NGC281: Pacman Nebula in Cassiopeia


NGC 281

Object Data

Object type: Emission Nebula
Size: 20 x 30 arcmin
Magnitude: 7.4
Constellation: Cassiopeia
Distance: 9,459  light years

This bright emission nebula in northern Cassiopeia contains the open cluster IC1590 and several Bok globules

Exposure Data

Date: 01/19/22
Location: Backyard Observatory, Carlsbad, CA
Telescope: Takahashi FSQ106 refractor; 530mm fl at f/5
Camera: QSI 683 wg with Astronomik Ha and SII (6nm) and Antila OIII (3nm) filters
Mount: Losmandy G-11 Gemini I
Exposure time: 3.25 hrs of Ha, 1.5 hrs SII and 2.75 hrs of OIII (15-min subs)
Exposure time total: 7.5 hrs
Imaged during a 3rd Q moon.  Average seeing, significant humidity. Color mapped using the Hubble palette, with Ha assigned to green, SII to red, and OIII to blue.  Cropped from original.

FOV = 67 x 67 arcmin, Image Scale: 2.10 "/pixel


Back to 2022 List