NGC281

Pacman Nebula in Emission-Line

NGC281

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Object Info

Type

Nebula

Constellation

Cassiopeia

Distance

10,000 ly

Capture Details

Date

October 5, 2013

Location

Carlsbad, CA

Exposure

SII 10x20, Ha 9x20, OIII 10x20 (bin 2x2) as RGB

Notes

Ha was collected on a different night.

Equipment

Optics

DSI RC10C Corrected RC Astrograph

Focal Length

1867mm @f/7.3

Mount

Astro-Physics 900GTO

Camera

QSI 683wsg-8

Focuser

Built-in Secondary Focuser

Filters

Astrodon 3nm SII, NII, Ha

Software

MaxIm DL, CCDStack, Photoshop