NGC 300, a galaxy in Sculptor

Background is sprinkled with galaxies, check the annotated version bellow.

For a high resolution version click here

For an annotated version click here

IMAGING DATA
Optical train: AP130 EDF GT + AP flattener
Mount: Losmandy G11
Guiding: SMC Takumar 67 f/4 200mm guidescope + Lifecam Cinema + PHD
Camera: Canon 1000D (modded and peltier cooled)
Frames: 31 lights 5 min. ea. @iso1600, calibrated with 200 bias, 20 darks and 30 flats.
Processing: PI 1.8 + Photoshop + Canon DPP
Date: 2013-08-30
Place: San Antonio de Areco, Buenos Aires, Argentina
Seeing & transparency: very good/very good (rural skies)

For detailed information on these objects, click
here

Comments

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  • Michel on 2013-Sep-03 22:41:38 Michel said

    Very nice job ! Why so much bias ?
    Thanks,

    Clear skies.
    Michel

  • Ignacio Diaz Bobillo on 2013-Sep-04 04:14:56 Ignacio Diaz Bobillo said

    Thanks, Michel. Bias frames are easy to take, you build a master only once, and it is key to have a good separation of read noise and dark current to properly scale dark calibration if there is a mismatch in temperature.