright suburban light pollution, Class 6 of darkness in Bortle scale.

📐 Astrometry
Center (RA, Dec): (13.268, 56.625)
Center (RA, hms): 00h 53m 04.304s
Center (Dec, dms): +56° 37' 31.440"
Size: 1.76 x 1.18 deg
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