NGC281: Pacman Nebula in Cassiopeia
NGC281: Pacman Nebula in Cassiopeia |
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NGC 281 |
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Object Data |
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| Object type: | Emission Nebula | ||
| Size: | 20 x 30 arcmin | ||
| Magnitude: | 7.4 | ||
| Constellation: | Cassiopeia | ||
| Distance: | 9,459 light years | ||
Notes: |
This bright emission nebula in northern
Cassiopeia contains the open cluster IC1590 and several Bok globules |
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Exposure Data |
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| 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 | ||
| Notes: | 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 |
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