Decan Stars, Astrophotography by Sam Saeed

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M101

M101

Spiral Galaxy

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Subject Names:
M101, NGC 5457, Pinwheel Galaxy

Constellation: Ursa Major

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Click for Subject Information on Wikipedia
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Date:
May 2009

Location:
Anza, California

Optics:
Takahashi FSQ-106EDX with 1.6 extender. Focal Length 850mm @ f8

Mount:
AP900GTO

Camera:
QSI 583WSG

Filters:
Baader LRGB

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

Exposure:
L: 16 x 15 minutes, Bin 1
RGB: 8 x 10 minutes, Bin 2
Total Exposure = 480 minutes (8 hours)

Software:
Acquisition: MaxImDL 5, CCD Commander
Processing: PixInsight

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