Image of the day

Captured by
Douglas Rollain

M20 Trifid Nebula in LRGBHa

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M33 in H alpha image

M33 in H alpha


Acquisition Details
  • Number of frames:
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  • CMI/CMII/CMIII:
Description

M33 taken in H alpha with TMB8 f/9, STL6303 camera, Barr Associates 4nm Ha filter. Nine hours of exposure (30 minute subframes), Maxims DDP stretch and unsharp mask.