Comet Nevski (C/2013 V3)

2013v3_nevski_2013_12_09

Comet Nevski (C/2013 V3)
12/09/2013

60″ x 20 subs at ISO 1600, taken by AT72mmED + Canon T3i on CGEM mount.

Location: Turnout on SR130 to Mount Hamilton, CA

Condition: Excellent transparency, excellent seeing

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Comet Jacques (C/2014 E2)

08/01/2014

2014E2_20140801

Comet Jacques (C/2014 E2)
08/01/2014

Data: 08/01/2014
Location: Henry Coe State Park, Morgan Hill, CA
Condition: excellent transparency, excellent seeing
Imaging: AT111 EDT/AT2FF/CGEM/STF8300C
Guiding: AT72ED/Orion SSAG/PHD
Exposure: 60″ x 11, dark/bias/flat calibrated
Software: Pixinsight

08/22/2014

2014E2_20140822

Comet Jacques (C/2014 E2)
08/22/2014

I was able to extract the background stars for the 1st time. I tried a few time before and it failed every single time, I think the reason why it was successful this time because:

  • Field is flattened
  • Properly dark/flat/bias calibrated
  • Cooled CCD which has very little background noise

Data: 08/22/2014
Location: Henry Coe State Park, Morgan Hill, CA
Condition: excellent transparency, excellent seeing
Imaging: AT111 EDT/AT2FF/CGEM/STF8300C
Guiding: AT72ED/Orion SSAG/PHD
Exposure: 120″x25, dark/bias/flat calibrated
Software: Pixinsight