Sh2-171

Emission Nebula

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Subject Names:
Sh2-171, NGC 7822

Constellation: Cepheus

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Click for Subject Information on Wikipedia
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Date:
October 2011

Location:
Anza, California

Optics:
Borg 71FL with 0.7 reducer. Focal Length 284mm @ f4

Mount:
AP900GTO

Camera:
QSI 683WS

Filters:
Astrodon Narrowband Filters: Ha (3nm), Oiii (3nm), Sii (5nm)

Guiding:
SBIG ST-402ME on Borg 50. Focal Length 250mm

Exposure:
Ha (3nm): 42 x 15 minutes, Bin 1
Oiii (3nm): 24 x 15 minutes, Bin 1
Sii (5nm): 16 x 15 minutes, Bin 1
Total Exposure = 1230 minutes (20 hours : 30 minutes)

Software:
Acquisition: MaxImDL 5, CCD Commander
Processing: Photoshop CS6

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NGC7822Sharpless 171Emission NebulaHubble Palette

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