M81, M82 and Supernova 2014J (2014/01/24)

m81_annotate

300s x 12 subs, dark/bias/flat calibrated

Data: 01/24/2014

Location: MonteBello OSP, CA

Condition: Clear

Imaging: AT111 EDT/CGEM/STF8300C

Guiding: AT72ED/Orion SSAG/PHD

Software: Pixinsigh

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NGC2244 – Rosette Nebula (2014/01/04)

ngc2244

Data: 2014/01/04
Location: Windy Hill OSP, CA
Condition: Clear, windy (gust wind 20-30 miles)
Exposure: 900s x 8 subs
Imaging: AT111 EDT/CGEM/STF8300C
Guding: AT72ED/Orion SSAG/PHD
Software: Pixinsight, not dark/flat/bias calibrated.

ngc2244_w_dark

Updated on 03/27/2014: This is re-processed image, with dark/flat/bia calibration and masked stretch (instead of normal histogram stretch).