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jshuder | all galleries >> Astrophotography >> Q285M CCD > Parsamian 21
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Parsamian 21

Parsamian 21 (Par 21, also referenced as Parsamyan 21), cometary reflection nebula in Aquila.
The nebula is associated with the bright star at its apex and is seen against a small dark cloud.
Taken Aug 19 through Aug 23, 2011. Imaged with CCD Labís Q285M camera and a Celestron
EdgeHD 9.25 at f10, on a Losmandy G11/Gemini mount. The final image was upsampled 1.3
times and cropped. All subframes were 10 minutes binned 1x1 resulting in the following
total exposures R:G:B (min) = 130 : 130 : 130. Captured with Nebulosity, calibrated, sigma
combined in Iris with other processing using PixInsight LE and Photoshop CS. North is up.


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