Hemisphere:  Northern  ·  Contains:  M 101  ·  NGC 5422  ·  NGC 5457  ·  NGC 5473  ·  NGC 5474  ·  NGC 5485
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M101, 



    
        

            ScottyP5947
M101
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M101

Technical card

Frames: 10x420"

Integration: 1.2 hours


Basic astrometry details

Astrometry.net job: 619319

RA center: 14h 3' 51"

DEC center: +54° 17' 34"

Pixel scale: 2.197 arcsec/pixel

Orientation: 88.465 degrees

Field radius: 1.452 degrees


Resolution: 3978x2610

Description

M101 The Pinwheel Galaxy It's 10x420 seconds @ ISO 800. 14x300 seconds @ ISO 800. Matching darks, added ~20 bias frames. No flats. Taken with my ED80, .8x focal reducer, orion SSAG, AVX mount. Able to image so long thanks to my Thousand Oaks dew control system smile emoticon Processed in PS CS2 and stacked in DSS. T3 modifed camera. I think I still need to work on my processing technique.

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ScottyP5947
ScottyP5947
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M101, 



    
        

            ScottyP5947