Jim Burnell's CCD Images - M51 Some images are links, and clicking on them will display a high-resolution view.

 

Object: M51 (NGC5194, Arp 85)	The Whirlpool Galaxy - Spiral Galaxy	Const.: Canes Venatici
Camera: SXV-H9	Scope: Vixen VC200L @ f/6.4	Mount: Losmandy Titan
Filter(s): R:G:B	Exposure: 16x4m:16x4m:16x4m	Binned 2x2
The Whirlpool Galaxy M51 in Canes Venatici. This image consists of stacks of 16 four minute images taken through red, green and blue filters, for a total exposure time of over 3 hours. The images were acquired using an SXV-H9 CCD camera through a Vixen VC200L 8" f/9 Cassegrain equipped with an f/6.4 focal reducer. The images were calibrated, defect-corrected, stacked and auto color-balanced using AIP4Win V2.

 

Object: M51 (NGC5194, Arp 85)	The Whirlpool Galaxy - Spiral Galaxy	Const.: Canes Venatici
Camera: QSI532	Scope: Tele Vue NP127is	Mount: Losmandy Titan
Filter(s): IR block	Exposure: 6x8m	Blank
The galaxy M51 in Canes Venatici. A stack of 6 eight minute exposures using a QSI532 CCD camera on a Tele Vue NP127is 5" f/5.2 refractor. The image was calibrated, stacked, and a Sigmoid Scaling was performed using AIP4WINV2. This image has been cropped from its original size of 2158x1454.

 

Object: M51 (NGC5194, Arp 85)	The Whirlpool Galaxy - Spiral Galaxy	Const.: Canes Venatici
Camera: SXV-H9	Scope: Vixen R200SS	Mount: Losmandy Titan
Filter(s): IR block	Exposure: 8x8m	Binned 2x2
The galaxy M51 in Canes Venatici. A stack of 8 eight minute exposures using an SXV-H9 CCD camera on a Vixen R200SS 8" f/4 Newtonian with a Paracorr. The image was calibrated, defect-corrected and stacked, and a gammalog stretch was performed using AIP4WINV2. This image has been resampled down from its original size of 1374x1033.

 

Object: M51 (NGC5194, Arp 85)	The Whirlpool Galaxy - Spiral Galaxy	Const.: Canes Venatici
Camera: HX-916	Scope: AP130	Mount: AP1200GTO
Filter(s): IR block	Exposure: 16x60s	blank
The Whirlpool Galaxy M51 in Canes Venatici. A stack of 16 one minute exposures using a 5" f/6 refractor. Image processing performed using AIP4WIN. This image has been resampled down from its original size of 1300x1030.

 

Object: M51 (NGC5194, Arp 85)	The Whirlpool Galaxy - Spiral Galaxy	Const.: Canes Venatici
Camera: HX-916	Scope: C14	Mount: AP1200GTO
Filter(s): IR block	Exposure: 32x30s	Binned 2x2
This image is a larger scale view of the core of M51. It is a stack of 32 thirty second exposures through a 14" f/11 SCT. The camera was used in its 2x2 binning mode, yielding 0.71 arc-sec/pixel, slightly oversampling the image. The images were stacked and 10 iterations of a slow R-L deconvolution were performed using AIP4WIN.