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  M101.jpg - M101 Click here to enlarge Description: It is a nearby spiral galaxy located in Ursa Major. It has several extremely luminous star-forming (H II) regions in the outer spiral arms. Measurement with Cepheid variables has determined its distance at about 27 light years from us. Although it is a very bright deep sky object, as it spans over 22'' it looks as a very dim object through small telescopes. On photographs it exhibit a prominent unsimmetry. Lens: Vixen VC200L at f/6.4 F/stop: f6.4 Exposure: 18 x 600s L, 5x300s each channel RGB, all in binning 1x1 Mount: Vixen Sphinx SXD Camera: Artemis 4021 Filters: LRGB Astronomik filter Autoguide: WO Zenithstar 66 f/5.9 throught Meade DSI and PhD Guiding software Location: Montseny, Barcelona Date: April 3rd and 4th, 2008 Processing: Aligned, calibrated and stacked with DSS, and Postprocessed with PixInsight 1.1  
M106
M51
M81
m33(courtesy FNA)
M31 (new version)

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M101

Click here to enlarge

Description: It is a nearby spiral galaxy located in Ursa Major. It has several extremely luminous star-forming (H II) regions in the outer spiral arms. Measurement with Cepheid variables has determined its distance at about 27 light years from us.

Although it is a very bright deep sky object, as it spans over 22'' it looks as a very dim object through small telescopes.

On photographs it exhibit a prominent unsimmetry.

Lens: Vixen VC200L at f/6.4

F/stop: f6.4

Exposure: 18 x 600s L, 5x300s each channel RGB, all in binning 1x1

Mount: Vixen Sphinx SXD

Camera: Artemis 4021

Filters: LRGB Astronomik filter

Autoguide: WO Zenithstar 66 f/5.9 throught Meade DSI and PhD Guiding software

Location: Montseny, Barcelona

Date: April 3rd and 4th, 2008

Processing: Aligned, calibrated and stacked with DSS, and Postprocessed with PixInsight 1.1

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